Updated on 2026/06/18

写真b

 
TAKADA,HIDESHIGE
 
*Items subject to periodic update by Rikkyo University (The rest are reprinted from information registered on researchmap.)
Affiliation*
College of Environmental Studies Department of Environmental Studies
Title*
Specially Appointed Professor
Degree
理学修士 ( 東京都立大学 ) / Ph.D ( Tokyo Metropolitan University )
Campus Career*
  • 4 2026 - Present 
    College of Environmental Studies   Department of Environmental Studies   Specially Appointed Professor
 

Research Areas

  • Environmental Science/Agriculture Science / Environmental effects of chemicals

Research History

  • 5 2026 - Present 
    Tokyo University of Agriculture and Technology   Faculty of Agriculture   Visiting Professor

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  • 5 2026 - Present 
    Rikkyo University   College of Environmental Studies   Specially Appointed Professor

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  • 11 2007 
    -   教授

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  • 7 1997 
    -   東京農工大学 助教授 農学部

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  • 9 1990 - 5 1991 
    -   文部省在外研究員(アメリカ)

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  • 4 1986 
    -   東京農工大学農学部環境保護学科助手に採用

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Education

  • - 1986 
    Tokyo Metropolitan University   Graduate School, Division of Natural Science   化学専攻

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  • - 1984 
    Tokyo Metropolitan University   Graduate School, Division of Natural Science   化学専攻

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  • - 1982 
    Tokyo Metropolitan University   Faculty of Science   化学科

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Committee Memberships

  •  
    日本地球化学会   学会誌編集委員

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    Committee type:Academic society

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  •  
    日本海洋学会   環境問題委員会委員

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    Committee type:Academic society

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  •  
    日本水環境学会   水環境と合成洗剤委員会委員長

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    Committee type:Academic society

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Awards

  • 8 2019  
    日本有機地球化学会  学会賞 
     
    高田 秀重

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  • 6 2017  
    日本環境化学会  功績賞 
     
    高田 秀重

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  • 6 2016  
    日本水環境学会学術賞 
     
    Hideshige Takada

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  • 7 2015  
    内閣総理大臣  海洋立国推進者功績表彰  マイクロプラスチックによる海洋汚染の研究

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  • 6 2008  
    日本環境化学会 学術賞 

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  • 6 2005  
    日本水環境学会 論文賞 

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  • 1995  
    日本水環境学会論文奨励賞 

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  • 1993  
    日本海洋学会岡田賞 

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Papers

  • Accumulation of persistent organic pollutants and benzotriazole UV stabilizers in the preen gland oil of Tristram's storm-petrel (Hydrobates tristrami) Peer-reviewed

    Taiki Terajima, Yutaka Yamamoto, Yoko Teshima, Hironobu Tajiri, Kentaro Nagaoka, Kaoruko Mizukawa, Hideshige Takada

    Marine Pollution Bulletin218   118213 - 118213   9 2025

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.marpolbul.2025.118213

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  • Correspondence on “The Stockholm Convention at a Crossroads: Questionable Nominations and Inadequate Compliance Threaten Its Acceptance and Utility”

    Martin Scheringer, Narain Ashta, Miriam L. Diamond, Juliane Glüge, Alexandra Harrington, Matthew MacLeod, Gabriel Sigmund, Noriyuki Suzuki, Hideshige Takada, Zhanyun Wang

    Environmental Science & Technology   29 7 2025

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.est.5c05961

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  • The variation in the amount of black carbon particles deposited on leaves at different positions in the canopy of mature Cornus florida and related factors Peer-reviewed

    Kei Takahashi, Akari Ohta, Hiroyuki Sase, Naoto Murao, Masahiro Yamaguchi, Hisashi Murakami, Satoshi Nakaba, Kaoruko Mizukawa, Hideshige Takada, Makoto Watanabe, Takeshi Izuta

    Environmental Science and Pollution Research32 ( 25 ) 15388 - 15402   10 6 2025

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    Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    Abstract

    In urban areas, black carbon (BC) particles with an aerodynamic diameter of 2.5 µm or less (PM<sub>2.5</sub>) have adverse effects on human health. Urban greening is considered a potential solution to mitigate air pollution caused by BC particles, because atmospheric BC particles can be deposited and retained on the leaves of urban greening trees, resulting in a reduction in the atmospheric concentration of BC particles around the trees. However, there is no information on the variation in the amount of BC particles deposited on leaves at different positions in the canopy of mature urban greening trees throughout a year, its related factors, and the amount of BC particles on the entire canopy of a mature tree. The objective of this study was to investigate the amount of BC particles deposited on the leaves of mature trees of Cornus florida L. at different positions in the canopy and its related factors. The results indicated that there were significant differences in the amount of BC particles among leaf positions in June and July 2020. In and after July, a positive correlation was observed between the amount of BC particles deposited on the leaves and leaf surface traits, such as the amount of epicuticular wax. Consequently, the capacity to remove atmospheric BC particles varies with leaf position in the canopy of mature urban greening trees, primarily attributable to the variations in leaf surface traits. In addition, when the variation in the amount of BC particles deposited on leaves at different leaf positions in the canopy does not take into account, the total amount of BC particles in the entire canopy of a mature C. florida tree is 0.7–33% higher than the present assessment method, which takes this variation into account. This difference should be considered when assessing the overall BC removal ability of the entire canopy in mature urban greening trees.

    DOI: 10.1007/s11356-025-36597-9

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    Other Link: https://link.springer.com/article/10.1007/s11356-025-36597-9/fulltext.html

  • Effects of microplastics on seabird chicks: an experiment using pellets with and without chemical additives

    Koki Shigeishi, Rei Yamashita, Kosuke Tanaka, Mami Kazama, Naya Sena, Hideshige Takada, Yoshinori Ikenaka, Mayumi Ishizuka, Shiho Koyama, Ken Yoda, Yutaka Watanuki

    ORNITHOLOGICAL SCIENCE24 ( 1 ) 129 - 145   1 2025

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2326/osj.24.129

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  • Wastewater contamination of deep groundwater in Sudan, an arid developing country: Application of artificial sweeteners and antibiotics as molecular markers Peer-reviewed

    Tatsuya SUMIDA, Hideshige TAKADA, Ayaka TAKEI, Hisham Elamir YOUSIF, Mohamed Abdelrhman ELFDOL Yousif, Kenji YOSHIMATSU, Tatsuya KOIKE, Saya ISOGAI, Mona ALIDOUST, Kaoruko MIZUKAWA, Mitsunori TARAO, Charita S. KWAN, John OFOSU-ANIM, Edward Benjamin SABI, Siaw ONWONA-AGYEMAN, Oliver V. WASONGA, Antonio Manuel dos SANTOS JUNIOR, Nguyen Van CONG, Seyed Hossein HASHEMI

    Environmental Monitoring and Contaminants Research   2025

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)  

    DOI: 10.5985/emcr.20240052

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  • Assessment of trace element contamination derived from coastal plastic debris using gastropods, bivalves, and decapod crustaceans on Zamami-jima Island, the Ryukyu Islands: Spatial, temporal, and species-specific variation Peer-reviewed

    Shohei KATO, Yoshihisa FUJITA, Kaoruko MIZUKAWA, Hideshige TAKADA, Daisuke NOGAMI, Yuki OYA, Madoka OHJI, Izumi WATANABE

    Environmental Monitoring and Contaminants Research5   137 - 156   2025

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    Publishing type:Research paper (scientific journal)   Publisher:Japan Society for Environmental Chemistry  

    DOI: 10.5985/emcr.20250016

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  • Benzotriazole UV-stabilizers in beached plastic resin pellets collected across the world including remote islands: Evidence of plastic-mediated long-range environmental transport (LRET) of additives Peer-reviewed

    Lisa MATSUNAGA, Hideshige TAKADA, Fumiki SAKANE, Natsuki HIRAI, Mona ALIDOUST, Bee Geok YEO, Kaoruko MIZUKAWA, Kosuke TANAKA, Lailah Gifty AKITA, Hrissi KARAPANAGIOTI, Cecilia ERIKSSON, Harry BURTON

    Environmental Monitoring and Contaminants Research5   26 - 34   2025

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Japan Society for Environmental Chemistry  

    DOI: 10.5985/emcr.20240027

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  • Microplastics and plastic-associated chemicals in the important green turtle nesting beaches in the Northwest Pacific Peer-reviewed

    Shohei KOBAYASHI, Hideyuki TANAKA, Satomi KONDO, Hideshige TAKADA, Kaoruko MIZUKAWA

    Environmental Monitoring and Contaminants Research5   40 - 46   2025

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    Publishing type:Research paper (scientific journal)   Publisher:Japan Society for Environmental Chemistry  

    DOI: 10.5985/emcr.20240003

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  • SOURCE APPORTIONMENT OF ATMOSPHERIC AND SEDIMENTARY PAHS FROM KOLKATA, INDIA USING COMPOUND-CLASS-SPECIFIC RADIOCARBON ANALYSIS (CCSRA) Peer-reviewed

    Hidetoshi Kumata, Masao Uchida, Mahua Saha, Shoichi Saitoh, Kanako Mantoku, Toshiyuki Kobayashi, Tomoaki Okuda, Fumiyuki Nakajima, Shiro Hatakeyama, Yasuyuki Shibata, Hideshige Takada

    RADIOCARBON66 ( 5 ) 892 - 903   10 2024

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1017/RDC.2024.66

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  • Dietary exposure experiments on the migration of chemical pollutants from microplastics to bivalves Peer-reviewed

    Taichi Takano, Rei Sakurai, Mone Ota, Masahiro Nakaoka, Azusa Kinjo, Koji Inoue, Hideshige Takada, Kaoruko Mizukawa

    Marine Pollution Bulletin206   9 2024

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.marpolbul.2024.116740

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  • Detection of benzotriazole-type ultraviolet stabilizers in sea turtles breeding in the Northwest Pacific Ocean Peer-reviewed

    Takuya Fukuoka, Kaoruko Mizukawa, Satomi Kondo, Chiyo Kitayama, Shohei Kobayashi, Gen Watanabe, Hideshige Takada

    Marine Pollution Bulletin206   116753 - 116753   9 2024

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.marpolbul.2024.116753

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  • Methanotrophic Inoculation Reduces Methane Emissions from Rice Cultivation Supplied with Pig-Livestock Biogas Digestive Effluent Peer-reviewed

    Huynh Van Thao, Mitsunori Tarao, Hideshige Takada, Tomoyasu Nishizawa, Tran Sy Nam, Nguyen Van Cong, Do Thi Xuan

    Agronomy14 ( 6 ) 1140 - 1140   27 5 2024

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:MDPI AG  

    Biogas digestive effluent (BDE) is a nutrient-enriched source that can be utilized as an organic fertilizer for rice cultivation without synthetic fertilizer (SF) application. However, a primary concern is the stimulation of methane (CH4) emissions due to the enrichment of the labile organic carbon, a favorite substrate of methanogenic archaea. Methanotrophs potentially reduce greenhouse gas (GHG) emissions from rice fields owing to metabolizing CH4 as a carbon source and energy. We therefore examined the effect of the application of methanotroph-inoculated BDE to the rice cultivated paddy soil on GHG emissions and rice productivity under a pot experiment. Methanotrophs (Methylosinus sp. and Methylocystis sp.), isolated from the Vietnamese Mekong Delta’s rice fields, were separately inoculated to the heated BDE, followed by a 5-day preincubation. Methanotroph-inoculated BDE was supplied to rice cultivation to substitute SF at 50% or 100% in terms of nitrogen amount. The results showed that the total CH4 emissions increased ~34% with the application of BDE. CH4 emissions were significantly reduced by ~17–21% and ~28–44% under the application of methanotroph-inoculated BDE at 100% and 50%, respectively. The reduction in CH4 was commensurate with the augmentation of pmoA transcript copy number under methanotroph-inoculated BDE. In addition, methanotroph-inoculated BDE application did not increase nitrous oxide (N2O) emissions and adversely affect rice growth and grain productivity. This study highlighted the BDE-recirculated feasibility for a lower CH4 emission rice production based on methanotrophs where high CH4-emitting fields were confirmed.

    DOI: 10.3390/agronomy14061140

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  • A Unique Monitoring Method for Fecal and Sewage-Derived Chemical Pollution Utilizing International Pellet Watch Approach Peer-reviewed

    Mona Alidoust, Yu Saito, Hideshige Takada, Kaoruko Mizukawa, Therese Karlsson, Sara Brosché, Bjorn Beeler, Hrissi K. Karapanagioti

    Environmental Science and Technology58 ( 10 ) 4761 - 4771   12 3 2024

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.est.3c08847

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  • Overview of PCB Pollution in Africa: E-Waste and Insights from International Pellet Watch Peer-reviewed

    Mona ALIDOUST, Hideshige TAKADA, Kaoruko MIZUKAWA

    Environmental Monitoring and Contaminants Research   2024

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.5985/emcr.20240009

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  • Towards a North Pacific Ocean Long-term Monitoring Program for Plastic Pollution: a Review of Global Occurrence of Microplastics in the Sea and Deep-sea Sediments

    Shuhei Tanaka, Satoru Yukioka, Wenjiao Li, Sachithra Imbulana, Ibukun Oluwoye, Wonjoon Shim, Chengjun Sun, Kazuhiko Mochida, Hideshige Takada

    Journal of Water and Environment Technology22 ( 5 ) 205 - 219   2024

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    Publishing type:Research paper (scientific journal)   Publisher:Japan Society on Water Environment  

    DOI: 10.2965/jwet.23-137

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  • Methanotrophic Communities and Cultivation of Methanotrophs from Rice Paddy Fields Fertilized with Pig-livestock Biogas Digestive Effluent and Synthetic Fertilizer in the Vietnamese Mekong Delta

    Huynh Van Thao, Mitsunori Tarao, Hideshige Takada, Tomoyasu Nishizawa, Tran Sy Nam, Nguyen Van Cong, Do Thi Xuan

    Microbes and Environments39 ( 4 ) n/a - n/a   2024

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    Publishing type:Research paper (scientific journal)   Publisher:Japanese Society of Microbial Ecology  

    DOI: 10.1264/jsme2.me24021

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  • Artificial sweeteners in surface waters from Asian, African and Middle Eastern countries: Utility as molecular markers and water pollution status in 2010–2019 Peer-reviewed

    Tatsuya SUMIDA, Hideshige TAKADA, Ayaka TAKEI, Kenji YOSHIMATSU, Shota IMAI, Tatsuya KOIKE, Marin BANNO, Miharu FUJISAWA, Saya ISOGAI, Mona ALIDOUST, Bee Geok YEO, Kaoruko MIZUKAWA, Mitsunori TARAO, Satoru SUZUKI, Charita S. KWAN, Rinawati, John OFOSU-ANIM, Edward Benjamin SABI, Siaw ONWONA-AGYEMAN, Oliver V. WASONGA, Steven WEERTS, Brent NEWMAN, Antonio Manuel dos Santos JUNIOR, Nop SUKPANYATHAM, Nguyen Van CONG, Chui Wei BONG, Mohamad Pauzi ZAKARIA, Mahua SAHA, Rakesh Payipattu SUDHAKARAN, Seyed Hossein HASHEMI, Tomoaki SHINODA, Hidemitsu KUROKI

    Environmental Monitoring and Contaminants Research4   1 - 18   2024

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.5985/emcr.20230006

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  • Microplastics in Global Marine Waters and Biota: Effectiveness of Potential Bioindicators in Mirroring Local Pollution Levels Peer-reviewed

    Bee Geok YEO, Kaoruko MIZUKAWA, Hideshige TAKADA

    Environmental Monitoring and Contaminants Research3   43 - 68   12 2023

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    Publishing type:Research paper (scientific journal)   Publisher:Japan Society for Environmental Chemistry  

    DOI: 10.5985/emcr.20230005

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  • Relationship between the amount of black carbon particles deposited on the leaf surface and leaf surface traits in nine urban greening tree species Peer-reviewed

    Akari Ohta, Kei Takahashi, Hiroyuki Sase, Naoto Murao, Keiichi Takada, Masahiro Yamaguchi, Hisashi Murakami, Satoshi Nakaba, Makoto Watanabe, Kaoruko Mizukawa, Hideshige Takada, Takeshi Izuta

    INTERNATIONAL JOURNAL OF PHYTOREMEDIATION25 ( 10 ) 1384 - 1396   8 2023

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1080/15226514.2023.2204148

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  • 途上国で「今」起こっている環境汚染とその毒性影響 プラスチック摂食による海鳥への添加剤由来化学物質の移行と影響

    田中 厚資, 青木 真奈実, 池中 良徳, 中山 翔太, 綿貫 豊, 高田 秀重, 石塚 敏, 石塚 真由美

    The Journal of Toxicological Sciences48 ( Suppl. ) S59 - S59   6 2023

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    Language:Japanese   Publisher:(一社)日本毒性学会  

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  • Bioaccumulation and metabolism of polybrominated diphenyl ethers (PBDEs) in coenobitid hermit crabs from marine litter-polluted beaches in remote islands Peer-reviewed

    Nana Tanaka, Naohiko Takada, Mami Takahashi, Bee Geok Yeo, Yuki Oya, Izumi Watanabe, Yoshihisa Fujita, Hideshige Takada, Kaoruko Mizukawa

    Marine Pollution Bulletin190   114812 - 114812   5 2023

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.marpolbul.2023.114812

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  • The Minderoo-Monaco Commission on Plastics and Human Health. Peer-reviewed International journal

    Philip J Landrigan, Hervé Raps, Maureen Cropper, Caroline Bald, Manuel Brunner, Elvia Maya Canonizado, Dominic Charles, Thomas C Chiles, Mary J Donohue, Judith Enck, Patrick Fenichel, Lora E Fleming, Christine Ferrier-Pages, Richard Fordham, Aleksandra Gozt, Carly Griffin, Mark E Hahn, Budi Haryanto, Richard Hixson, Hannah Ianelli, Bryan D James, Pushpam Kumar, Amalia Laborde, Kara Lavender Law, Keith Martin, Jenna Mu, Yannick Mulders, Adetoun Mustapha, Jia Niu, Sabine Pahl, Yongjoon Park, Maria-Luiza Pedrotti, Jordan Avery Pitt, Mathuros Ruchirawat, Bhedita Jaya Seewoo, Margaret Spring, John J Stegeman, William Suk, Christos Symeonides, Hideshige Takada, Richard C Thompson, Andrea Vicini, Zhanyun Wang, Ella Whitman, David Wirth, Megan Wolff, Aroub K Yousuf, Sarah Dunlop

    Annals of global health89 ( 1 ) 23 - 23   2023

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.5334/aogh.4056

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  • The significance of trophic transfer of microplastics in the accumulation of plastic additives in fish: An experimental study using brominated flame retardants and UV stabilizers

    Takaaki Hasegawa, Kaoruko Mizukawa, Bee Geok Yeo, Tomonori Sekioka, Hideshige Takada, Masahiro Nakaoka

    Marine Pollution Bulletin185   114343 - 114343   12 2022

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.marpolbul.2022.114343

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  • Age-related accumulation of persistent organic chemicals in captive king penguins (Aptenodytes patagonicus)

    Taiki Terajima, Anzu Shibahara, Yoshiaki Nakano, Shohei Kobayashi, John R. Godwin, Kentaro Nagaoka, Gen Watanabe, Hideshige Takada, Kaoruko Mizukawa

    JOURNAL OF VETERINARY MEDICAL SCIENCE84 ( 11 ) 1551 - 1555   11 2022

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1292/jvms.22-0245

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  • Relationship between ocean area and incidence of anthropogenic debris ingested by longnose lancetfish (Alepisaurus ferox) Peer-reviewed

    Mao Kuroda, Keiichi Uchida, Toshihide Kitakado, Daisuke Shiode, Masao Nemoto, Yoshinori Miyamoto, Hideshige Takada, Rei Yamashita, Hiroaki Hamada, Ryuichi Hagita, Hiroki Joshima, Yuta Yamada

    Regional Studies in Marine Science55   102476 - 102476   9 2022

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.rsma.2022.102476

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  • Effects of benzotriazole UV stabilizers, UV-PS and UV-P, on the differentiation of splenic regulatory T cells via aryl hydrocarbon receptor. Peer-reviewed International journal

    Atsuhito Kubota, Masaru Terasaki, Yuuta Sakuragi, Ryuta Muromoto, Atsuko Ikeda-Araki, Hideshige Takada, Hiroyuki Kojima

    Ecotoxicology and environmental safety238   113549 - 113549   15 6 2022

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    Language:English   Publishing type:Research paper (scientific journal)  

    Benzotriazole UV stabilizers (BUVSs) are widely used as additives in various materials, including plastics, to prevent damage from UV-irradiation. However, despite the extensive usage of BUVSs, information on their toxicological properties is limited. In this study, we investigated the effect of BUVSs on the immune regulatory system via the aryl hydrocarbon receptor (AhR). A cell-based transactivation assay using DR-EcoScreen cells revealed that, among 13 BUVSs tested, UV-P, UV-PS, UV-9, and UV-090 activated AhR in a dose-dependent manner. In particular, the AhR agonistic activity of UV-PS was about 10-fold more potent than those of UV-P, UV-090, and UV-9, and UV-PS acted as a full agonist against AhR. In order to investigate the immune regulatory effects of these BUVSs, we orally treated C57BL/6 mice with UV-PS or UV-P (10, 30, and 100 mg/kg) and studied the differentiation of regulatory T cells (Tregs) in spleen cells. Flow-cytometry analysis revealed that the administration of UV-PS (30 and 100 mg/kg) or UV-P (100 mg/kg) significantly increased the population of CD4+-/CD25+-/Foxp3+ Tregs in the spleen. In addition, we found that the in vitro exposure of mouse splenocytes to UV-PS (10 and 30 μM) or UV-P (30 μM) as well as to TCDD (0.1 nM) significantly induced Tregs. Notably, the induction of Tregs was eliminated by co-treatment with an AhR antagonist, CH-223191, in each case. Taken together, these findings suggest that some BUVSs might induce Tregs through direct AhR activation and act as immunosuppressive modulators.

    DOI: 10.1016/j.ecoenv.2022.113549

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  • プラスチック製品中のフェノール系内分泌攪乱物質の溶出

    坂根 史紀, 水川 薫子, 窪田 篤人, 小島 弘幸, 高田 秀重

    環境化学物質3学会合同大会要旨集2022年   555 - 556   6 2022

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    Language:Japanese   Publisher:(一社)日本環境化学会・日本環境毒性学会・環境ホルモン学会  

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  • Macrolide resistance genes and mobile genetic elements in waterways from pig farms to the sea in Taiwan Peer-reviewed

    Satoru Suzuki, Aya Kadoya, Nagi Masuda, Yuta Sugimoto, Hideshige Takada, Kaoruko Mizukawa, Ayaka Takei, Hsin-Yiu Chou, Jer-Horng Wu

    Journal of Global Antimicrobial Resistance29   360 - 370   6 2022

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.jgar.2022.04.024

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  • レポーター遺伝子アッセイ法を用いた下水処理水及び河川水中の内分泌かく乱活性の測定

    窪田 篤人, 中田 典秀, 高田 秀重, 五味 茉尋, 寺崎 将, 小島 弘幸

    日本薬学会年会要旨集142年会   26C - pm20   3 2022

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    Language:Japanese   Publisher:(公社)日本薬学会  

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  • Covid-19-derived plastic debris contaminating marine ecosystem: Alert from a sea turtle Peer-reviewed

    Takuya Fukuoka, Fumiki Sakane, Chihiro Kinoshita, Katsufumi Sato, Kaoruko Mizukawa, Hideshige Takada

    Marine Pollution Bulletin175   113389 - 113389   2 2022

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.marpolbul.2022.113389

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  • Tetracycline Resistance and Prevalence of Tetracycline Resistance Genes in Bacteria from Marine Aquaculture Farms in Peninsular Malaysia

    Ee Lean Thiang, Choon Yip Stanley Chai, Choon Weng Lee, Hideshige Takada, Ai Jun Wang, Lay Ching Chai, Chui Wei Bong

    SAINS MALAYSIANA51 ( 2 ) 345 - 357   2 2022

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.17576/jsm-2022-5102-02

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  • Species-specific debromination of BDE99 in teleost fish: The relationship between debromination ability and bioaccumulation patterns of PBDEs Peer-reviewed

    Kazuya Yokota, Yuki Matsuzawa, Shinji Fukuda, Hideshige Takada, Kaoruko Mizukawa

    SCIENCE OF THE TOTAL ENVIRONMENT806   2 2022

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.scitotenv.2021.151265

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  • Distribution of trace element concentrations in invertebrate species collected from Tokyo Bay, Japan

    Yuki OYA, Hideshige TAKADA, Kaoruko MIZUKAWA, Madoka OHJI, Izumi WATANABE

    Environmental Monitoring and Contaminants Research2   67 - 87   2022

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    Publishing type:Research paper (scientific journal)   Publisher:Japan Society for Environmental Chemistry  

    DOI: 10.5985/emcr.20220007

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  • An Analysis of Major and Trace Element Pollution Caused by Plastic Litter Using &lt;i&gt;Atactodea striata&lt;/i&gt; (Gmelin, 1791) in Yonaguni Island, Okinawa Peer-reviewed

    Hiroki MATSUI, Yoshihisa FUJITA, Hideshige TAKADA, Kaoruko MIZUKAWA, Madoka OHJI, Izumi WATANABE

    Journal of Environmental Chemistry32   15 - 28   2022

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    Publishing type:Research paper (scientific journal)   Publisher:Japan Society for Environmental Chemistry  

    DOI: 10.5985/jec.32.15

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  • Polycyclic aromatic hydrocarbons (PAHs) in new unexposed and beached expanded polystyrene foams Peer-reviewed

    Bee Geok YEO, Kaoruko MIZUKAWA, Hideshige TAKADA, Heidi TAIT, Jeanette FRECHOU

    Environmental Monitoring and Contaminants Research2   14 - 21   2022

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    DOI: 10.5985/emcr.20210012

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  • Monitoring of phenolic endocrine disrupting chemicals by direct acetylation method: Pollution status in Tokyo rivers in 2016–2019 and estimation of their sources Peer-reviewed

    Mahiro GOMI, Kaoruko MIZUKAWA, Hideshige TAKADA

    Environmental Monitoring and Contaminants Research2   1 - 13   2022

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    DOI: 10.5985/emcr.20210013

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  • Fragmentation Behavior of Microplastics from Plastic Products on Road Surface Peer-reviewed

    Hiroki KATAOKA, Shuhei TANAKA, Moemi OKAMOTO, Satoru YUKIOKA, Kumiko IKUTA, Hidesige TAKADA

    Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)77 ( 7 ) III_269 - III_275   12 2021

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    DOI: 10.2208/jscejer.77.7_iii_269

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  • An analytical survey of benzotriazole UV stabilizers in plastic products and their endocrine-disrupting potential via human estrogen and androgen receptors Peer-reviewed International journal

    Yuuta Sakuragi, Hideshige Takada, Hiroya Sato, Atsuhito Kubota, Masaru Terasaki, Shinji Takeuchi, Atsuko Ikeda-Araki, Yoko Watanabe, Shigeyuki Kitamura, Hiroyuki Kojima

    Science of The Total Environment800   149374 - 149374   12 2021

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    Benzotriazole UV stabilizers (BUVSs) are added to various materials to prevent damage from UV-irradiation. Recently, there has been great concern regarding the endocrine-disrupting effects of exposure to microplastic-derivative BUVSs in particular. In this study, we measured the concentrations of nine representative BUVSs in the plastic bottle caps of 10 beverages, 4 food packages, and 4 plastic shopping bags purchased from Japanese grocery stores by GC-MS analysis, and found that eight BUVSs, except for 2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole (UV-320), were detected from these plastic products. In particular, 2-(2-hydroxy-5-methylphenyl) benzotriazole (UV-P) and 2-(2-hydroxy-3-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole (UV-326) were detected from all the bottle caps at concentrations in the order of ng/g. In addition, we characterized the agonistic and/or antagonistic activities against human estrogen receptors (ERα/β) and androgen receptor (AR) of 13 BUVSs. Results revealed that, among the 13 BUVSs, UV-P, 2-(5-tert-butyl-2-hydroxyphenyl) benzotriazole (UV-PS), 2-[2-hydroxy-5-[2-(methacryloyloxy)ethyl]phenyl]-2H-benzotriazole (UV-090) and 2-(2-hydroxy-5-tert-octylphenyl)-benzotriazole (UV-329) showed ERα and/or ERβ agonistic activity, with UV-P being the most potent based on these assays. On the other hand, UV-320 and 2-(3-s-butyl-5-tert-butyl-2-hydroxyphenyl) benzotriazole (UV-350) showed both ERα and ERβ antagonistic activities, and 2-(3,5-di-tert-amyl-2-hydroxylphenyl) benzotriazole (UV-328) and UV-329 acted as ERβ antagonists. In the AR assay, UV-P and 2-(3-allyl-2-hydroxy-5-methylphenyl)-2H-benzotriazole (UV-9) showed AR antagonistic activity although none of the test compounds showed AR agonistic activity. Taken together, our findings suggest that a series of BUVSs are present in our environments via plastic materials and several of these compounds possess endocrine-disrupting potential, such as ERα/β agonistic and/or antagonistic activity and AR antagonistic activity. UV-P and its structurally similar compounds, in particular, appear to be a cause for concern.

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  • Mapping marine debris encountered by albatrosses tracked over oceanic waters Peer-reviewed

    Bungo Nishizawa, Jean-Baptiste Thiebot, Fumio Sato, Naoki Tomita, Ken Yoda, Rei Yamashita, Hideshige Takada, Yutaka Watanuki

    Scientific Reports11 ( 1 )   12 2021

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    DOI: 10.1038/s41598-021-90417-x

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    Other Link: http://www.nature.com/articles/s41598-021-90417-x

  • Impact of sugarcane bagasse mulching boards on soil erosion and carrot productivity

    Adam Yakubu, Edward Benjamin Sabi, Siaw Onwona-Agyeman, Hideshige Takada, Hirozumi Watanabe

    Catena206   1 11 2021

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier B.V.  

    DOI: 10.1016/j.catena.2021.105575

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  • Plastic additives and legacy persistent organic pollutants in the preen gland oil of seabirds sampled across the globe Peer-reviewed

    Rei YAMASHITA, Nagako HIKI, Fumika KASHIWADA, Hideshige TAKADA, Kaoruko MIZUKAWA, Britta Denise HARDESTY, Lauren ROMAN, David HYRENBACH, Peter G. RYAN, Ben J. DILLEY, Juan Pablo MUÑOZ-PÉREZ, Carlos A. VALLE, Christopher K. PHAM, João FRIAS, Bungo NISHIZAWA, Akinori TAKAHASHI, Jean-Baptiste THIEBOT, Alexis WILL, Nobuo KOKUBUN, Yuuki Y. WATANABE, Takashi YAMAMOTO, Kozue SHIOMI, Ui SHIMABUKURO, Yutaka WATANUKI

    Environmental Monitoring and Contaminants Research1   97 - 112   10 2021

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    DOI: 10.5985/emcr.20210009

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  • Contamination of antibiotics and sul and tet(M) genes in veterinary wastewater, river, and coastal sea in Thailand Peer-reviewed

    Satoru Suzuki, Mitsuko Ogo, Hideshige Takada, Kanako Seki, Kaoruko Mizukawa, Aya Kadoya, Taichi Yokokawa, Yuta Sugimoto, Yuki Sato-Takabe, Chanchai Boonla, Wilai Anomasiri, Nop Sukpanyatham

    Science of The Total Environment791   148423 - 148423   10 2021

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    DOI: 10.1016/j.scitotenv.2021.148423

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  • 毒性機序の理解とリスク評価へ向けた化学物質センサー転写因子研究 フラスチック添加剤・ベンゾトリアゾール系UV吸収剤によるAhR活性化を介した免疫毒性作用

    小島 弘幸, 窪田 篤人, 寺崎 将, 室本 竜太, 高田 秀重

    The Journal of Toxicological Sciences46 ( Suppl. ) S15 - S16   7 2021

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  • 毒性機序の理解とリスク評価へ向けた化学物質センサー転写因子研究 フラスチック添加剤・ベンゾトリアゾール系UV吸収剤によるAhR活性化を介した免疫毒性作用

    小島 弘幸, 窪田 篤人, 寺崎 将, 室本 竜太, 高田 秀重

    The Journal of Toxicological Sciences46 ( Suppl. ) S15 - S16   7 2021

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  • International pellet watch: Global monitoring of polybrominated diphenyl ethers (PBDEs) in plastic resin pellets Peer-reviewed

    Tae OHGAKI, Hideshige TAKADA, Ryu YOSHIDA, Kaoruko MIZUKAWA, Bee Geok YEO, Mona ALIDOUST, Natsuki HIRAI, Rei YAMASHITA, Takashi TOKUMARU, Izumi WATANABE, Siaw ONWONA-AGYEMAN, Patricia GARDINER, Marcus ERIKSEN, Jay F. KELLY, Carlos J. RODRÍGUEZ-SIERRA, Laurent COLASSE, Juan BAZTAN, Fabiano Prado BARRETTO, Gabriel Mendes IZAR, Denis ABESSA, Mohamad Pauzi ZAKARIA, Charita S. KWAN, Mahua SAHA, Peter G. RYAN, Steven WEERTS, John OFOSU-ANIM, Edward Benjamin SABI, Lailah Gifty AKITA, Heidi TAIT, Cecilia ERIKSSON, Harry BURTON

    Environmental Monitoring and Contaminants Research1   75 - 90   7 2021

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    File: IPW_PBDEs.pdf

    DOI: 10.5985/emcr.20210002

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  • Spatiotemporal change of cesium-137 in the Pacific coast of Tohoku, Japan: The mussel watch approach Peer-reviewed International journal

    Naoko Murakami-Sugihara, Kotaro Shirai, Hirofumi Tazoe, Kaoruko Mizukawa, Hideshige Takada, Takeyasu Yamagata, Shigeyoshi Otosaka, Hiroshi Ogawa

    Marine Pollution Bulletin168   112413 - 112413   7 2021

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    We measured radiocesium in mussel tissue collected from the Pacific coast of Tohoku from 2011 to 2015 to investigate the temporal and spatial dynamics of radiocesium in the coastal area. Radioactive 137Cs was detected in all the samples collected in 2011, but it was not found in samples from localities north of Sendai after 2012. In contrast, 137Cs was detected in many sites in the Fukushima area even from 2012 to 2015. The fluctuation of 137Cs concentration in mussel tissue seems to reflect the 137Cs concentration in suspended particles in the seawater, suggesting that there was an influx of soil deposition and resuspension of seabed sediment. These results suggest that the 137Cs concentration in mussel tissue sensitively indicates the 137Cs concentration in the environment, and that the "mussel watch" approach is an effective way to understand the dynamics of radiocesium concentrations in coastal areas.

    DOI: 10.1016/j.marpolbul.2021.112413

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  • Antibiotic residues from aquaculture farms and their ecological risks in Southeast Asia: A case study from Malaysia Peer-reviewed

    Ee Lean Thiang, Choon Weng Lee, Hideshige Takada, Kanako Seki, Ayaka Takei, Satoru Suzuki, Aijun Wang, Chui Wei Bong

    Ecosystem Health and Sustainability   1926337 - 1926337   11 5 2021

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    Publishing type:Research paper (scientific journal)   Publisher:Informa UK Limited  

    DOI: 10.1080/20964129.2021.1926337

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  • Microplastics in urban wastewater and estuarine water: Importance of street runoff Peer-reviewed

    Masaya SUGIURA, Hideshige TAKADA, Naohiko TAKADA, Kaoruko MIZUKAWA, Shumpei TSUYUKI, Hiroaki FURUMAI

    Environmental Monitoring and Contaminants Research1   54 - 65   4 2021

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Japan Society for Environmental Chemistry  

    File: MPsInRunoff.pdf

    DOI: 10.5985/emcr.20200006

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  • Monitoring of polycyclic aromatic hydrocarbons, hopanes, and polychlorinated biphenyls in the Persian Gulf in plastic resin pellets Peer-reviewed

    Mona Alidoust, Geok Be Yeo, Kaoruko Mizukawa, Hideshige Takada

    Marine Pollution Bulletin165   112052 - 112052   4 2021

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    DOI: 10.1016/j.marpolbul.2021.112052

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  • Trophic transfer of microplastics enhances plastic additive accumulation in fish

    Takaaki Hasegawa, Kaoruko Mizukawa, Bee Geok Yeo, Tomonori Sekioka, Hideshige Takada, Masahiro Nakaoka

        10 3 2021

  • Immunotoxicological effects of benzotriazole UV stabilizers through activation of aryl hydrocarbon receptor

    KOJIMA Hiroyuki, KUBOTA Atsuhito, TERASAKI Masaru, MUROMOTO Ryuta, TAKADA Hideshige

    Annual Meeting of the Japanese Society of Toxicology48.1   S4-2   2021

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    Benzotriazole UV stabilizers (BUVSs) are widely used as additives of various materials, including plastics, to prevent from UV-irradiation. In this study, we investigated the toxicological effects of BUVSs via the aryl hydrocarbon receptor (AhR). The cell-based transactivation assay and <i>in silico</i> analysis revealed that some BUVSs interact with AhR ligand binding domain and activate AhR. In addition, oral treatment of C57BL/6N mice with these compounds significantly increased the proportion of CD4<sup>+</sup> Foxp3<sup>+</sup> regulatory T cells (Tregs) in the spleen. These findings suggest that some BUVSs might induce Tregs through AhR activation and act as immunosuppressive modulators.

    DOI: 10.14869/toxpt.48.1.0_s4-2

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  • Aerobic Composting and Anaerobic Digestion Decrease the Copy Numbers of Antibiotic-Resistant Genes and the Levels of Lactose-Degrading Enterobacteriaceae in Dairy Farms in Hokkaido, Japan. Peer-reviewed International journal

    Satoshi Katada, Akira Fukuda, Chie Nakajima, Yasuhiko Suzuki, Takashi Azuma, Ayaka Takei, Hideshige Takada, Eiryu Okamoto, Toshihide Kato, Yutaka Tamura, Masaru Usui

    Frontiers in microbiology12   737420 - 737420   2021

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    Efficient methods for decreasing the spread of antimicrobial resistance genes (ARGs) and transfer of antimicrobial-resistant bacteria (ARB) from livestock manure to humans are urgently needed. Aerobic composting (AC) or anaerobic digestion (AD) are widely used for manure treatment in Japanese dairy farms. To clarify the effects of AC and AD on antimicrobial resistance, the abundances of antimicrobial (tetracycline and cefazolin)-resistant lactose-degrading Enterobacteriaceae as indicator bacteria, copy numbers of ARGs (tetracycline resistance genes and β-lactamase coding genes), and concentrations of residual antimicrobials in dairy cow manure were determined before and after treatment. The concentration of tetracycline/cefazolin-resistant lactose-degrading Enterobacteriaceae was decreased over 1,000-fold by both AC and AD. ARGs such as tetA, tetB, and bla TEM were frequently detected and their copy numbers were significantly reduced by ∼1,000-fold by AD but not by AC. However, several ARG copies remained even after AD treatment. Although concentrations of the majority of residual antimicrobials were decreased by both AC and AD, oxytetracycline level was not decreased after treatment in most cases. In addition, 16S rRNA gene amplicon-based metagenomic analysis revealed that both treatments changed the bacterial community structure. These results suggest that both AC and AD could suppress the transmission of ARB, and AD could reduce ARG copy numbers in dairy cow manure.

    DOI: 10.3389/fmicb.2021.737420

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  • Environmental factors in debromination activity of polybrominated diphenyl ethers by hepatic microsomes of freshwater fish Peer-reviewed

    Kaoruko Mizukawa, Toshiko Yamada, Yasuko Hirai, Hideshige Takada

    ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH28 ( 1 ) 326 - 335   8 2020

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    DOI: 10.1007/s11356-020-10431-w

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  • Manure Compost Is a Potential Source of Tetracycline-Resistant Escherichia coli and Tetracycline Resistance Genes in Japanese Farms. Peer-reviewed International journal

    Nobuki Yoshizawa, Masaru Usui, Akira Fukuda, Tetsuo Asai, Hidetoshi Higuchi, Eiryu Okamoto, Kanako Seki, Hideshige Takada, Yutaka Tamura

    Antibiotics (Basel, Switzerland)9 ( 2 ) 76   11 2 2020

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    Manure compost has been thought of as a potential important route of transmission of antimicrobial-resistant bacteria (ARB) and antimicrobial resistance genes (ARGs) from livestock to humans. To clarify the abundance of ARB and ARGs, ARB and ARGs were quantitatively determined in tetracycline-resistant Escherichia coli (harboring the tetA gene)-spiked feces in simulated composts. In the simulated composts, the concentration of spiked E. coli decreased below the detection limit at day 7. The tetA gene remained in manure compost for 20 days, although the levels of the gene decreased. Next, to clarify the field conditions of manure compost in Japan, the quantities of tetracycline-resistant bacteria, tetracycline resistance genes, and residual tetracyclines were determined using field-manure-matured composts in livestock farms. Tetracycline-resistant bacteria were detected in 54.5% of tested matured compost (6/11 farms). The copy number of the tetA gene and the concentrations of residual tetracyclines in field manure compost were significantly correlated. These results suggest that the use of antimicrobials in livestock constitutes a selective pressure, not only in livestock feces but also in manure compost. The appropriate use of antimicrobials in livestock and treatment of manure compost are important for avoiding the spread of ARB and ARGs.

    File: Manue_AntibioticsResistanceGene.pdf

    DOI: 10.3390/antibiotics9020076

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  • PCBs and PBDEs in microplastic particles and zooplankton in open water in the Pacific Ocean and around the coast of Japan Peer-reviewed

    Bee Geok Yeo, Hideshige Takada, Rei Yamashita, Yohei Okazaki, Keiichi Uchida, Tadashi Tokai, Kosuke Tanaka, Nicole Trenholm

    Marine Pollution Bulletinin press   2 2020

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    DOI: 10.1016/j.marpolbul.2019.110806

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  • In vivo accumulation of plastics-derived chemicals into seabird tissues Peer-reviewed

    Kosuke Tanaka, Yutaka Watanuki, Hideshige Takada, Mayumi Ishizuka, Rei Yamashita, Mami Kazama, Nagako Hiki, Fumika Kashiwada, Kaoruko Mizukawa, Hazuki Mizukawa, David Hyrenbach, Michelle Hester, Yoshinori Ikenaka, Shouta M, M. Nakayama

    Current Biology30 ( 4 ) 723 - 728.e3   1 2020

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  • Occurrence and concentrations of chemical additives in plastic fragments on a beach on the island of Kauai, Hawaii Peer-reviewed

    Kosuke Tanaka, Hideshige Takada, Yoshinori Ikenaka, Shouta M, M. Nakayama, Mayumi Ishizuka

    MARINE POLLUTION BULLETINin press   11 2019

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  • 化学物質汚染と物質循環の視点からみたプラスチック問題 Invited

    高田 秀重

    環境情報科学46 ( 3 ) 12 - 16   10 2019

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  • Occurrence and Characteristics of Microplastics in Surface Road Dust in Kusatsu (Japan), Da Nang (Vietnam), and Kathmandu (Nepal) Peer-reviewed

    Satoru Yukioka, Shuhei Tanaka, Yoshiki Nabetani, Yuji Suzukic, Taishi Ushijima, Shigeo Fujii, Hideshige Takada, Quang Van Tran, Sangeeta Singh

    ENVIRONMENTAL POLLUTIONin press   10 2019

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  • An interlaboratory comparison exercise for the determination of microplastics in standard sample bottles Peer-reviewed

    Isobe Atsuhiko, Buenaventura Nina T, Chastain Stephen, Chavanich Suchana, Cozar Andres, DeLorenzo Marie, Hagmann Pascal, Hinata Hirofumi, Kozlovskii Nikolai, Lusher Amy L, Marti Elisa, Michida Yutaka, Mu Jingli, Ohno Motomichi, Potter Gael, Ross Peter S, Sagawa Nao, Shim Won Joon, Song Young Kyoung, Takada Hideshige, Tokai Tadashi, Torii Takaaki, Uchida Keiichi, Vassillenko Katerina, Viyakarn Voranop, Zhang Weiwei

    MARINE POLLUTION BULLETIN146   831 - 837   9 2019

  • Piece-by-piece analysis of additives and manufacturing byproducts in plastics ingested by seabirds: Implication for risk of exposure to seabirds Peer-reviewed

    Tanaka Kosuke, van Franeker Jan A, Deguchi Tomohiro, Takada Hideshige

    MARINE POLLUTION BULLETIN145   36 - 41   8 2019

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    DOI: 10.1016/j.marpolbul.2019.05.028

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  • Size-dependent elimination of ingested microplastics in the Mediterranean mussel Mytilus galloprovincialis Peer-reviewed

    Azusa Kinjo, Kaoruko Mizukawa, Hideshige Takada, Koji Inoue

    Marine Pollution Bulletin149   110512   8 2019

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  • Mussel Shell Geochemical Analyses Reflect Coastal Environmental Changes Following the 2011 Tohoku Tsunami Peer-reviewed

    Naoko Murakami-Sugihara, Kotaro Shirai, Masako Hori, Yosuke Amano, Hideki Fukuda, Hajime Obata, Kiyoshi Tanaka, Kaoruko Mizukawa, Yuji Sano, Hideshige Takada, Hiroshi Ogawa

    ACS Earth and Space Chemistry3 ( 7 ) 1346 - 1352   18 7 2019

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    DOI: 10.1021/acsearthspacechem.9b00040

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  • Guidelines for Harmonizing Ocean Surface Microplastic Monitoring Methods (Version 1.0)

    Yutaka Michida, Suchana Chavanich, Andrés Cózar Cabañas, Pascal Hagmann, Hirofumi Hinata, Atsuhiko Isobe, Peter Kershaw, Nikolai Kozlovskii, Daoji Li, Amy L.Lusher, Elisa Martí, Sherri A. Mason, Jingli Mu, Hiroaki Saito, Won Joon Shim, Agung Dhamar Syakti, Hideshige Takada, Richard Thompson, Tadashi Tokai, KeiichiUchida, Katerina Vasilenko, Juying Wang

        1 - 71   5 2019

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  • Transfer of additives from ingested plastics to seabirds and their accumulation in the tissue Peer-reviewed

    Takada Hideshige, Tanaka Kosuke, Yamashita Rei, Watanuki Yutaka

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY257   31 3 2019

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  • Hazardous Chemicals in Plastics in Marine Environments: International Pellet Watch

    Rei Yamashita, Kosuke Tanaka, Bee Geok Yeo, Hideshige Takada, Jan A. van Franeker, Megan Dalton, Eric Dale

    Handbook of Environmental Chemistry78   163 - 183   2019

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    Language:English   Publishing type:Part of collection (book)   Publisher:Springer Verlag  

    DOI: 10.1007/698_2018_299

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  • Release of Additives and Monomers from Plastic Wastes

    Charita S. Kwan, Hideshige Takada

    Handbook of Environmental Chemistry78   51 - 70   2019

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    DOI: 10.1007/698_2016_122

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  • OCCURENCE OF MICROPLASTICS AND ESTIMATION OF SOURCES TO RIVER WATER IN KATHMANDU CITY, NEPAL

    Moemi OKAMOTO, Shuhei TANAKA, Satoru YUKIOKA, Shigeo FUJII, Sangeeta SINGH, Hideshige TAKADA

    Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)75 ( 7 ) III_127 - III_134   2019

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    DOI: 10.2208/jscejer.75.7_iii_127

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  • BEHAVIOR OF MICROPLASTICS IN WASTEWATER TREATMENT PROCESSES AND ESTIMATION OF ITS LOADING TO LAKE BIWA

    Shuhei TANAKA, Masaki KAKITA, Satoru YUKIOKA, Yuji SUZUKI, Shigeo FUJII, Hideshige TAKADA

    Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)75 ( 7 ) III_35 - III_40   2019

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    DOI: 10.2208/jscejer.75.7_iii_35

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  • 海洋プラスチックから海鳥への汚染物質の移行と影響 Invited

    田中厚資, 山下麗, 高田秀重

    科学89 ( 1 )   1 2019

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  • 脱プラスチックと持続可能開発目標(SDGs) Invited

    高田 秀重

    科学89 ( 1 )   1 2019

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  • International Pellet Watch (IPW) as citizen science Invited

    Takada Hideshige, Tae Ogaki

    JOURNAL OF WATER AND ENVIRONMENTAL ISSUES31 ( 1 ) 4 - 10   10 2018

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    Language:Japanese   Publisher:JAPANESE ASSOCIATION FOR WATER RESOURCES AND ENVIRONMENT  

    DOI: 10.6012/jwei.31.4

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  • Occurrence of Microplastics in Digestive Tracts of Fish with Different Modes of Ingestion in Japanese Bays and Lake Biwa Peer-reviewed

    USHIJIMA Taishi, TANAKA Shuhei, SUZUKI Yuji, YUKIOKA Satoru, WANG Mengze, NABETANI Yoshiki, FUJII Shigeo, TAKADA Hideshige

    Journal of Japan Society on Water Environment41 ( 4 ) 107 - 113   4 2018

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    <p>Microplastics pollution has recently drawn worldwide attention, and may have negative effects on ecosystems. Microplastics are plastic smaller than 5 mm. This study documents microplastics larger than 100 μm in seven fish species from five Japanese bays and Lake Biwa. 197 fish individuals were examined. A total of 140 microplastics particles were found in the digestive tracts of 37.6% of all fish. All species except <i>Sardinella</i> <i>zunasi</i> had ingested microplastics in all areas. The mean number of microplastics particles was 1.89±1.41 per individual fish. Most microplastics were polypropylene (40.7%) and polyethylene (35.0%) as identified by Fourier Transform Infrared Spectrometer (FT-IR) . The median of the mean sizes of microplastics was 543 μm as measured using a microscope and digital camera. The fish species were divided into filter feeders and the others on the basis of modes of ingestion. 54.6% of 97 individuals of filter feeders had ingested microplastics, and the total number of particles was 112. The mean number of microplastics particles in filter feeders was 2.11±1.54 per individual fish. 21.0% of 100 individuals of the others group had ingested microplastics, and the total number of particles was 28. The mean number of microplastics particles in the others group was 1.33±0.80 per individual fish. These results indicated that modes of ingestion influence the fish's ingestion of microplastics.</p>

    DOI: 10.2965/jswe.41.107

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  • マイクロプラスチック汚染の現状,国際動向および対策 Invited

    高田 秀重

    廃棄物資源循環学会誌29 ( 4 ) 261 - 269   4 2018

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  • Global Monitoring of Persistent Organic Pollutants (POPs) Using Seabird Preen Gland Oil Peer-reviewed

    Rei Yamashita, Hideshige Takada, Arisa Nakazawa, Akinori Takahashi, Motohiro Ito, Takashi Yamamoto, Yuuki Y, Watanabe, Nobuo Kokubun, Katsuwfumi Sato, Sarah Wanless, Francis Daunt, David Hyrenbach, Michelle Hester, Tomohiro Deguchi, Bungo Nishizawa, Akiko Shoji, Yutaka Watanuki

    Archives of Environmental Contamination and Toxicology75 ( 4 ) 545 - 556   4 2018

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  • ADSORPTION CHARACTERISTICS OF MICROPOLLUTANTS ON MICROPLASTICS BY FOCUSING ON THEIR DIAMETERS IN WATER ENVIRONMENT

    Satoru YUKIOKA, Shuhei TANAKA, Yoshiki NABETANI, Yuji SUZUKI, Shigeo FUJII, Hideshige TAKADA

    Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)74 ( 7 ) III_527 - III_535   2018

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    DOI: 10.2208/jscejer.74.iii_527

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  • Source analysis of radiocesium in river waters using road dust tracers Peer-reviewed

    Michio Murakami, Mahua Saha, Yuichi Iwasaki, Rei Yamashita, Yukio Koibuchi, Hirofumi Tsukada, Hideshige Takada, Keisuke Sueki, Tetsuo Yasutaka

    CHEMOSPHERE187 ( 212-220 ) 212 - 220   11 2017

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    DOI: 10.1016/j.chemosphere.2017.08.095

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  • Microplastic Pollution in Aquatic Environments and the Impacts on Ecosystem Invited

      40 ( 10 ) 344 - 348   10 2017

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  • Seasonal trends of atmospheric PAHs in five Asian megacities and source detection using suitable biomarkers Peer-reviewed

    Mahua Saha, Dusmant Maharana, Rina Kurumisawa, Hideshige Takada, Geok Bee Yeo, Andrea C. Rodrigues, BadalBhattacharya, Hidetoshi Kumata, Tomoaki Okuda, Kebin He, Yongliang Ma, Fumiyuki Nakajima, Mohamad Pauzi Zakaria, Duong Hoang Giang, Pham Hung Viet, Mahua Saha, Dusmant Maharana, Rina Kurumisawa, Hideshige Takada, Geok Bee Yeo, Andrea C. Rodrigues, BadalBhattacharya, Hidetoshi Kumata, Tomoaki Okuda, Kebin He, Yongliang Ma, Fumiyuki Nakajima, Mohamad Pauzi Zakaria, Duong Hoang Giang, Pham Hung Viet

    Aerosol and Air Quality Research17   2247–2262   10 2017

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  • マイクロプラスチック汚染の現状と国際動向・対策 Invited

    高田 秀重

    環境管理53 ( 9 ) 23 - 30   9 2017

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  • 大槌湾における陸域由来環境汚染物質の分布と変動 Invited

    小川浩史, 穴沢活郎, 小畑元, 白井厚太朗, 杉原奈央子, 高田秀重, 真塩麻彩実, 水川薫子, 南秀樹

    日本水産学会誌83 ( 4 ) 648 - 651   8 2017

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  • Microplastics in Sediment Cores from Asia and Africa as Indicators of Temporal Trends in Plastic Pollution Peer-reviewed

    Yukari Matsuguma, Hideshige Takada, Hidetoshi Kumata, Hirohide Kanke, Shigeaki Sakurai, Tokuma Suzuki, Maki Itoh, Yohei Okazaki, Ruchaya Boonyatumanond, Mohamad Pauzi Zakaria, Steven Weerts, Brent Newman

    ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY73 ( 2 ) 230 - 239   8 2017

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    DOI: 10.1007/s00244-017-0414-9

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  • Distribution and fluctuation of land-derived environmental pollutants in Otsuchi Bay Peer-reviewed

    Hiroshi Ogawa, Katsuro Anazawa, Hajime Obata, Kotaro Shirai, Naoko Murakami-Sugihara, Hideshige Takada, Asami Suzuki-Mashio, Kaoruko Mizukawa, Hideki Minami

    NIPPON SUISAN GAKKAISHI83 ( 4 ) 648 - 651   7 2017

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    DOI: 10.2331/suisan.WA2432-3

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  • 琵琶湖・大阪湾におけるマイクロプラスチックへのペルフルオロ化合物類および多環芳香族炭化水素類の吸着特性 Peer-reviewed

    鍋谷佳希, 田中周平, 鈴木裕識, 雪岡聖, 藤井滋穂, 高田秀重

    土木学会論文集G(環境)73 ( 7 ) III_1 - III_8   7 2017

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  • Incorporating citizen science to study plastics in the environment Peer-reviewed

    E. R. Zettler, H. Takada, B. Monteleone, N. Mallos, M. Eriksen, L. A. Amaral-Zettler

    ANALYTICAL METHODS9 ( 9 ) 1392 - 1403   3 2017

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    DOI: 10.1039/c6ay02716d

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  • Distribution and source of sedimentary polycyclic aromatic hydrocarbon (PAHs) in river sediment of Jakarta Peer-reviewed

    Rinawati Rinawati, Hideshige Takada

    Indonesian Journal of Chemistry17 ( 3 ) 394 - 400   2017

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    DOI: 10.22146/ijc.26837

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  • Geochemistry of microplastics

    Takada Hideshige

    Abstracts of Annual Meeting of the Geochemical Society of Japan64   222 - 222   2017

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    <p>On global basis, 300 millions tons of plastics are produced annually. Half of them are single-use plastics. Some of them escape from land-based activities and discharged into rivers through surface runoff, and finally into the ocean. The amount of plastics entering into the ocean is estimated at several millions tons per year (i.e., 5 ~13 millions tons/y, Jambeck et al., 2015). During their movement or floating on the sea surface and/or stranding on beaches, they are usually exposed to UV radiation and get fragmented into smaller plastics (Andrady, 2011). Fragments get smaller and smaller and finally they become microplastics (i.e., plastics less than 5 mm in diameter; Fig.1, Fig.2). In addition to fragmentation of plastic products, there are several other origins of microplastics in marine environments, i.e., resin pellets, microbeads in personal care products, chemical fibers from synthetic textile, shavings from sponge of synthetic fibers, etc. Consequently, huge amounts of plastics (i.e., 5 trillions pieces or 270,000 tons of plastics, Cózar et al., 2014; Eriksen et al., 2014) are floating on world ocean. Geochemical significance and role of microplastics will be discussed on the talk.</p>

    DOI: 10.14862/geochemproc.64.0_222

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  • ADSORPTION CHARACTERISTICS OF PFCS AND PAHS ON MICROPLASTICS IN LAKE BIWA AND OSAKA BAY

    Yoshiki NABETANI, Shuhei TANAKA, Yuji SUZUKI, Satoru YUKIOKA, Shigeo FUJII, Hideshige TAKADA

    Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)73 ( 7 ) III_1 - III_8   2017

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    DOI: 10.2208/jscejer.73.iii_1

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  • Spatial Distribution and Temporal Trend of Anthropogenic Organic Compounds Derived from the 2011 East Japan Earthquake Peer-reviewed

    Kaoruko Mizukawa, Yasuko Hirai, Hiroyuki Sakakibara, Satoshi Endo, Keiji Okuda, Hideshige Takada, Naoko Murakami-Sugihara, Kotaro Shirai, Hiroshi Ogawa

    Archives of Environmental Contamination and Toxicology73 ( 2 ) 185 - 195   2017

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    DOI: 10.1007/s00244-017-0389-6

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  • Polycyclic Aromatic Hydrocarbons (PAHs) and Hopanes in Plastic Resin Pellets as Markers of Oil Pollution via International Pellet Watch Monitoring Peer-reviewed

    Bee Geok Yeo, Hideshige Takada, Junki Hosoda, Atsuko Kondo, Rei Yamashita, Mahua Saha, Thomas Maes

    Archives of Environmental Contamination and Toxicology73 ( 2 ) 196 - 206   2017

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    DOI: 10.1007/s00244-017-0423-8

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  • Indicators of Marine Pollution in the North Pacific Ocean Peer-reviewed

    Tanya M. Brown, Hideshige Takada

    Archives of Environmental Contamination and Toxicology73 ( 2 ) 171 - 175   2017

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    DOI: 10.1007/s00244-017-0424-7

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  • ; Microplastic fragments and microbeads in digestive tracts of planktivorous fish from urban coastal waters Peer-reviewed

    Kosuke Tanaka, Hideshige Takada

    SCIENTIFIC REPORTS6   34351   9 2016

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    DOI: 10.1038/srep34351

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  • Temporal and spatial changes in persistent organic pollutants in Vietnamese coastal waters detected from plastic resin pellets Peer-reviewed

    Dung Quang Le, Hideshige Takada, Rei Yamashita, Kaoruko Mizukawa, Junki Hosoda, Dao Anh Tuyet

    Marine Pollution Bulletin109 ( 1 ) 320 - 324   15 8 2016

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    DOI: 10.1016/j.marpolbul.2016.05.063

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  • Spatial variability in persistent organic pollutants and polycyclic aromatic hydrocarbons found in beach-stranded pellets along the coast of the state of Sao Paulo, southeastern Brazil Peer-reviewed

    Satie Taniguchi, Fernanda I. Colabuono, Patrick S. Dias, Renato Oliveira, Mara Fisner, Alexander Turra, Gabriel M. Izar, Denis M. S. Abessa, Mahua Saha, Junki Hosoda, Rei Yamashita, Hideshige Takada, Rafael A. Lourenco, Caio A. Magalhaes, Marcia C. Bicego, Rosalinda C. Montone

    MARINE POLLUTION BULLETIN106 ( 1-2 ) 87 - 94   5 2016

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    DOI: 10.1016/j.marpolbul.2016.03.024

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  • Use of Aeromonas spp. as General Indicators of Antimicrobial Susceptibility among Bacteria in Aquatic Environments in Thailand Peer-reviewed

    Masaru Usui, Chie Tagaki, Akira Fukuda, Torahiko Okubo, Chanchai Boonla, Satoru Suzuki, Kanako Seki, Hideshige Takada, Yutaka Tamura

    FRONTIERS IN MICROBIOLOGY7   5 2016

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    DOI: 10.3389/fmicb.2016.00710

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  • Marine plastic pollution: Dynamics of plastic debris in marine ecosystem and effect on marine organisms Peer-reviewed

    Rei Yamashita, Kosuke Tanaka, Hideshige Takada

    Japanese Journal of Ecology66 ( 1 ) 51 - 68   2016

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    DOI: 10.18960/seitai.66.1_51

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  • POPs monitoring in Australia and New Zealand using plastic resin pellets, and International Pellet Watch as a tool for education and raising public awareness on plastic debris and POPs Peer-reviewed

    Bee Geok Yeo, Hideshige Takada, Heidi Taylor, Maki Ito, Junki Hosoda, Mayumi Allinson, Sharnie Connell, Laura Greaves, John McGrath

    MARINE POLLUTION BULLETIN101 ( 1 ) 137 - 145   12 2015

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    DOI: 10.1016/j.matpolbul.2015.11.006

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  • Facilitated Leaching of Additive-Derived PBDEs from Plastic by Seabirds' Stomach Oil and Accumulation in Tissues Peer-reviewed

    Kosuke Tanaka, Hideshige Takada, Rei Yamashita, Kaoruko Mizukawa, Masa-aki Fukuwaka, Yutaka Watanuki

    ENVIRONMENTAL SCIENCE & TECHNOLOGY49 ( 19 ) 11799 - 11807   10 2015

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    DOI: 10.1021/acs.est.5b01376

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  • Sulfonamide and tetracycline resistance genes in total- and culturable-bacterial assemblages in South African aquatic environments Peer-reviewed

    Satoru Suzuki, Mitsuko Ogo, Tatsuya Koike, Hideshige Takada, Brent Newman

    FRONTIERS IN MICROBIOLOGY6   in press   8 2015

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    DOI: 10.3389/fmicb.2015.00796

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  • Global occurrence of anti-infectives in contaminated surface waters: Impact of income inequality between countries Peer-reviewed

    Pedro A. Segura, Hideshige Takada, Jose A. Correa, Karim El Saadi, Tatsuya Koike, Siaw Onwona-Agyeman, John Ofosu-Anim, Edward Benjamin Sabi, Oliver V. Wasonga, Joseph M. Mghalu, Antonio Manuel dos Santos Junior, Brent Newman, Steven Weerts, Viviane Yargeau

    ENVIRONMENT INTERNATIONAL80   89 - 97   7 2015

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    DOI: 10.1016/j.envint.2015.04.001

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  • Temporal Variation and Source Analysis of Radiocesium in an Urban River after the 2011 Nuclear Accident in Fukushima, Japan. Peer-reviewed

    Rei YAMASHITA, Michio MURAKAMI, Yuichi IWASAKI, Nao SHIBAYAMA, Keisuke SUEKI, Mahua SAHA, Goro MOURI, Soulichan LAMXAY, Haechong O, Yukio KOIBUCHI, Hideshige TAKADA

    Journal of Water and Environment Technology13 ( 2 ) 179 - 194   2 2015

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    The release of radiocesium from the Fukushima Dai-ichi Nuclear Power Plant caused environmental contamination. We analyzed sources, behavior, and temporal trends of radiocesium by 1-year monitoring in an urban river, the Ohori River. The concentrations of <SUP>137</SUP>Cs in both particulate and dissolved phases decreased to ~ 16% within 1 year. The partition coefficient in dry weather was estimated to be 3.2 × 10<SUP>4</SUP> L/kg. <SUP>137</SUP>Cs concentrations in the particulate phase were higher during wet weather than during dry weather on the basis of both suspended solids (SS) weight and liquid volume. The ratios of <SUP>137</SUP>Cs concentration to deposited <SUP>137</SUP>Cs in the Ohori River (e.g., composite: 0.26 m<SUP>2</SUP>/kg-SS in June - July 2012) were higher than those in the Abukuma River, probably because of differences in land use. Source analysis by a chemical mass balance method showed that 22% of <SUP>137</SUP>Cs came from river water in dry weather, 39% from river sediments, and 39% from road dust highlighting urban surface deposits such as road dust as major sources of <SUP>137</SUP>Cs in the river water even 2 years after the accident, and that the wash-off of these deposits increased the <SUP>137</SUP>Cs concentration in the river during wet weather.

    DOI: 10.2965/jwet.2015.179

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    Other Link: https://kaken.nii.ac.jp/grant/KAKENHI-PUBLICLY-25110501/

  • International Pellet Watch (IPW):海岸漂着プラスチックを用いた地球規模でのPOPsモニタリング Peer-reviewed

    高田秀重

    地球環境19 ( 2 ) 135 - 145   12 2014

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  • Monitoring of organic micropollutants in Ghana by combination of pellet watch with sediment analysis: E-waste as a source of PCBs Peer-reviewed

    Junki Hosoda, John Ofosu-Anim, Edward Benjamin Sabi, Lailah Gifty Akita, Siaw Onwona-Agyeman, Rei Yamashita, Hideshige Takada

    MARINE POLLUTION BULLETIN86 ( 1-2 ) 575 - 581   9 2014

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    DOI: 10.1016/j.marpolbul.2014.06.008

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  • Investigating sources and pathways of perfluoroalkyl acids (PFAAs) in aquifers in Tokyo using multiple tracers Peer-reviewed

    Keisuke Kuroda, Michio Murakami, Kumiko Oguma, Hideshige Takada, Satoshi Takizawa

    Science of the Total Environment488-489 ( 1 ) 51 - 60   1 8 2014

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    DOI: 10.1016/j.scitotenv.2014.04.066

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  • Persistent organic pollutants (POPs), polycyclic aromatic hydrocarbons (PAHs), and plastics: Examples of the status, trend, and cycling of organic chemicals of environmental concern in the ocean Peer-reviewed

    John W. Farrington, Hideshige Takada

    Oceanography27 ( 1 ) 196 - 213   3 2014

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    DOI: 10.5670/oceanog.2014.23

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  • Historical occurrences of polybrominated diphenyl ethers and polychlorinated biphenyls in Manila Bay, Philippines, and in the upper Gulf of Thailand Peer-reviewed

    Charita S. Kwan, Hideshige Takada, Ruchaya Boonyatumanond, Yoshihisa Kato, Kaoruko Mizukawa, Maki Ito, Le Quang Dung, Mohamad Pauzi Zakaria, Evangeline C. Santiago

    SCIENCE OF THE TOTAL ENVIRONMENT470   427 - 437   2 2014

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    DOI: 10.1016/j.scitotenv.2013.09.076

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  • Global research priorities to mitigate plastic pollution impacts on marine wildlife Peer-reviewed

    A. C. Vegter, M. Barletta, C. Beck, J. Borrero, H. Burton, M. L. Campbell, M. F. Costa, M. Eriksen, C. Eriksson, A. Estrades, K. V. K. Gilardi, B. D. Hardesty, J. A. Ivar do Sul, J. L. Lavers, B. Lazar, L. Lebreton, W. J. Nichols, C. A. Ribic, P. G. Ryan, Q. A. Schuyler, S. D. A. Smith, H. Takada, K. A. Townsend, C. C. C. Wabnitz, C. Wilcox, L. C. Young, M. Hamann

    ENDANGERED SPECIES RESEARCH25 ( 3 ) 225 - 247   2014

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    DOI: 10.3354/esr00623

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  • Rapid and Simple Determination of Multi-Elements in Aerosol Samples Collected on Quartz Fiber Filters by Using EDXRF Coupled with Fundamental Parameter Quantification Technique Peer-reviewed

    Tomoaki Okuda, Eiji Fujimori, Kazuki Hatoya, Hideshige Takada, Hidetoshi Kumata, Fumiyuki Nakajima, Shiro Hatakeyama, Masao Uchida, Shigeru Tanaka, Kebin He, Yongliang Ma, Hiroki Haraguchi

    AEROSOL AND AIR QUALITY RESEARCH13 ( 6 ) 1864 - 1876   12 2013

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    DOI: 10.4209/aaqr.2012.11.0308

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  • Respiratory uptake kinetics of neutral hydrophobic organic chemicals in a marine benthic fish, Pseudopleuronectes yokohamae Peer-reviewed

    Jun Kobayashi, Takeo Sakurai, Kaoruko Mizukawa, Kyoko Kinoshita, Nozomi Ito, Shunji Hashimoto, Daisuke Nakajima, Toru Kawai, Yoshitaka Imaizumi, Hideshige Takada, Noriyuki Suzuki

    Chemosphere93 ( 8 ) 1479 - 1486   11 2013

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    DOI: 10.1016/j.chemosphere.2013.07.031

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  • Sedimentary PBDEs in urban areas of tropical Asian countries Peer-reviewed

    Charita S. Kwan, Hideshige Takada, Kaoruko Mizukawa, Mahua Saha, Rinawati, Evangeline C. Santiago

    MARINE POLLUTION BULLETIN76 ( 1-2 ) 95 - 105   11 2013

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    DOI: 10.1016/j.marpolbul.2013.09.023

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  • Formation of perfluorinated surfactants from precursors by indigenous microorganisms in groundwater Peer-reviewed

    Michio Murakami, Hiroshi Nishikoori, Hiroshi Sakai, Kumiko Oguma, Hideshige Takada, Satoshi Takizawa

    Chemosphere93 ( 1 ) 140 - 145   9 2013

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    DOI: 10.1016/j.chemosphere.2013.05.010

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  • Desorption kinetics of hydrophobic organic contaminants from marine plastic pellets Peer-reviewed

    Satoshi Endo, Masaki Yuyama, Hideshige Takada

    MARINE POLLUTION BULLETIN74 ( 1 ) 125 - 131   9 2013

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    DOI: 10.1016/j.marpolbul.2013.07.018

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  • Contaminants in tracked seabirds showing regional patterns of marine pollution Peer-reviewed

    Atsuo Ito, Rei Yamashita, Hideshige Takada, Takashi Yamamoto, Kozue Shiomi, Carlos Zavalaga, Tomoya Abe, Shinichi Watanabe, Maki Yamamoto, Katsufumi Sato, Hiroyoshi Kohno, Ken Yoda, Tomohiko Iida, Yutaka Watanuki

    Environmental Science and Technology47 ( 14 ) 7862 - 7867   16 7 2013

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    DOI: 10.1021/es4014773

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  • PBDEs in leachates from municipal solid waste dumping sites in tropical Asian countries: phase distribution and debromination Peer-reviewed

    Charita S. Kwan, Hideshige Takada, Kaoruko Mizukawa, Maiko Torii, Tatsuya Koike, Rei Yamashita, Rinawati, Mahua Saha, Evangeline C. Santiago

    ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH20 ( 6 ) 4188 - 4204   6 2013

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    DOI: 10.1007/s11356-012-1365-3

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  • Ubiquitous occurrence of sulfonamides in tropical Asian waters Peer-reviewed

    Akiko Shimizu, Hideshige Takada, Tatsuya Koike, Ayako Takeshita, Mahua Saha, Rinawati, Norihide Nakada, Ayako Murata, Tokuma Suzuki, Satoru Suzuki, Nguyen H. Chiem, Bui Cach Tuyen, Pham Hung Viet, Maria Auxilia Siringan, Charita Kwan, Mohamad P. Zakaria, Alissara Reungsang

    SCIENCE OF THE TOTAL ENVIRONMENT452   108 - 115   5 2013

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    DOI: 10.1016/j.scitotenv.2013.02.027

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  • Accumulation of plastic-derived chemicals in tissues of seabirds ingesting marine plastics Peer-reviewed

    Kosuke Tanaka, Hideshige Takada, Rei Yamashita, Kaoruko Mizukawa, Masa-aki Fukuwaka, Yutaka Watanuki

    MARINE POLLUTION BULLETIN69 ( 1-2 ) 219 - 222   4 2013

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    DOI: 10.1016/j.marpolbul.2012.12.010

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  • Inorganic Chemical Characterization of Aerosols in Four Asian Mega-Cities Peer-reviewed

    Tomoaki Okuda, Hideshige Takada, Hidetoshi Kumata, Fumiyuki Nakajima, Shiro Hatakeyama, Masao Uchida, Shigeru Tanaka, Kebin He, Yongliang Ma

    AEROSOL AND AIR QUALITY RESEARCH13 ( 2 ) 436 - 449   4 2013

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    DOI: 10.4209/aaqr.2012.09.0250

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  • Biomagnification and debromination of polybrominated diphenyl ethers in a coastal ecosystem in Tokyo Bay Peer-reviewed

    Kaoruko Mizukawa, Toshiko Yamada, Hiroaki Matsuo, Ichiro Takeuchi, Kotaro Tsuchiya, Hideshige Takada

    Science of the Total Environment449   401 - 409   1 4 2013

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    DOI: 10.1016/j.scitotenv.2013.01.092

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  • Policy: Classify plastic waste as hazardous Peer-reviewed

    Rochman, Chelsea M, Browne, Mark Anthony, Halpern, Benjamin S, Hentschel, Brian T, Hoh, Eunha, Karapanagioti, Hrissi K, Rios-Mendoza, Lorena M, Takada, Hideshige, Teh, Swee, Thompson, Richard C

    Nature494 ( 7436 ) 169 - 171   1 2013

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    DOI: 10.1038/494169a

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  • Monitoring of a wide range of organic micropollutants on the Portuguese coast using plastic resin pellets Peer-reviewed

    Kaoruko Mizukawa, Hideshige Takada, Maki Ito, Yeo Bee Geok, Junki Hosoda, Rei Yamashita, Mahua Saha, Satoru Suzuki, Carlos Miguez, João Frias, Joana Cepeda Antunes, Paula Sobral, Isabelina Santos, Cristina Micaelo, Ana Maria Ferreira

    Marine Pollution Bulletin70 ( 1-2 ) 296 - 302   2013

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    DOI: 10.1016/j.marpolbul.2013.02.008

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  • Who possesses drug resistance genes in the aquatic environment?: Sulfamethoxazole (SMX) resistance genes among the bacterial community in water environment of Metro-Manila, Philippines Peer-reviewed

    Satoru Suzuki, Mitsuko Ogo, Todd W. Miller, Akiko Shimizu, Hideshige Takada, Maria Auxilia T. Siringan

    Frontiers in Microbiology4   1 - 12   2013

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    DOI: 10.3389/fmicb.2013.00102

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  • Long-term decreases in persistent organic pollutants in South African coastal waters detected from beached polyethylene pellets Peer-reviewed

    Peter G. Ryan, Hindrik Bouwman, Coleen L. Moloney, Masaki Yuyama, Hideshige Takada

    MARINE POLLUTION BULLETIN64 ( 12 ) 2756 - 2760   12 2012

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    DOI: 10.1016/j.marpolbul.2012.09.013

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  • Evaluation of ginkgo as a biomonitor of airborne polycyclic aromatic hydrocarbons Peer-reviewed

    Michio Murakami, Maho Abe, Yoriko Kakumoto, Hiromi Kawano, Hiroko Fukasawa, Mahua Saha, Hideshige Takada

    ATMOSPHERIC ENVIRONMENT54   9 - 17   7 2012

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    DOI: 10.1016/j.atmosenv.2012.02.014

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  • Distribution, source identification, and historical trends of organic micropollutants in coastal sediment in Jakarta Bay, Indonesia Peer-reviewed

    Rinawati, Tatsuya Koike, Hiroaki Koike, Rina Kurumisawa, Maki Ito, Shigeaki Sakurai, Ayako Togo, Mahua Saha, Zainal Arifin, Hideshige Takada

    JOURNAL OF HAZARDOUS MATERIALS217   208 - 216   5 2012

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    DOI: 10.1016/j.jhazmat.2012.03.023

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  • Measurement of persistent organic pollutants (POPs) in plastic resin pellets from remote islands: Toward establishment of background concentrations for International Pellet Watch Peer-reviewed

    Marvin Heskett, Hideshige Takada, Rei Yamashita, Masaki Yuyama, Maki Ito, Yeo Bee Geok, Yuko Ogata, Charita Kwan, Angelika Heckhausen, Heidi Taylor, Taj Powell, Carey Morishige, Doug Young, Hugh Patterson, Bryson Robertson, Elizabeth Bailey, Jorge Mermoz

    MARINE POLLUTION BULLETIN64 ( 2 ) 445 - 448   2 2012

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    DOI: 10.1016/j.marpolbul.2011.11.004

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  • Assessment of Groundwater Pollution in Tokyo Using PPCPs as Sewage Markers Peer-reviewed

    Keisuke Kuroda, Michio Murakami, Kumiko Oguma, Yuki Muramatsu, Hideshige Takada, Satoshi Taldzawa

    ENVIRONMENTAL SCIENCE & TECHNOLOGY46 ( 3 ) 1455 - 1464   2 2012

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    DOI: 10.1021/es202059g

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  • Establishing Criteria of Relative Abundance of Alkyl Polycyclic Aromatic Hydrocarbons (PAHs) for Differentiation of Pyrogenic and Petrogenic PAHs: An Application to Indian Sediment Peer-reviewed

    Mahua Saha, Hideshige Takada, Badal Bhattacharya

    ENVIRONMENTAL FORENSICS13 ( 4 ) 312 - 331   2012

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    DOI: 10.1080/15275922.2012.729005

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  • Physical and chemical effects of ingested plastic debris on short-tailed shearwaters, Puffinus tenuirostris, in the North Pacific Ocean Peer-reviewed

    Rei Yamashita, Hideshige Takada, Masa-aki Fukuwaka, Yutaka Watanuki

    MARINE POLLUTION BULLETIN62 ( 12 ) 2845 - 2849   12 2011

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    DOI: 10.1016/j.marpolbul.2011.10.008

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  • Levels, Temporal Trends, and Tissue Distribution of Perfluorinated Surfactants in Freshwater Fish from Asian Countries Peer-reviewed

    Michio Murakami, Nozomi Adachi, Mahua Saha, Chiaki Morita, Hideshige Takada

    ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY61 ( 4 ) 631 - 641   11 2011

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    DOI: 10.1007/s00244-011-9660-4

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  • Nationwide monitoring of selected antibiotics: Distribution and sources of sulfonamides, trimethoprim, and macrolides in Japanese rivers Peer-reviewed

    Ayako Murata, Hideshige Takada, Kunihiro Mutoh, Hiroshi Hosoda, Arata Harada, Norihide Nakada

    SCIENCE OF THE TOTAL ENVIRONMENT409 ( 24 ) 5305 - 5312   11 2011

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    DOI: 10.1016/j.scitotenv.2011.09.014

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  • 流入下水および下水処理水中の水溶性微量有機汚染物質および人為起源マーカーの濃度 Peer-reviewed

    森本拓也, 村松佑紀, 竹下綾子, 清水亜希子, 村上道夫, 高田秀重

    用水と廃水,53, 635-646, 201153   635 - 646   9 2011

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  • Estimation of contribution from non-point sources to perfluorinated surfactants in a river by using boron as a wastewater tracer Peer-reviewed

    Hiroshi Nishikoori, Michio Murakami, Hiroshi Sakai, Kumiko Oguma, Hideshige Takada, Satoshi Takizawa

    CHEMOSPHERE84 ( 8 ) 1125 - 1132   8 2011

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    DOI: 10.1016/j.chemosphere.2011.04.036

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  • Organic micropollutants in marine plastics debris from the open ocean and remote and urban beaches Peer-reviewed

    Hisashi Hirai, Hideshige Takada, Yuko Ogata, Rei Yamashita, Kaoruko Mizukawa, Mahua Saha, Charita Kwan, Charles Moore, Holly Gray, Duane Laursen, Erik R. Zettler, John W. Farrington, Christopher M. Reddy, Emily E. Peacock, Marc W. Ward

    MARINE POLLUTION BULLETIN62 ( 8 ) 1683 - 1692   8 2011

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    DOI: 10.1016/j.marpolbul.2011.06.004

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  • Antibiotic contamination and occurrence of antibiotic-resistant bacteria in aquatic environments of northern Vietnam Peer-reviewed

    Phan Thi Phuong Hoa, Satoshi Managaki, Norihide Nakada, Hideshige Takada, Akiko Shimizu, Duong Hong Anh, Pham Hung Viet, Satoru Suzuki

    SCIENCE OF THE TOTAL ENVIRONMENT409 ( 15 ) 2894 - 2901   7 2011

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    DOI: 10.1016/j.scitotenv.2011.04.030

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  • Diffuse pollution by persistent organic pollutants as measured in plastic pellets sampled from various beaches in Greece Peer-reviewed

    H. K. Karapanagioti, S. Endo, Y. Ogata, H. Takada

    MARINE POLLUTION BULLETIN62 ( 2 ) 312 - 317   2 2011

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    DOI: 10.1016/j.marpolbul.2010.10.009

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  • Dietary uptake kinetics of polychlorinated biphenyls from sediment-contaminated sandworms in a marine benthic fish (Pseudopleuronectes yokohamae) Peer-reviewed

    Jun Kobayashi, Kyoko Kinoshita, Kaoruko Mizukawa, Takeo Sakurai, Yoshitaka Imaizumi, Hideshige Takada, Noriyuki Suzuki

    CHEMOSPHERE82 ( 5 ) 745 - 750   1 2011

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    DOI: 10.1016/j.chemosphere.2010.10.087

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  • Source analysis of perfluorocarboxylates in Tokyo Bay during dry weather and wet weather using sewage markers Peer-reviewed

    Michio Murakami, Chiaki Morita, Takuya Morimoto, Hideshige Takada

    ENVIRONMENTAL CHEMISTRY8 ( 4 ) 355 - 362   2011

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    DOI: 10.1071/EN10130

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  • Abundance of Sulfonamide-resistant Bacteria and Their Resistance Genes in Integrated Aquaculture-agriculture Ponds, North Vietnam Peer-reviewed

    Phan Thi Phuong Hoa, Satoshi Managaki, Norihide Nakada, Hideshige Takada, Duong Hong Anh, Pham Hung Viet, Pham Thanh Hien, Satoru Suzuki

    Interdisciplinary Studies on Environmental Chemistry Biological Responses to Chemical PollutantsVol 3   pp.15-22   11 2010

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  • Role of Photodegradation in the Fate of Fluorescent Whitening Agents (FWAs) in Lacustrine Environments Peer-reviewed

    Nobuhisa Yamaji, Kazuhide Hayakawa, Hideshige Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY44 ( 20 ) 7796 - 7801   10 2010

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    DOI: 10.1021/es100465v

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  • Eroded plastic pellets as monitoring tools for polycyclic aromatic hydrocarbons (PAH): laboratory and field studies. KARAPANAGIOTI Eroded plastic pellets as monitoring tools for polycyclic aromatic hydrocarbons (PAH): laboratory and field studies. Peer-reviewed

    KARAPANAGIOTI, H.K, OGATA, Y, TAKADA, H

    Global NEST Journal12 ( 3 ) 327 - 334   10 2010

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  • Seabirds as indicators of the state of the marine environment and its conservation Peer-reviewed

    KAZAMA Kentaro, ITO Motohiro, NIIZUMA Yasuaki, SAKURAI Yasunori, TAKADA Hideshige, SYDEMAN William J., CROXALL John P., WATANUKI Yutaka

    Japanese journal of ornithology59 ( 1 ) 38 - 54   20 4 2010

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    DOI: 10.3838/jjo.59.38

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  • International Pellet Watch: Global monitoring of persistent organic pollutants (POPs) in coastal Waters. 1. Initial phase data on PCBs, DDTs, and HCHs Peer-reviewed

    Yuko Ogata, Hideshige Takada, Kaoruko Mizukawa, Hisashi Hirai, Satoru Iwasa, Satoshi Endo, Yukie Mato, Mahua Saha, Keiji Okuda, Arisa Nakashima, Michio Murakami, Nico Zurcher, Ruchaya Booyatumanondo, Mohamad Pauzi Zakaria, Le Quang Dung, Miriam Gordon, Carlos Miguez, Satoru Suzuki, Charles Moore, Hrissi K. Karapanagioti, Steven Weerts, Tim McClurg, Erick Burres, Wally Smith, Michael Van Velkenburg, Judith Selby Lang, Richard C. Lang, Duane Laursen, Brenda Danner, Nickol Stewardson, Richard C. Thompson

    MARINE POLLUTION BULLETIN58 ( 10 ) 1437 - 1446   10 2009

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    DOI: 10.1016/j.marpolbul.2009.06.014

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  • Bioconcentration and biomagnification of polybrominated diphenyl ethers (PBDEs) through lower-trophic-level coastal marine food web Peer-reviewed

    Kaoruko Mizukawa, Hideshige Takada, Ichiro Takeuchi, Tokutaka Ikemoto, Koji Omori, Kotaro Tsuchiya

    MARINE POLLUTION BULLETIN58 ( 8 ) 1217 - 1224   8 2009

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    DOI: 10.1016/j.marpolbul.2009.03.008

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  • Transport and release of chemicals from plastics to the environment and to wildlife Peer-reviewed

    Emma L. Teuten, Jovita M. Saquing, Detlef R. U. Knappe, Morton A. Barlaz, Susanne Jonsson, Annika Bjorn, Steven J. Rowland, Richard C. Thompson, Tamara S. Galloway, Rei Yamashita, Daisuke Ochi, Yutaka Watanuki, Charles Moore, Pham Hung Viet, Touch Seang Tana, Maricar Prudente, Ruchaya Boonyatumanond, Mohamad P. Zakaria, Kongsap Akkhavong, Yuko Ogata, Hisashi Hirai, Satoru Iwasa, Kaoruko Mizukawa, Yuki Hagino, Ayako Imamura, Mahua Saha, Hideshige Takada

    PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES364 ( 1526 ) 2027 - 2045   7 2009

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    DOI: 10.1098/rstb.2008.0284

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  • Biomagnification profiles of polycyclic aromatic hydrocarbons, alkylphenols and polychlorinated biphenyls in Tokyo Bay elucidated by delta C-13 and delta N-15 isotope ratios as guides to trophic web structure Peer-reviewed

    Ichiro Takeuchi, Noriko Miyoshi, Kaoruko Mizukawa, Hideshige Takada, Tokutaka Ikemoto, Koji Omori, Kotaro Tsuchiya

    MARINE POLLUTION BULLETIN58 ( 5 ) 663 - 671   5 2009

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    DOI: 10.1016/j.marpolbul.2008.12.022

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  • Groundwater Pollution by Perfluorinated Surfactants in Tokyo Peer-reviewed

    Michio Murakami, Keisuke Kuroda, Nobuyuki Sato, Tetsuo Fukushi, Satoshi Takizawa, Hideshige Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY43 ( 10 ) 3480 - 3486   5 2009

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    DOI: 10.1021/es803556w

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  • Sources of sedimentary PAHs in tropical Asian waters: Differentiation between pyrogenic and petrogenic sources by alkyl homolog abundance Peer-reviewed

    Mahua Saha, Ayako Togo, Kaoruko Mizukawa, Michio Murakami, Hideshige Takada, Mohamad P. Zakaria, Nguyen H. Chiem, Bui Cach Tuyen, Maricar Prudente, Ruchaya Boonyatumanond, Santosh Kumar Sarkar, Badal Bhattacharya, Pravakar Mishra, Touch Seang Tana

    MARINE POLLUTION BULLETIN58 ( 2 ) 189 - 200   2 2009

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    DOI: 10.1016/j.marpolbul.2008.04.049

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  • Pharmaceuticals as markers of sewage pollution in groundwater in Tokyo Peer-reviewed

    Kuroda K, Fukushi T, Murakami M, Oguma K, Takada H, Takizawa S

    Water Quality Technology Conference and Exposition 2009   1768 - 1771   2009

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    Other Link: http://orcid.org/0000-0001-5110-8968

  • Water quality change of road runoff and secondary effluent by soil aquifer treatment and their risk evaluation Peer-reviewed

    Journal of the Japanese Society of Soil Physics111 ( 111 ) 17 - 24   2009

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    Other Link: http://agriknowledge.affrc.go.jp/RN/2010772724

  • Evaluation of wastewater and street runoff as sources of perfluorinated surfactants (PFSs) Peer-reviewed

    Michio Murakami, Hiroyuki Shinohara, Hideshige Takada

    CHEMOSPHERE74 ( 4 ) 487 - 493   1 2009

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    DOI: 10.1016/j.chemosphere.2008.10.018

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  • Perfluorinated surfactants (PFSs) in size-fractionated street dust in Tokyo Peer-reviewed

    Michio Murakami, Hideshige Takada

    CHEMOSPHERE73 ( 8 ) 1172 - 1177   11 2008

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    DOI: 10.1016/j.chemosphere.2008.07.063

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  • Occurrence and sources of perfluorinated surfactants in rivers in Japan Peer-reviewed

    Michio Murakami, Eiji Imamura, Hiroyuki Shinohara, Kentaro Kiri, Yuki Muramatsu, Arata Harada, Hideshige Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY42 ( 17 ) 6566 - 6572   9 2008

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    DOI: 10.1021/es800353f

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  • 日本および熱帯アジア諸国の水環境における医薬品汚染の実態

    中田典秀, 真名垣聡, 高田秀重

    用水と廃水Vol50 ( (7) ) pp.37-47   7 2008

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    医薬品は人及び動物に広く利用されているが、その一部が水環境中に存在することが明らかになっている。本総説は、人と動物用医薬品の汚染実態について、我が国と東南アジア(メコン川流域)で検出される医薬品の種類や濃度について比較をおこない、両国の汚染の相違をまとめた。

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  • Multiple evaluations of the removal of pollutants in road runoff by soil infiltration Peer-reviewed

    Michio Murakami, Nobuyuki Sato, Aya Anegawa, Norihide Nakada, Arata Harada, Toshiya Komatsu, Hideshige Takada, Hiroaki Tanaka, Yoshiro Ono, Hiroaki Furumai

    WATER RESEARCH42 ( 10-11 ) 2745 - 2755   5 2008

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    DOI: 10.1016/j.watres.2008.02.004

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  • Evaluation of pharmaceuticals and personal care products (PPCPs) as water-soluble molecular markers of sewage. , Environ. Sci. Technol. Peer-reviewed

    Nakada, Norihide, Kiri, Kentaro, Shinohara, Hiroyuki, Harada, Arata, Kuroda, Keisuke, Takizawa, Satoshi, Takada, Hideshige

    Environmental Science & Technology42 ( 17 ) 6347 - 6353   3 2008

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  • Estrogen equivalent concentration of 13 branched para-nonylphenols in three technical mixtures by isomer-specific determination using their synthetic standards in SIM mode with GC-MS and two new diasteromeric isomers Peer-reviewed

    Takao Katase, Keiji Okuda, Yun-Seok Kim, Heesoo Eun, Hideshige Takada, Taketo Uchiyama, Hiroaki Salto, Mitsuko Makino, Yasuo Fujimoto

    CHEMOSPHERE70 ( 11 ) 1961 - 1972   2 2008

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    DOI: 10.1016/j.chemosphere.2007.09.049

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  • Sorptive behavior of nitro-PAHs in street runoff and their potential as indicators of diesel vehicle exhaust particles Peer-reviewed

    Michio Murakami, Junya Yamada, Hidetoshi Kumata, Hideshige Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY42 ( 4 ) 1144 - 1150   2 2008

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    DOI: 10.1021/es071904o

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  • Sources of, and factors influencing groundwater contamination in the Tokyo metropolitan area Peer-reviewed

    K. Kuroda, T. Fukushi, S. Takizawa, M. Murakami, H. Takada, N. Nakada, M. Aichi, T. Hayashi, T. Tokunaga

    IAHS-AISH Publication ( 324 ) 16 - 23   2008

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  • Distribution of polycyclic aromatic hydrocarbons (PAHs) and phenolic endocrine disrupting chemicals in south and southeast Asian mussels Peer-reviewed

    Tomohiko Isobe, Hideshige Takada, Miki Kanai, Shinobu Tsutsumi, Kei O. Isobe, Ruchaya Boonyatumanond, Mohamad Pauzi Zakaria

    ENVIRONMENTAL MONITORING AND ASSESSMENT135 ( 1-3 ) 423 - 440   12 2007

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    DOI: 10.1007/s10661-007-9661-y

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  • Distribution and fluxes of fluorescent whitening agents discharged from domestic wastewater into small rivers with seasonal changes of flow rates Peer-reviewed

    Kazuhide Hayakawa, Ryouji Okumura, Hiroki Yamamoto, Manabu Fujiwara, Nobuhisa Yamaji, Hideshige Takada, Masakazu Kanematsu, Yoshihisa Shimizu

    LIMNOLOGY8 ( 3 ) 251 - 259   12 2007

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    DOI: 10.1007/s10201-007-0220-6

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  • Distribution of macrolides, sulfonamides, and trimethoprim in tropical waters: Ubiquitous occurrence of veterinary antibiotics in the Mekong Delta Peer-reviewed

    Satoshi Managaki, Ayako Murata, Hideshige Takada, Bui Cach Tuyen, Nguyen H. Chiem

    ENVIRONMENTAL SCIENCE & TECHNOLOGY41 ( 23 ) 8004 - 8010   12 2007

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    DOI: 10.1021/es0709021

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  • Removal of selected pharmaceuticals and personal care products (PPCPs) and endocrine-disrupting chemicals (EDCs) during sand filtration and ozonation at a municipal sewage treatment plant Peer-reviewed

    Norihide Nakada, Hiroyuki Shinohara, Ayako Murata, Kentaro Kiri, Satoshi Managaki, Nobuyuki Sato, Hideshige Takada

    WATER RESEARCH41 ( 19 ) 4373 - 4382   11 2007

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    DOI: 10.1016/j.watres.2007.06.038

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  • Mesocosm studies on phytoplankton community succession after inputs of the water-soluble fraction of Bunker A oil. Peer-reviewed

    Hideaki NOMURA, Keita TOYODA, Mihoko YAMADA, Ken OKAMOTO, Minoru WADA, Masahiko NISHIMURA, Akihiro YOSHIDA, Akira SHIBATA, Hideshige TAKADA, Kouichi OHWADA

    La mer45   105 - 116   11 2007

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  • Sources of polycyclic aromatic hydrocarbons (PAHs) in street dust in a tropical Asian mega-city, Bangkok, Thailand Peer-reviewed

    Ruchaya Boonyatumanond, Michio Murakami, Gullaya Wattayakorn, Ayako Togo, Hideshige Takada

    SCIENCE OF THE TOTAL ENVIRONMENT384 ( 1-3 ) 420 - 432   10 2007

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    DOI: 10.1016/j.scitotenv.2007.06.046

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  • Evaluation of noninvasive approach for monitoring PCB pollution of seabirds using preen gland oil Peer-reviewed

    Rei Yamashita, Hideshige Takada, Michio Murakami, Masa-Aki Fukuwaka, Yutaka Watanuki

    ENVIRONMENTAL SCIENCE & TECHNOLOGY41 ( 14 ) 4901 - 4906   7 2007

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    DOI: 10.1021/es0701863

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  • Asian mussel watch program: Contamination status of polyhrominated diphenyl ethers and organochlorines in coastal waters of Asian countries Peer-reviewed

    Karri Ramu, Natsuko Kajiwara, Agus Sudaryanto, Tomohiko Isobe, Shin Takahashi, Annamalai Subramanian, Daisuke Ueno, Gene J. Zheng, Paul K. S. Lam, Hideshige Takada, Mohamad Pauzi Zakaria, Pham Hung Viet, Maricar Prudente, Touch Seang Tana, Shinsuke Tanabe

    ENVIRONMENTAL SCIENCE & TECHNOLOGY41 ( 13 ) 4580 - 4586   7 2007

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    DOI: 10.1021/es070380p

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  • Chemical and optical properties of 2003 Siberian forest fire smoke observed at the summit of Mt. Fuji, Japan Peer-reviewed

    Naoki Kaneyasu, Yasuhito Igarashi, Yousuke Sawa, Hiroshi Takahashi, Hideshige Takada, Hidetoshi Kumata, Robert Hoeller

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES112 ( D13 ) D13214, dio:10   7 2007

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    DOI: 10.1029/2007JD008544

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  • Reconstruction of pollution history of organic contaminants in the upper Gulf of Thailand by using sediment cores: First report from Tropical Asia Core (TACO) project Peer-reviewed

    Ruchaya Boonyatumanond, Gullaya Wattayakorn, Atsuko Amano, Yoshio Inouchi, Hideshige Takada

    MARINE POLLUTION BULLETIN54 ( 5 ) 554 - 565   5 2007

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    DOI: 10.1016/j.marpolbul.2006.12.007

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  • Case Study. Oil Spills in the Strait of Malacca, Malaysia Peer-reviewed

    Mohamad Pauzi Zakaria, Hideshige Takada

    Oil Spill Environmental Forensics   489 - 504   2007

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    DOI: 10.1016/B978-012369523-9.50020-3

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  • Phytoplankton community succession after inputs of oil or oil-dispersant mixture into enclosed marine ecosystems, mesocosms

    Nomura1 H, Toyoda K, Yamada M, Okamoto K, Wada M, Nishimura M, Yoshida A, Shibata A, Takada H, Ohwada K

    La mer45   105 - 116   2007

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  • Carp (Cyprinus carpio) Vitellogenin : Characterization of yolk proteins, development of immunoassays and use as biomarker of exposure to environmental estrogens. Peer-reviewed

    Hara, A, Hirano, K, Shimizu, M, Fukuda, H, Fujita, T, Ito, F, Takada, H, Nakamura, M, Iguchi, T

    Environmental Sciences14 ( 14 ) 95 - 108   1 2007

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  • Water quality management in the lower stretch of the river Ganges, east coast of India: an approach through environmental education Peer-reviewed

    Santosh Kumar Sarkar, Mahua Saha, Hideshige Takada, Asokkumar Bhattacharya, Pravakar Mishra, Badal Bhattacharya

    JOURNAL OF CLEANER PRODUCTION15 ( 16 ) 1559 - 1567   2007

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    DOI: 10.1016/j.jclepro.2006.07.030

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  • Correlations of asthma mortality with traffic-related factors: Use of catalytic converters and radial tires Peer-reviewed

    Thomas F. Dorsey, Arthur L. Lafleur, Hidetoshi Kumata, Hideshige Takada, Pablo Herrero-Jimenez, William G. Thilly

    JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE48 ( 12 ) 1321 - 1327   12 2006

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    DOI: 10.1097/01.jom.0000236402.08284.15

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  • Horizontal distribution of steroid estrogens in surface sediments in Tokyo Bay Peer-reviewed

    Tomohiko Isobe, Shigeko Serizawa, Toshihiro Horiguchi, Yasuyuki Shibata, Satoshi Managaki, Hideshige Takada, Masatoshi Morita, Hiroaki Shiraishi

    ENVIRONMENTAL POLLUTION144 ( 2 ) 632 - 638   11 2006

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    DOI: 10.1016/j.envpol.2006.01.030

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  • Pharmaceutical chemicals and endocrine disrupters in municipal wastewater in Tokyo and their removal during activated sludge treatment Peer-reviewed

    Norihide Nakada, Toshikatsu Tanishima, Hiroyuki Shinohara, Kentaro Kiri, Hideshige Takada

    WATER RESEARCH40 ( 17 ) 3297 - 3303   10 2006

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    DOI: 10.1016/j.watres.2006.06.039

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  • Distribution and origins of polycyclic aromatic hydrocarbons (PAHs) in riverine, estuarine, and marine sediments in Thailand Peer-reviewed

    Ruchaya Boonyatumanond, Gullaya Wattayakorn, Ayako Togo, Hideshige Takada

    MARINE POLLUTION BULLETIN52 ( 8 ) 942 - 956   8 2006

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    DOI: 10.1016/j.marpolbul.2005.12.015

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  • Three-dimensional distributions of sewage markers in Tokyo Bay water - fluorescent whitening agents (FWAs) Peer-reviewed

    S Managaki, H Takada, DM Kim, T Horiguchi, H Shiraishi

    MARINE POLLUTION BULLETIN52 ( 3 ) 281 - 292   3 2006

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    DOI: 10.1016/j.marpolbul.2005.08.025

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  • Microbial responses using denaturing gradient gel electrophoresis to oil and chemical dispersant in enclosed ecosystems Peer-reviewed

    A Yoshida, H Nomura, K Toyoda, T Nishino, Y Seo, M Yamada, M Nishimura, M Wada, K Okamoto, A Shibata, H Takada, K Kogure, K Ohwada

    MARINE POLLUTION BULLETIN52 ( 1 ) 89 - 95   1 2006

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    DOI: 10.1016/j.marpolbul.2005.08.015

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  • 土壌浸透過程における水溶性微量有機物質の除去 Peer-reviewed

    篠原裕之, 村上道夫, 真名垣聡, 小嶋早和香, 高田秀重, 佐藤修之, 鈴木穣, 中田典秀

    環境科学会誌 ( 19 ) 435 - 444   1 2006

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    DOI: 10.11353/sesj1988.19.435

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  • Mesocosm experiment on the succession of microbial community in response to oil contamination to coastal seawater Peer-reviewed

    Nishimura, M, Yoshida, A, Toyoda, K, Yamada, M, Nomura, H, Wada, M, Okamoto, K, Shibata, A, Takada, H, Ohwada, K

    La mer ( 44 ) 59 - 65   1 2006

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  • Concentration of polychlorinated biphenyls (PCBs) in beached resin pellets: Variability among individual particles and regional differences Peer-reviewed

    S Endo, R Takizawa, K Okuda, H Takada, K Chiba, H Kanehiro, H Ogi, R Yamashita, T Date

    MARINE POLLUTION BULLETIN50 ( 10 ) 1103 - 1114   10 2005

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    DOI: 10.1016/j.marpolbul.2005.04.030

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  • Fluorescent whitening agents in Tokyo Bay sediments: Molecular evidence of lateral transport of land-derived particulate matter Peer-reviewed

    Satoshi Managaki, Hideshige Takada

    Marine Chemistry95 ( 1-2 ) 113 - 127   2 5 2005

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    DOI: 10.1016/j.marchem.2004.08.007

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  • Trophic Interactions among Marine Microbes in Oil-contaminated Seawater on a Mesocosmic Scale Peer-reviewed

    Keita Toyoda, Akira Shibata, Minoru Wada, Masahiko Nishimura, Hideaki Nomura, Akihiro Yoshida, Ken Okamoto, Mihoko Yamada, Hideshige Takada, Kazuhiro Kogure, Kouichi Ohwada

    Microbes and Environments20 ( 2 ) 104 - 109   2005

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    DOI: 10.1264/jsme2.20.104

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  • 高速液体クロマトグラフィー質量分析計による直鎖アルキルベンゼンスルホン酸塩および分解産物の分析方法の開発と環境試料への応用 Peer-reviewed

    真名垣聡, 小嶋早和香, 原田新, 中田典秀, 田中宏明, 高田秀重

    水環境学会誌28 ( 28 ) 621 - 628   1 2005

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    A method was developed for the simultaneous trace analysis of linear alkylbenzene sulfonate(LAS) and their biodegradation intermediates, sulfophenyl carboxylates (SPC), in sewage effluent and river water. Sensitive determination using a liquid chromatograph equipped with a tandem mass spectrometer (LC-MS/MS) following solid-phase extraction was employed. The analytical method was applied to study the behavior of LAS and SPC during sewage treatment. SPC concentration (sum of C5-C13 SPC: 80μg·l-1) in secondary effluent was 2.5 times higher than that in raw sewage (30μg·l-1), whereas very high levels of removal (99.2%) of LAS (sum of C10-C14 LAS) was observed during the secondary treatments. This suggests the formation of SPC by biodegradation of LAS during sewage treatment. Broad-spectrum monitoring of synthetic-detergent-derived compounds including LAS, SPC and fluorescent whitening agents (FWAs; DSBP and DAS1) was conducted for 20 representative Japanese rivers. LAS, SPC, and FWAs were widely distributed in the river water at concentrations in the range of 0.2-63μg·l-1, 0.02-68μg·l-1, and 0.013-4.55μg·l-1, respectively. Higher concentrations of the detergent-derived pollutants were observed in urban rivers which have larger populations in their catchment areas. In many rivers, SPC concentrations were higher than those of LAS, suggesting that SPC should be considered in the risk assessment of LAS.

    DOI: 10.2965/jswe.28.621

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  • New directions in plastic debris. Peer-reviewed

    Thompson, R, Moore, C, Andrady, A, Gregory, M, Takada, H, Weisberg, S

    Science ( 310 ) 1117   1 2005

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  • Identification of estrogenic compounds in wastewater effluent Peer-reviewed

    Norihide Nakada, Hiroshi Nyunoya, Masaru Nakamura, Akihiko Hara, Taisen Iguchi, Hideshige Takada

    Environmental Toxicology and Chemistry23 ( 12 ) 2807 - 2815   12 2004

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    DOI: 10.1897/03-699.1

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  • Compound-specific radiocarbon analysis of polycyclic aromatic hydrocarbons (PAHs) in sediments from an urban reservoir Peer-reviewed

    H Kanke, M Uchida, T Okuda, M Yoneda, H Takada, Y Shibata, M Morita

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS223   545 - 554   8 2004

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    DOI: 10.1016/j.nimb.2004.04.102

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  • Seasonal variations of sulfate, carbonaceous species (black carbon and PAHs), and trace metals in fine atmospheric aerosols collected at subtropical islands in the East China Sea Peer-reviewed

    Naoki Kaneyasu, Hideshige Takada

    Journal of Geophysical Research - Atmospheres109   D6   5 2004

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  • Distribution of linear alkylbenzenes (LABs) in riverine and coastal environments in South and Southeast Asia Peer-reviewed

    KO Isobe, MP Zakaria, NH Chiem, LY Minh, M Prudente, R Boonyatumanond, M Saha, S Sarkar, H Takada

    WATER RESEARCH38 ( 9 ) 2449 - 2459   5 2004

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    DOI: 10.1016/j.watres.2004.02.009

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  • Numerical simulation of organic chemicals in a marine environment using a coupled 3D hydrodynamic and ecotoxicological model Peer-reviewed

    DM Kim, N Nakada, T Horiguchi, H Takada, H Shiraishi, O Nakasugi

    MARINE POLLUTION BULLETIN48 ( 7-8 ) 671 - 678   4 2004

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    DOI: 10.1016/j.marpolbul.2003.10.010

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  • Determination of degradation products of alkylphenol polyethoxylates in municipal wastewaters and rivers in Tokyo, Japan Peer-reviewed

    T Isobe, H Takada

    ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY23 ( 3 ) 599 - 605   3 2004

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    DOI: 10.1897/03-263

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  • Effect of environmental factors on the relationship between concentrations of coprostanol and fecal indicator bacteria in tropical (Mekong delta) and temperate (Tokyo) freshwaters Peer-reviewed

    KO Isobe, M Tarao, NH Chiem, LY Minh, H Takada

    APPLIED AND ENVIRONMENTAL MICROBIOLOGY70 ( 2 ) 814 - 821   2 2004

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    DOI: 10.1128/AEM.70.2.814-821.2004

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  • Chemical contaminats in the hugli estuary: Its implication on monitoring

    Santosh Kumar Sarkar, Pravakar Mishra, Hideshige Takada

    Asian and Pacific Coasts, 2003 - Proceedings of the 2nd International Conference   2004

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    DOI: 10.1142/9789812703040_0110

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  • Molecular composition and compound-specific stable carbon isotope ratio of polycyclic aromatic hydrocarbons (PAHs) in the atmosphere in suburban areas Peer-reviewed

    T Okuda, H Kumata, H Naraoka, H Takada

    GEOCHEMICAL JOURNAL38 ( 1 ) 89 - 100   2004

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    DOI: 10.2343/geochemj.38.89

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  • Source apportioning of sedimentary PAHs in an urban reservoir by combined compound-specific radiocarbon analysis and petroleum-biomarker analysis Peer-reviewed

    H Kanke, M Uchida, T Okuda, H Takada, M Yoneda, Y Shibata

    GEOCHIMICA ET COSMOCHIMICA ACTA67 ( 18 ) A200 - A200   9 2003

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  • Study of the effect of water-soluble fractions of heavy-oil on coastal marine organisms using enclosed ecosystems, mesocosms Peer-reviewed

    K Ohwada, M Nishimura, M Wada, H Nomura, A Shibata, K Okamoto, K Toyoda, A Yoshida, H Takada, M Yamada

    MARINE POLLUTION BULLETIN47 ( 1-6 ) 78 - 84   2003

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    DOI: 10.1016/S0025-326X(03)00112-7

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  • Study on the fate of petroleum-derived polycyclic aromatic hydrocarbons (PAHs) and the effect of chemical dispersant using an enclosed ecosystem, mesocosm Peer-reviewed

    M Yamada, H Takada, K Toyoda, A Yoshida, A Shibata, H Nomura, M Wada, M Nishimura, K Okamoto, K Ohwada

    MARINE POLLUTION BULLETIN47 ( 1-6 ) 105 - 113   2003

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    DOI: 10.1016/S0025-326X(03)00102-4

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  • Thermodynamic behavior of stable carbon isotopic compositions of individual polycyclic aromatic hydrocarbons derived from automobiles Peer-reviewed

    T Okuda, H Takada, H Naraoka

    POLYCYCLIC AROMATIC COMPOUNDS23 ( 2 ) 219 - 236   2003

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    DOI: 10.1080/10406630308060

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  • 重油の微量水溶性画分が沿岸生態系に与える影響に関するメソコスム実験

    大和田紘一, 西村昌彦, 和田実, 野村英明, 柴田晃, 岡本研, 豊田圭太, 吉田明弘, 高田秀重, 山田美穂子

    月刊海洋35 ( 35 ) 113 - 119   2003

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  • 医薬品による環境汚染

    高田秀重, 谷島利勝

    医学のあゆみ205   159 - 160   2003

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  • 海岸漂着プラスチック粒(レジンペレット)中の有機汚染物質-汚染物質含有量の地域差と樹脂種による相違-、、、vol.15, p., 2002. Peer-reviewed

    著者, 間藤ゆき枝, 高田秀重, モハマド パウジ ザカリア, 栗山雄司, 兼広春之

    環境科学会誌   12 2002

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    DOI: 10.11353/sesj1988.15.415

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  • プラスチック製食器等からのノニルフェノールの溶出 Peer-reviewed

    著者, 磯部友彦, 中田典秀, 間藤ゆき枝, 西山肇, 熊田英峰, 高田秀重

    環境化学12 ( 3 ) 621 - 625   9 2002

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    Nonylphenol (NP), a suspected endocrine disrupting chemical, is widely used as additive of plastics as well as raw materials of surfactants. In this study, migration of NP from plastic tableware and food containers to fatty food simulants, <I>n</I>-heptane, was examined. Migration test was performed using <I>n</I>-heptane under 25°C for 1-h, and NP was quantified by GC/MS. NP was detected from 16 food-contact plastics out of 50 tested samples. Especially high amounts of NP more than one order of magnitude higher than limit of detection, were released from 5 samples (21-2485 ng/cm<SUP>2</SUP>), i.e., disposable cup, dish, and cap of food container made of polystyrene or polypropylene.

    DOI: 10.5985/jec.12.621

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  • Fluorescent whitening agents in Tokyo Bay and adjacent rivers: Their application as anthropogenic molecular markers in coastal environments Peer-reviewed

    Y Hayashi, S Managaki, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY36 ( 16 ) 3556 - 3563   8 2002

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  • Distribution of polycyclic aromatic hydrocarbons (PAHs) in rivers and estuaries in Malaysia: A widespread input of petrogenic PAHs Peer-reviewed

    MP Zakaria, H Takada, S Tsutsumi, K Ohno, J Yamada, E Kouno, H Kumata

    ENVIRONMENTAL SCIENCE & TECHNOLOGY36 ( 9 ) 1907 - 1918   5 2002

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    DOI: 10.1021/es011278+

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  • Identification of polychlorinated dibenzo-p-dioxin, dibenzofuran, and coplanar polychlorinated biphenyl sources in Tokyo Bay, Japan Peer-reviewed

    Y Yao, S Masunaga, H Takada, J Nakanishi

    ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY21 ( 5 ) 991 - 998   5 2002

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    DOI: 10.1002/etc.5620210514

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  • Compound-specific stable carbon isotopic compositions of polycyclic aromatic hydrocarbons (PAHs) in environmental samples - future per- spectives for multi-isotope analysis

    奥田知明, 高田秀重, 奈良岡浩

    Proceedings of 1st International Sym- posium on Isotopomers (ISI2001)   3 2002

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    PAHsに関する最新の研究の提言として、炭素・水素安定同位体比を用いた研究の可能性について論述している。

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  • Source identification of Malaysian atmospheric polycyclic aromatic hydrocarbons nearby forest fires using molecular and isotopic compositions Peer-reviewed

    T Okuda, H Kumata, MP Zakaria, H Naraoka, R Ishiwatari, H Takada

    ATMOSPHERIC ENVIRONMENT36 ( 4 ) 611 - 618   2 2002

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  • Benzothiazolamines as tire-derived molecular markers: Sorptive behavior in street runoff and application to source apportioning Peer-reviewed

    H Kumata, J Yamada, K Masuda, H Takada, Y Sato, T Sakurai, K Fujiwara

    ENVIRONMENTAL SCIENCE & TECHNOLOGY36 ( 4 ) 702 - 708   2 2002

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    DOI: 10.1021/es0155229

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  • Compound-specific radiocarbon analysis of individual polycyclic aromatic hydrocarbons in the sediment core sample from an urban reservoir Peer-reviewed

    Kanke Hirohide, Uchida Masao, Okuda Tomoaki, Takada Hideshige, Yoneda Minoru, Shibata Yasuyuki, Morita Masatoshi

    Abstracts of Annual Meeting of the Geochemical Society of Japan49 ( 0 ) 150 - 150   2002

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    Publisher:GEOCHEMICAL SOCIETY OF JAPAN  

    DOI: 10.14862/geochemproc.49.0.150.0

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  • 琵琶湖における人工有機化合物-蛍光増白剤-の挙動解明

    山路 修久, 早川 和秀, 横田 喜一郎, 高田 秀重

    日本陸水学会 講演要旨集68   151 - 151   2002

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    DOI: 10.14903/jslim.68.0.151.0

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  • Monitoring of Potential Hazardousness using Molecular Markers

    TAKADA Hideshige

    Proceedings of General Assembly of The Japanese Society of Limnology68   45 - 45   2002

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    DOI: 10.14903/jslim.68.0.45.0

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  • Source identification of Malaysian atmospheric polycyclic aromatic hydrocarbons nearby forest fires using molecular and isotopic compositions Peer-reviewed

    Tomoaki Okuda, Hidetoshi Kumata, Mohamad Pauzi Zakaria, Hiroshi Naraoka, Ryoshi Ishiwatari, Hideshige Takada

    Atmospheric Environment36 ( 4 ) 611 - 618   2002

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    DOI: 10.1016/S1352-2310(01)00506-4

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  • Plastic pellets in the marine environment of Tokyo Bay and Sagami Bay Peer-reviewed

    Yuji Kuriyama, Kazumi Konishi, Haruyuki Kanehiro, Chiyoko Otake, Tsuguchika Kaminuma, Yukie Mato, Hideshige Takada, Azusa Kojima

    Nippon Suisan Gakkaishi (Japanese Edition)68 ( 2 ) 164 - 171   2002

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    DOI: 10.2331/suisan.68.164

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  • Vertical distributions and delta C-13 isotopic compositions of PAHs in Chidorigafuchi Moat sediment, Japan Peer-reviewed

    T Okuda, H Kumata, H Naraoka, R Ishiwatari, H Takada

    ORGANIC GEOCHEMISTRY33 ( 7 ) 843 - 848   2002

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    DOI: 10.1016/S0146-6380(02)00031-1

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  • Accumulation and potential dissolution of Chernobyl-derived radionuclides in river bottom sediment Peer-reviewed

    Yukihisa Sanada, Takeshi Matsunaga, Nobuyuki Yanase, Seiya Nagao, Hikaru Amano, Hideshige Takada, Yuri Tkachenko

    Applied Radiation and Isotopes56 ( 5 ) 751 - 760   2002

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    DOI: 10.1016/S0969-8043(01)00274-3

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  • Alkylbenzenes in mussels from South and South East Asian coasts as a molecular tool to assess sewage impact Peer-reviewed

    S Tsutsumi, Y Yamaguchi, Nishida, I, K Akiyama, MP Zakaria, H Takada

    MARINE POLLUTION BULLETIN45 ( 1-12 ) 325 - 331   2002

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    DOI: 10.1016/S0025-326X(02)00151-0

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  • Origin of atmospheric polycyclic aromatic hydrocarbons (PAHs) in Chinese cities solved by compound-specific stable carbon isotopic analyses Peer-reviewed

    T Okuda, H Kumata, H Naraoka, H Takada

    ORGANIC GEOCHEMISTRY33 ( 12 ) 1737 - 1745   2002

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    DOI: 10.1016/S0146-6380(02)00180-8

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  • Quantitative application of fecal sterols using GC-MS to investigate fecal pollution in tropical waters: western Malaysia and Mekong Delta, Vietnam., Environ. Sci. Technol., vol.36, p., 2002. Peer-reviewed

    著者:Kei O. Isobe, Mitsunori Tarao, Mohamad, P. Zakaria, Nguyen H. Chiem, Le Y. Minh, Hideshige Takada

    Environmental Science and Technology(アメリカ化学会)   2002

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  • Compound-specific stable carbon isotopic compositions of atmospheric polycyclic aromatic hydrocarbons(PAHs) in Chinese cities Peer-reviewed

    奥田知明, 熊田英峰, 奈良岡浩, 高田秀重

    20th International Meeting on Organic Geochemistry (IMOG2001)   9 2001

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    中国における大気浮遊粒子中のPAHsの安定炭素同位体比を報告している。杭州・重慶といった都市では石炭燃焼由来PAHsの寄与が大きく、北京では自動車由来PAHsの寄与が大きいと結論づけている。

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  • 東京湾のダイオキシン汚染:組成と汚染源推定 Peer-reviewed

    著者, 益永 茂樹, 姚 元, 高田 秀重, 桜井 健郎, 中西 準子

    地球化学35 ( 4 ) 159 - 168   8 2001

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    On the basis of the congener-specific analysis of dioxins in a dated sediment core, surface sediment, and soil samples, the sources and mass balance of dioxins in Tokyo Bay basin, Japan, were estimated. The dioxins in the sediment core showed that their deposition in the bay increased rapidly during the 1960s, peaked in the early 1970s and then decreased gradually. Principal component analysis of the congener-specific data showed that three major sources existed: combustion, pentachlorophenol (PCP), and chloronitrophen (CNP). PCP and CNP are paddy field herbicides used extensively in Japan in the past. The time trends of source contributions were estimated by multiple regression analysis using the source congener profiles. The results revealed that dioxin emission from PCP and CNP herbicides was high in the 1960s and the early 1970s, respectively. The total contribution in terms of TEQ from the two herbicides was at their maximum of 70% in the 1970s and decreased thereafter. Their contribution, however, was as high as 50% in recent sediment, indicating that dioxins sprayed as herbicide impurity were still remaining in terrestrial soil and river sediment of the basin and running off gradually.

    DOI: 10.14934/chikyukagaku.35.159

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  • Distribution and behavior of nonylphenol, octylphenol and nonylphenol monoethoxylate in okyo metropolitan area: Their association with aquatic particles and sedimentary distributions Peer-reviewed

    T Isobe, H Nishiyama, A Nakashima, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY35 ( 6 ) 1041 - 1049   3 2001

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    DOI: 10.1021/es001250i

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  • Plastic resin pellets as a transport medium for toxic chemicals in the marine environment Peer-reviewed

    Y Mato, T Isobe, H Takada, H Kanehiro, C Ohtake, T Kaminuma

    ENVIRONMENTAL SCIENCE & TECHNOLOGY35 ( 2 ) 318 - 324   1 2001

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    DOI: 10.1021/es0010498

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  • Polycyclic aromatic hydrocarbon (PAHs) and hopanes in stranded tar-balls on the coasts of Peninsular Malaysia: Applications of biomarkers for identifying sources of oil pollution Peer-reviewed

    Mohamad Pauzi Zakaria, Tomoaki Okuda, Hideshige Takada

    Marine Pollution Bulletin42 ( 12 ) 1357 - 1366   2001

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    DOI: 10.1016/S0025-326X(01)00165-5

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  • 東アジアのエアロゾルの有機地球化学的特徴

    森永茂生, 熊田英峰, 奥田知明, M.P. Zakaria, 高田秀重

    エアロゾル研究15巻 ( 4号 ) 313-320   12 2000

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    物質輸送や気候変動に大きな役割を果たしている有機エアロゾルの起源推定を、PAHsと脂肪酸という有機化合物群を指標として考察している。

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  • PCDDs, PCDFs and Co-PCBs in Tokyo Bay: Sources and Contribution

    YAO Y.

    Organohalogen Compounds46   491-494 - 494   9 2000

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  • 中国,日本,マレーシアのエアロゾル中の多環式芳香族炭化水素組成 Peer-reviewed

    著者, 熊田英峰, 高田秀重, パウジ モハマド ザカリア

    Researches in Organic Geochemistry15   13 - 25   6 2000

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  • Oil pollution in the Straits of Malacca, Malaysia: Application of molecular markers for source identification Peer-reviewed

    MP Zakaria, A Horinouchi, S Tsutsumi, H Takada, S Tanabe, A Ismail

    ENVIRONMENTAL SCIENCE & TECHNOLOGY34 ( 7 ) 1189 - 1196   4 2000

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    DOI: 10.1021/es990950o

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  • Application of Biomarkers for Source Identification of Oil Pollution in The Straits of Malacca, Malaysia. Peer-reviewed

    著者, Zakaria, M.P, H. Takada, A. Horinouchi, S. Tanabe, A. Ismail。

    Environmental Science and Technology(アメリカ化学会)   4 2000

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  • 東京湾柱状堆積物中の環境ホルモンの鉛直分布 Peer-reviewed

    著者, 奥田 啓司, 高田 秀重, 中田 典秀, 西山 肇, 磯部 友彦, 佐藤 太。

    沿岸海洋研究   3 2000

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  • Intercalibration of LABs in marine sediment SRM1941a and their application as a molecular marker in Narragansett Bay sediments Peer-reviewed

    PC Hartmann, JG Quinn, JW King, S Tsutsumi, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY34 ( 5 ) 900 - 906   3 2000

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    DOI: 10.1021/es990798q

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  • Endocrine Disruptors in a Sediment Core Collected from Tokyo Bay : The Historical Trends during the Past 50 Years(Symposium: Behaviour of Endocrine Disrupting Chemicals in Coastal Environments)

    Okuda Keiji, Nakada Norihide, Isobe Tomohiko, Nishiyama Hajime, Sanada Yukihisa, Sato Futoshi, Takada Hideshige

    Bulletin on coastal oceanography37 ( 2 ) 97 - 106   25 2 2000

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    The present study examined the historical trends of PCBs, coplanar PCBs, DDE, polycyclic aromatic hydrocarbons (PAHs), alkylphenols (APs), bisphenol A(BPA), and phthalic acid esters (PAEs) pollution in Tokyo Bay during the past 50 years through their determinations in a sediment core collected in this bay. All the contaminants rapidly increased in their concentrations in the sediment layer corresponding to 1960s reflecting their drastic increase in production and usage, while no or trace contamination was observed in the deeper section (i.e. 1950s or before). PCBs, DDE, PAHs, and APs showed a maximum concentration in layers around 1970, after which their concentrations decreased toward the sediment-water interface. The declining patern can be ascribed to the ban of production and usage of PCBs and DDT and the emission regulation on industrial wastewater and atmospheric pollutants. The contamination levels of BPA and PAEs in the sediment showed increasing trend toward upper layer with no peak around 1970, corresponding to their production. This can be explained by the continuous input of BPA and PAEs to the bay via non-regulated routes like urban run-off because of their release from the plastics widely distributed in the catchment. The vertical profile of coplanar PCBs in the sediment well correlated with that of non-planar PCBs, indicating that major source of coplanar PCBs in the sediment core is commercial PCBs products used in 1960s. However, the contribution of the municipal waste incineration to the coplanar PCBs in recent sediment was suggested.

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  • Study on the historical record of PCDD/Fs and coplanar PCBs in Tokyo Bay, Japan

    YAO Y.

    Proceedings of the Third International Workshop on Risk Evaluation and Management of Chemicals3   61-69 - 69   1 2000

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  • ムラサキイガイを用いた沿岸海域の微量有機物質汚染のモニタリング-汚染物質の蓄積特性と東京湾への応用- Peer-reviewed

    著者, 山口 友加, 佐藤 太, 秋山 賢一郎, 河野 恵里子, 堤 史薫, 高田 秀重

    地球化学34 ( 1 ) 41 - 57   1 2000

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    Mussel is a biomonitoring media used for "Mussel Watch", national and international monitoring programs of chemical pollution in coastal waters. In the present study, anthropogenic molecular markers (alkylbenzenes, aliphatic hydrocarbons, polycyclic aromatic hydrocarbons, and polychlorinated biphenyls) were determined in soft tissues of mussels collected in Tokyo Bay. Their compositions were compared with those in bottom surface sediments in the same area to discuss the sources and forms of pollutants accumulated in the mussels. The molecular distributions for all the hydrophobic markers in the tissues were shifted toward lower molecular weight compared with those in the sediments, suggesting that mussels uptake pollutants not only from particulate phase but also from dissolved phase. Tetrapropylene-based alkylbenzenes and PCBs, which were used in 1960s and are still preserved in the bottom sediments, were detected in the tissues suggesting mussels accumulate the relict pollutants through resuspension and/or desorption from the bottom sediments. Relative abundance of PCBs to TABs was much higher in mussels than in sediments. These "excess" PCBs relative to TABs suggest recent inputs of PCBs. External LABs isomers were much more depleted in mussels than in the sediments, suggesting that the mussel accumulates pollutants intensively biodegraded probably through municipal wastewater treatments and/or microbial attack in water column. Aliphatic hydrocarbons having weak odd-carbon-predominance and PAHs with abundant alkyl homologues were observed in the tissues. These compositions were different from sedimentary hydrocarbons mainly derived from higher plant wax and combustion products. The differences suggest selective uptake of petroleum hydrocarbons by mussels. For all the pollutants determined, the concentrations were higher in mussels collected from the northern-west parts of Tokyo Bay. This is probably due to that this area is affected by industrial wastewaters from the Keihin industrial complex, domestic wastewaters delivered by rivers running through large cities, and urban runoff. Relatively high concentrations of alkanes and trace concentrations of LABs were observed in mussels collected far from the polluted area, suggesting petroleum pollution from non land-based source (e.g. tankers).

    DOI: 10.14934/chikyukagaku.34.41

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  • Historical trends of N-cyclohexyl-2-benzothiazolamine, 2-(4-morpholinyl)benzothiazole, and other anthropogenic contaminants in the urban reservoir sediment core Peer-reviewed

    H Kumata, Y Sanada, H Takada, T Ueno

    ENVIRONMENTAL SCIENCE & TECHNOLOGY34 ( 2 ) 246 - 253   1 2000

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    DOI: 10.1021/es990738k

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  • Water-particle distribution of hydrophobic micro pollutants in storm water runoff. Peer-reviewed

    H Kumata, K Masuda, J Yamada, H Takada

    POLYCYCLIC AROMATIC COMPOUNDS20 ( 1-4 ) 39 - 54   2000

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  • 東アジアの炭素系エアロゾルの化学的特徴

    森永 茂生, 熊田 英峰, 奥田 知明, Zakaria Mohamad Pauzi, 高田 秀重

    エアロゾル研究15 ( 4 ) p.313 - 320   2000

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    DOI: 10.11203/jar.15.313

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  • 環境汚染化学と地球科学への応用

    高田 秀重

    月刊海洋 vol.32人為起源分子指標32 ( 9 ) p.598 - 605   2000

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  • Will it happen here?

    JP Bardet, D Erten

    CIVIL ENGINEERING69 ( 12 ) 38 - 43   12 1999

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  • The use of pentacyclic triterpanes as biomarkers for source identification of oil pollution in the Straits of Malacca

    Mohamad Pauzi Zakaria, Hideshige Takada, Ai Horinouchi, Shinsuke Tanabe, Ahmad Ismail

    ACS Division of Environmental Chemistry, Preprints39 ( 2 ) 6 - 9   22 8 1999

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  • Broad-spectrum analysis of endocrine disruptors in environmental samples Peer-reviewed

    N Nakada, T Isobe, H Nishiyama, K Okuda, S Tsutsumi, J Yamada, H Kumata, H Takada

    BUNSEKI KAGAKU48 ( 6 ) 535 - 547   6 1999

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  • 環境試料中の内分泌攪乱化学物質の包括的分析 Peer-reviewed

    著者, 中田 典秀, 堤 史薫, 西山 肇, 奥田 啓司, 磯部 友彦, 熊田 英峰, 高田 秀重

    分析化学48 ( 6 ) 535 - 547   6 1999

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    A comprehensive analytical method of endocrine disruptors (i.e., alkylphenols, phthalic acid esters, bisphenol A, polycyclic aromatic hydrocarbons, polychlorinated biphenyls, DDTs) in environmental samples was developed. The method employs Soxhlet-extraction with dichloromethane and two-step-silica-get and activated-charcoal column chromatography, which provides eleven fractions, followed by determination on capillary GC equipped with MSD or ECD. The present method was applied to Tokyo Bay sediments. Most of the target compounds were identified and quantified clearly, demonstrating theapplicability to various environmental samples. Their concentrations are as follows : 4-t-octylphenol: 10.0 ng/g; 4-t-nonylphenol: 184 ng/g; benzyl n-butyl phthalate: 6.12 ng/g; dicyclohexyl phthalate: 2.56 ng/g; bisphenol A: 6.58 ng/g; benz[a]anthracene: 58.1 ng/g; benzo[a]pyrene: 93.7 ng/g; IUPAC#77 coplanar PCB: 0.82 ng/g; DDT: 0.42 ng/g; DDD: 1.00 ng/g; DDE: 1.37 ng/g. This method provides a powerful analytical tool to investigate a wide range of endocrine disruptors in samples of limited quantity.

    DOI: 10.2116/bunsekikagaku.48.535

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    Other Link: http://dl.ndl.go.jp/info:ndljp/pid/10894530

  • GC-MSによる石油成分の詳細分析と炭化水素の環境影響・環境動態 Peer-reviewed

    著者, 堀之内 愛, 堤 史薫, 河野 恵里子, 高田 秀重, モハマド ザカリア パウジ, 乗木 新一郎

    沿岸海洋研究37 ( 1 ) 23 - 34   4 1999

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    Detailed analysis of hydrocarbons demonstrated that Nokhodka cargo oil spilled in the Sea of Japan in 1997 contain two orders of magnitude higher amounts of polycyclic aromatic hydrocarbons including benzo [a] pyrene compared with crude oils used in Japan. Even two years after the oil-spill, more than ~50% of benzo [a] pyrene and some other high-molecular-weight PAHs remain in the shoreline oils, while over 90% of lower-molecular-weight components disappeared. During weathering for two years after the spill, hopane composition was well preserved, indicating their usefulness as source identifier of the petroleum pollution. Analyses of sediment trap samples and offshore (>100m of water depth) sediments showed no indication of significant contribution of the Nakhodka cargo oil to the benthic environments. Hopanes were successfully used for tool to distinguish the source(s) of tar-ball collected on Malaysian coast (i.e. tankers carrying middle-east petroleum vs. domestic petroleum).

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    Other Link: http://dl.ndl.go.jp/info:ndljp/pid/10577845

  • GC-MSを用いたノニルフェノールの分析と東京周辺の水環境中における分布 Peer-reviewed

    著者, 磯部 友彦, 佐藤 正章, 小倉 紀雄, 高田 秀重

    水環境学会誌22 ( 2 ) 118 - 126   2 1999

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    Nonylphenol (NP) is a biodegradation product of nonionic surfactant nonylphenol ethoxylates (NPEO) and has been known as an endocrine disrupting chemical. Analytical method of NP is presented in this paper. The method includes solid phase extraction for aqueous samples or Soxhlet extraction for solid samples and normal-phase column chromatography followed by GC-MS in SIM mode. For 1l water sample, the limit of quantification was 15ng·l-1. This is one to two orders of magnitude more sensitive than the previous methods used for monitoring in Japan. The method was applied to environmental samples (i.e. river waters, sediments, sewage effluents, and biological tissues) to demonstrate distribution and behavior of NP in Tokyo metropolitan area. NP concentrations in the river water range from 0.051 to 1.08 μg·l-1. NP concentration levels were found to be higher in the Sumidagawa River than that of the Tamagawa River. In the river water samples, 5 to 60% of NP existed in particulate phase, indicating a necessity to measure particulate NP for future monitoring. NP was found also in sediments (3.6 to 10.4μg·g-1 dry weight) and mussels (∼0.17 μg·g-1 dry weight). These values were approximately three orders of magnitude higher than those in river water on weight basis, suggesting NP accumulation in these solid media.

    DOI: 10.2965/jswe.22.118

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  • Estimation of sedimentation processes in Tokyo Bay using radionuclides and anthropogenic molecular markers Peer-reviewed

    SANADA Yukihisa, SATO Futoshi, KUMATA Hidetoshi, TAKADA Hideshige, YAMAMOTO Ai, KATO Yoshihisa, UENO Takashi

    Chikyukagaku33 ( 2 ) 123 - 138   1999

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    To estimate the sedimentation rate and to understand the sedimentation processes in Tokyo Bay, vertical distributions of <sup>210</sup>Pb and <sup>137</sup>Cs were determined for two sediment cores (F-2 and F-5) from Tokyo Bay and one from the moat of Imperial Palace for the Tokyo. Molecular stratigraphy was applied to one of the Tokyo Bay sediment cores using polychlorinated biphenyls (PCBs) and linear and tetrapropylene-based alkylbenzenes (LABs and TABs). <sup>210</sup>Pb showed exponential downcore decrease with substantial fluctuation. In the sediment core of the bay (F-2), radiocesium maximum, corresponding to the atmospheric deposition maximum at 1963, was observed. Good agreement between the deposition date estimated using radionuclides (<sup>137</sup>Cs and <sup>210</sup>Pb) and the vertical distributions of PCBs, LABs and TABs, suggests the utility of multiple markers approach for sediment stratigraphy. In the Tokyo Bay sediments, only slight or negligible decrease in <sup>137</sup>Cs activity was observed toward the surface layer where significant amounts of <sup>137</sup>Cs was detected, whereas a sharp peak of <sup>137</sup>Cs were observed for the Moat which has no inflowing rivers. PCBs and TABs, whose productions and usage ceased by early 1970s, decreased gradually to the sediment-water interface in the Tokyo Bay and were found significantly in the surficial sediments. All these markers suggest that riverine and estuarine sediments play a role of a reservoir of the pollutants, that is, particle-reactive pollutants are temporally deposited and stored in riverine and estuarine sediments which are intermittently supplied to Tokyo Bay during flood events with resuspension.

    DOI: 10.14934/chikyukagaku.33.123

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  • 河川におけるノニルフェノール類の濃度測定と分布

    高田 秀重

    ECO INDUSTRY4 ( 2 ) p.32 - 41   1999

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  • 東京湾流出原油の堆積物への移行と残留

    著者, 河野恵里子, 高田秀重

    月刊海洋30   661 - 665   7 1998

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  • 東京湾のPCB分布・堆積モデル Peer-reviewed

    著者, 橋本 俊也, 柳 哲雄, 武岡 英隆, 高田 秀重

    沿岸海洋研究34   111 - 117   6 1998

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  • 川や海を汚染するノニルフェノール

    高田 秀重

    化学53 ( 7 ) p.37 - 39   1998

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  • 河川および海洋環境中のノニルフェノール

    高田 秀重

    海洋と生物20 ( 4 ) p.277 - 282   1998

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  • 水環境中におけるノニルフェノールの挙動と環境影響

    磯部 友彦, 高田 秀重

    水環境学会誌21 ( 4 ) p.203 - 208   1998

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  • 陸域から沿岸海域への物質フラックス Peer-reviewed

    著者, 高田 秀重

    沿岸海洋研究34   111 - 117   4 1997

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  • 2-(4-morpholinyl)benzothiazole as an indicator of tire-wear particles and road dust in the urban environment Peer-reviewed

    H Kumata, H Takada, N Ogura

    MOLECULAR MARKERS IN ENVIRONMENTAL GEOCHEMISTRY671   291 - 305   1997

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    DOI: 10.1021/bk-1997-0671.ch019

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  • 都府県の河川における陰イオン系界面活性剤(MBAS)の分布と高濃度出現特性. Peer-reviewed

    著者, 古武家 善成, 天野 耕二, 荻野 泰夫, 五井 邦宏, 桜木 建二, 高田 秀重

    水環境学会誌19 ( 9 ) 732 - 740   9 1996

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    In order to grasp the nationwide river pollution by synthetic detergents and surfactants, monitoring data of MBAS (Methylene Blue Active Substances), an indicator of anionic type sharing a major part of surfactant production, were analyzed statistically at 957 river monitoring stations of nine prefectures in Japan.Average MBAS concentrations during 1985-89 indicated the log-normal distribution with 35% of low level below 0.1mg·l-1, 49% of middle level between 0.1 and 1mg·l-1 and 15% of high level above 1mg·l-1.The testings for the variation of MBAS concentration during 1980's at each monitoring station showed that the variations for about half of the stations were statistically significant in each of three prefectures, Saitama, Tokyo and Hyogo, where trends of variations were relatively similar at each concentration level.From the analysis of MBAS data in rivers of Kinki Region in 1989, the percentage of monitoring station with high concentration appearing for three months or more was estimated to be 20% and 60% in case of MBAS exceeding 1mg·l-1 and 0.1mg·l-1, respectively. In the estimation by average BOD, these percetages grew high as the level or average BOD increased.

    DOI: 10.2965/jswe.19.732

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  • Determination of 2-(4-morpholinyl)benzothiazole in environmental samples by a gas chromatograph equipped with a flame photometric detector Peer-reviewed

    H Kumata, H Takada, N Ogura

    ANALYTICAL CHEMISTRY68 ( 11 ) 1976 - 1981   6 1996

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    DOI: 10.1021/ac9511556

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  • 2-(4-morpholinyl)benzothiazole as a molecular marker of street runoff and street dust analytical method and environmental distribution

    Hidetoshi Kumata, Hideshige Takada, Norio Ogura

    ACS Division of Environmental Chemistry, Preprints36 ( 2 ) 183 - 185   1996

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  • 我が国の海洋環境問題の新たな局面:流入負荷の質的量的変化 Peer-reviewed

    著者, 小倉 紀雄, 高田 秀重

    沿岸海洋研究ノート22   121 - 125   2 1995

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  • MOLECULAR MARKERS IN TOKYO BAY SEDIMENTS - SOURCES AND DISTRIBUTION Peer-reviewed

    N CHALAUX, H TAKADA, JM BAYONA

    MARINE ENVIRONMENTAL RESEARCH40 ( 1 ) 77 - 92   1995

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    DOI: 10.1016/0141-1136(95)90001-8

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  • Linear Alkylbenzenesulfonates (LAS) Pollution in Headwaters Caused by Wastewater Discharge from Campgrounds Peer-reviewed

    Hideshige Takada, Akira Takahashi, Norio Ogura

    Japanese Journal of Limnology56 ( 1 ) 39 - 44   1995

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    DOI: 10.3739/rikusui.56.39

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  • 日本の水環境の合成洗剤汚染

    高田 秀重

    水情報15   p.3 - 6   1995

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  • 海洋環境を考える-海洋環境問題の変遷と課題 Peer-reviewed

    著者, 高田秀重, 編集者, 日本海洋学

    (株)恒星社厚生閣   11 1994

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  • RAPID REMOVAL OF LINEAR ALKYLBENZENESULFONATES (LAS) BY ATTACHED BIOFILM IN AN URBAN SHALLOW STREAM Peer-reviewed

    H TAKADA, K MUTOH, N TOMITA, T MIYADZU, N OGUR

    WATER RESEARCH28 ( 9 ) 1953 - 1960   9 1994

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    DOI: 10.1016/0043-1354(94)90170-8

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  • TRANSPORT OF SLUDGE-DERIVED ORGANIC POLLUTANTS TO DEEP-SEA SEDIMENTS AT DEEP-WATER DUMP SITE-106 Peer-reviewed

    H TAKADA, JW FARRINGTON, MH BOTHNER, CG JOHNSON, BW TRIPP

    ENVIRONMENTAL SCIENCE & TECHNOLOGY28 ( 6 ) 1062 - 1072   6 1994

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    DOI: 10.1021/es00055a015

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  • SEWAGE CONTAMINATION IN SEDIMENTS BENEATH A DEEP-OCEAN DUMP SITE OFF NEW-YORK Peer-reviewed

    MH BOTHNER, H TAKADA, IT KNIGHT, RT HILL, B BUTMAN, JW FARRINGTON, RR COLWELL, JF GRASSLE

    MARINE ENVIRONMENTAL RESEARCH38 ( 1 ) 43 - 59   1994

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    DOI: 10.1016/0141-1136(94)90045-0

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  • 1993年度日本海洋学会岡田賞記念講演-河口沿岸域における微量有機化合物の動態 Peer-reviewed

    著者, 高田秀重

    日本海洋学会誌2 ( 5 ) 369 - 381   8 1993

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    I am deeply honored for being awarded the Okada Prize (1993) for my study. The present paper reviews my research on the distribution and behavior of Linear Alkylbenzenes (LABs) in the coastal environments. 1. Linear alkylbenzenes with C<SUB>&</SUB>lt10&gt to C<SUB>&</SUB>lt14&gt alkylchain were found in Tokyo Bay sediments. Analytical method of LAB including capillary gas chromatography/mass spectrometry was developed. 2. Source of the LABs is unsulfonated raw material alkylbenzenes in LAS-type synthetic detergents. LABs are proposed as a molecular indicator of sewage-derived organic pollutants or riverine input of pollutants to coastal zones. 3. The isomeric composition of LABs is systematically altered by aerobic microbial degradation and is proposed as an indicator of degree of LAB degradation. 4. LABs sorbed to suspended solids are intermittently supplied to the coastal zone associated with flood events. Despite the LABs' highly hydrophobic nature, "Dissolved" LAB input to the estuary was observed. Association of LABs with colloidal material and/or solubilization by surfactants is suggested. 5. LABs are widely distributed in the northern part of Tokyo Bay and the adjacent estuarine sediments. A zone with relative high LAB contents is present ca. 5 km off the mouths of the Tamagawa and Sumidagawa Rivers. The amounts of LABs deposited in whole Tokyo Bay (1700 kg/yr) is comparable to LAB supply from its catchment. Small but significant amounts of LABs were detected in the sediments out of Tokyo Bay. 6. LABs were detected in the sediments beneath Deep Water Dump Site 106, U.S.A., indicating transport of dumped sewage particles to the sea floor (ca. 2500 m depth). LABs are penetrated into deeper part of the sediment, suggesting physical/biological mixing.

    DOI: 10.5928/kaiyou.2.369

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  • 界面活性剤関連物質の水環境中での分布と挙動.

    著者, 高田 秀重

    水環境学会誌   5 1993

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  • 堆積物中の陸起源炭化水素

    高田 秀重

    月刊海洋25   p.24 - 28   1993

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  • 界面活性剤関連物質の水環境中での分布と挙動

    高田 秀重

    水環境学会誌16 ( 5 ) p.308 - 313   1993

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  • Organic micro-pollutants on the deep sea floor derived from sewage disposal at the Dumpsite 106.

    Takada, H, J.W. Farrington, B.W. Trip

    Marine Environ. Res36   p.215   1993

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  • SEASONAL-VARIATIONS AND MODES OF RIVERINE INPUT OF ORGANIC POLLUTANTS TO THE COASTAL ZONE .1. FLUX OF DETERGENT-DERIVED POLLUTANTS TO TOKYO BAY Peer-reviewed

    H TAKADA, N OGURA, R ISHIWATARL

    ENVIRONMENTAL SCIENCE & TECHNOLOGY26 ( 12 ) 2517 - 2523   12 1992

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    DOI: 10.1021/es00036a027

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  • Removal of Linear Alkylbenzenesulfonates(LAS)in the Tamagawa Estuary Peer-reviewed

    著者:Takada, H, N. Ogura

    Marine Chemistry   6 1992

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    DOI: 10.1016/0304-4203(92)90081-K

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  • Distribution of linear alkylbenzenes (LABs) and linear alkylbenzenesulphonates (LAS) in Tokyo Bay sediments Peer-reviewed

    Hideshige Takada, Ryoshi Ishiwatari, Norio Ogura

    Estuarine, Coastal and Shelf Science35 ( 2 ) 141 - 156   1992

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/S0272-7714(05)80109-X

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  • Detection and Implication of sewage sludge organic chemicals in the sediments at deep Water Dumpsite 106.

    Takada, H, B.W. tripp, H. Clifford, J.W. Farrington, M. Bothner

    EOS Trans. Am. Geophys. Union72   p.83   1992

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  • 東京湾への汚濁負荷の見積と汚濁物質の挙動 Peer-reviewed

    著者, 小倉 紀雄, 高田 秀重

    沿岸海洋研究ノート28 ( 2 ) 121 - 128   2 1991

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    The amount of inputs of pollutants such as COD, N and P to Tokyo Bay can be estimated by the product of generated loadings at catchment area and runoff percentage. In order to estimate accurate loading to the bay, monitoring data of discharge and water qualities and detailed behavior of pollutants at estuarine area are necessary. In this article, the amount of inputs of pollutants to Tokyo Bay was reviewed and some problems were discussed. Recovery methods of comfortable environments for human beings were proposed.

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    Other Link: http://id.nii.ac.jp/1141/00043820/

  • LINEAR ALKYLBENZENES (LABS) IN URBAN RIVERINE AND COASTAL SEDIMENTS AND THEIR USEFULNESS AS A MOLECULAR INDICATOR OF DOMESTIC WASTES Peer-reviewed

    H TAKADA, R ISHIWATARI

    WATER SCIENCE AND TECHNOLOGY23 ( 1-3 ) 437 - 446   1991

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  • Distribution and sources of polycyclic aromatic hydrocarbons (PAHs) in street dust from the Tokyo Metropolitan area Peer-reviewed

    Hideshige Takada, Tomoko Onda, Mamoru Harada, Norio Ogura

    Science of the Total Environment, The107 ( C ) 45 - 69   1991

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    DOI: 10.1016/0048-9697(91)90249-E

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  • DETERMINATION OF POLYCYCLIC AROMATIC-HYDROCARBONS IN URBAN STREET DUSTS AND THEIR SOURCE MATERIALS BY CAPILLARY GAS-CHROMATOGRAPHY Peer-reviewed

    H TAKADA, T ONDA, N OGURA

    ENVIRONMENTAL SCIENCE & TECHNOLOGY24 ( 8 ) 1179 - 1186   8 1990

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    DOI: 10.1021/es00078a005

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  • BIODEGRADATION EXPERIMENTS OF LINEAR ALKYLBENZENES (LABS) - ISOMERIC COMPOSITION OF C-12 LABS AS AN INDICATOR OF THE DEGREE OF LAB DEGRADATION IN THE AQUATIC ENVIRONMENT Peer-reviewed

    H TAKADA, R ISHIWATARI

    ENVIRONMENTAL SCIENCE & TECHNOLOGY24 ( 1 ) 86 - 91   1 1990

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    DOI: 10.1021/es00071a009

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  • 増水時の河川における微量有機汚染物質の挙動 Peer-reviewed

    著者, 伊藤 正義, 高田 秀重, 小倉 紀雄

    地球化学24 ( 2 ) 105 - 114   1 1990

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:The Geochemical Society of Japan  

    During a storm event (49mm/12hr), riverine suspended solid samples (Nogawa River) and street run-off samples were taken and analyzed for two micro organic pollutants, polycyclic aromatic hydrocarbons (PAHs) and linear alkylbenzenes (LABs). The former is mainly originated by combustion of fossil fuels and the later is supplied to rivers by domestic consumption of synthetic detergents. PAHs and LABs concentration in the river water was 10ng/l and 13ng/l before rising stage and 310ng/l and 210ng/l in rising stage, respectively. There were correlations between the flux of river water and the flux of PAHs and LABs. The total flux of PAHs and LABs during this storm event was 72 and 22 times greater than those for the normal river stage, indicating that vast amounts of pollutants are transported downstream by storm event. It is estimated that direct input of urban run-off waters and resuspended bottom sediments contribute to the increase in flux of PAHs at rising river stage. Although both contributions varied with time, the contribution of resuspended sediments to the total increase was predominant.

    DOI: 10.14934/chikyukagaku.24.105

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  • DIAGENESIS OF BIOMARKERS IN BIWA LAKE-SEDIMENTS OVER 1 MILLION YEARS Peer-reviewed

    K OGURA, T MACHIHARA, H TAKADA

    ORGANIC GEOCHEMISTRY16 ( 4-6 ) 805 - 813   1990

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    DOI: 10.1016/0146-6380(90)90119-K

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  • 多摩川(調布堰)河川水中の直鎖アルキルベンゼンスルホン酸塩(LAS)の挙動. Peer-reviewed

    著者, 高田 秀重, 石渡 良志

    水質汚濁研究11   569 - 576   9 1988

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    DOI: 10.2965/jswe1978.11.569

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  • LINEAR ALKYLBENZENES IN URBAN RIVERINE ENVIRONMENTS IN TOKYO - DISTRIBUTION, SOURCE, AND BEHAVIOR Peer-reviewed

    H TAKADA, R ISHIWATARI

    ENVIRONMENTAL SCIENCE & TECHNOLOGY21 ( 9 ) 875 - 883   9 1987

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    DOI: 10.1021/es00163a005

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  • Behavior of polluted organic matter in the estuarine region of Tokyo Bay : Polycyclic aromatic hydrocarbons and alkylbenzenes

    Ishiwatari R., Takada H., Saito H., Yun S.

    Researches in Organic Geochemistry5   51 - 55   1986

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    DOI: 10.20612/rog.5.0_51

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  • 市販合成洗剤および都市水環境中のアルキルベンゼンの存在と環境化学的意義

    高田 秀重, 石渡 良志

    合成洗剤研究会誌8   p.16 - 21   1 1985

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  • QUANTITATION OF LONG-CHAIN ALKYLBENZENES IN ENVIRONMENTAL-SAMPLES BY SILICA-GEL COLUMN CHROMATOGRAPHY AND HIGH-RESOLUTION GAS-CHROMATOGRAPHY Peer-reviewed

    H TAKADA, R ISHIWATARI

    JOURNAL OF CHROMATOGRAPHY346 ( OCT ) 281 - 290   1985

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    DOI: 10.1016/S0021-9673(00)90514-4

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  • 都市河川の環境科学-隅田川を例として- Peer-reviewed

    著者, 福島 和夫, 高田 秀重, 半谷 高久, 掲載ページ

    総合都市研究   12 1984

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  • 東京湾堆積物中の炭化水素類 Peer-reviewed

    著者, 高田 秀重, 石渡 良志, ゆん 順子

    水質汚濁研究7 ( 3 ) 172 - 181   3 1984

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    DOI: 10.2965/jswe1978.7.172

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  • ALKYLBENZENE POLLUTION OF TOKYO BAY SEDIMENTS Peer-reviewed

    R ISHIWATARI, H TAKADA, SJ YUN, E MATSUMOTO

    NATURE301 ( 5901 ) 599 - 600   1983

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    DOI: 10.1038/301599a0

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Misc.

  • Trace elements distribution in estuaries of 3 rivers inflowing into Tokyo Bay-Biological monitoring using bivalves-

    大矢悠幾, 渡邉泉, 松井大樹, 大地まどか, 水川薫子, 高田秀重

    環境化学討論会要旨集(CD-ROM)31st   2023

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  • Year differences in the trace element concentrations of reproducing green turtle (Chelonia mydas) migrating to Ogasawara islands, Japan

    坂爪勇途, 大矢悠幾, 小林翔平, 近藤理美, 田中秀侑, 水川薫子, 高田秀重, 渡邉泉

    環境化学討論会要旨集(CD-ROM)31st   2023

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  • Trace elements pollution from drifted plastic debris in coastal terrestrial species at Zamami Island, Okinawa

    大矢悠幾, 渡邉泉, 戸津雅, 松井大樹, 藤田喜久, 高田秀重, 水川薫子, 大地まどか

    環境化学討論会要旨集(CD-ROM)31st   2023

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  • Distribution and seasonal changes of trace elements in Corbicula japonica and Crassostrea gigas inhabiting the estuary of Tamagawa River, Japan

    大矢悠幾, 高田秀重, 水川薫子, 松井大樹, 大地まどか, 渡邉泉

    環境化学討論会要旨集(CD-ROM)30th   2022

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  • Trace element accumulation of green turtles collected from the Ogasawara Islands in 2020 and 2021

    坂爪勇途, 大矢悠幾, 小林翔平, 福岡拓也, 近藤理美, 水川薫子, 高田秀重, 渡辺元, 渡邉泉

    環境化学討論会要旨集(CD-ROM)30th   2022

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  • Effects of benzotriazole UV stabilizers on activation of aryl hydrocarbon receptor and T cell differentiation in mice

    窪田篤人, 桜木優太, 寺崎将, 室本竜太, 高田秀重, 小島弘幸

    日本薬学会年会要旨集(Web)141年会   29P01 - 208   3 2021

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  • Elucidation of the actual status of land-derived environmental pollutants

    Hiroshi Ogawa, Hajime Obata, Kotaro Shirai, Naoko Murakami-Sugihara, Hideshige Takada, Asami Suzuki Mashio, Kaoruko Mizukawa, Hideki Minami

    NIPPON SUISAN GAKKAISHI87 ( 5 ) 522 - 523   2021

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  • Environmental factors in debromination activity of polybrominated diphenyl ethers by hepatic microsomes of freshwater fish (Nov, 10.1007/s11356-020-10431-w, 2020)

    Kaoruko Mizukawa, Toshiko Yamada, Yasuko Hirai, Hideshige Takada

    ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH28 ( 1 ) 336 - 336   1 2021

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    DOI: 10.1007/s11356-020-11646-7

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  • 添加剤含有プラスチック投与による海鳥への毒性影響の評価

    青木真奈実, 田中厚資, 池中良徳, 中山翔太, 綿貫豊, 高田秀重, 石塚真由美

    日本獣医学会学術集会講演要旨集163rd   2020

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  • 摂食プラスチックから海鳥への化学物質の移行の検証

    田中厚資, 綿貫豊, 高田秀重, 石塚真由美, 山下麗, 水川薫子, 水川葉月, 池中良徳, 中山翔太

    環境化学討論会要旨集(CD-ROM)28th   ROMBUNNO.P‐031   11 6 2019

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  • イラン・テヘランにおけるふん便汚染のDNAマーカーを用いた由来推定の試み

    尾形恒輝, 武井彩華, 高田秀重, 多羅尾光徳

    日本環境学会研究発表会予稿集45th   2019

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  • イランの水環境における合成甘味料および抗生物質の分布と下水マーカーとしての評価

    武井彩華, MONA Alidoust Saharkhiz Lahiji, 高田秀重, 多羅尾光徳, HASHEMI Seyed Hossein

    日本水環境学会年会講演集53rd   2019

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  • タイの水圏環境における薬剤耐性と残留抗菌薬濃度との関係

    角田 梨紗, 臼井 優, 高田 秀重, 中島 千絵, 鈴木 定彦, 田村 豊

    日本細菌学雑誌73 ( 1 ) 139 - 139   2 2018

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  • タイの水圏環境における薬剤耐性と残留抗菌薬濃度との関係

    角田梨紗, 臼井優, 高田秀重, 中島千絵, 鈴木定彦, 田村豊

    日本細菌学雑誌(Web)73 ( 1 )   2018

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  • Transfer of Hazardous Chemicals from Ingested Plastics to Higher-Trophic-Level Organisms

    Hideshige Takada

    The Handbook of Environmental Chemistry   2018

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    DOI: 10.1007/698_2018_255

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  • プラスチック汚染を上流で抑える 海洋プラスチック汚染概論―研究の歴史,動態,化学汚染―

    高田秀重, 山下麗

    用水と廃水60 ( 1 ) 29‐40   1 1 2018

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  • 有機化学物質による水域汚染のトレンドと将来展望

    高田秀重, 松隈ゆかり, 山下麗, 田中厚資, 櫻井重明, 水川薫子

    麻布大学雑誌28   103‐104 - 104   31 3 2017

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  • 水環境に拡散する抗菌薬,薬剤耐性遺伝子の汚染実態と課題 Invited

    鈴木 聡, 高田秀重

    公衆衛生81   828 - 833   2017

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    DOI: 10.11477/mf.1401208759

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  • Survey on Microplastic Contents Used for Scrab Agent in Personal Care Products

      30 ( 3 ) 86 - 89   7 2016

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  • 大阪湾と琵琶湖における底泥および表層水中のマイクロプラスチック調査

    田中周平, WANG Mengze, 鈴木裕識, 雪岡聖, 藤井滋穂, 高田秀重, 相子伸之, 中嶋昌紀

    日本水環境学会年会講演集50th   2016

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  • Chapter 7.2. Pollution status of persistent organic pollutants

    Hideshige Takada, Rei Yamashita

    IOC-UNESCO, UNEP (eds)Large marine ecosystems: status and trends.   165 - 176   2016

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  • オオミズナギドリをつかった海洋汚染モニタリング

    山下麗, 高田秀重, 綿貫豊

    月刊海洋48   439 - 447   2016

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  • Distribution and behavior of sulfonamides and macrolides in Japanese aquatic environment

      ( 36 ) 22 - 28   12 2014

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  • Plastic-mediated transfer of hazardous chemicals to marine organisms Invited

    高田秀重, 田中厚資, 青木千佳子, 市川馨子, 山下麗

    海洋と生物36 ( 6 ) 579 - 587   12 2014

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  • Marine plastic pollution: Research and regulatory directions Invited

    高田秀重, 山下麗

    海洋と生物36 ( 6 ) 555 - 564   12 2014

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  • Impacts of plastic ingestion on marine ecosystem Invited

    山下麗, 高田秀重

    海洋と生物36 ( 6 ) 606 - 611   12 2014

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  • Human factors and tidal influences on water quality of an urban river in Can Tho, a major city of the Mekong Delta, Vietnam

    Hirokazu Ozaki, Thi Kinh Co, Anh Kha Le, Viet Nu Pham, Van Be Nguyen, Mitsunori Tarao, Huu Chiem Nguyen, Viet Dung Le, Hieu Trung Nguyen, Masaki Sagehashi, Sachi Ninomiya-Lim, Takashi Gomi, Masaaki Hosomi, Hideshige Takada

    ENVIRONMENTAL MONITORING AND ASSESSMENT186 ( 2 ) 845 - 858   2 2014

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  • 大堀川における放射性セシウムの起源,固液分配および長期変動

    村上道夫, 山下麗, 柴山尚大, 末木啓介, SAHA Mahua, 守利悟朗, LAMXAY Soulichan, O Haechong, 鯉渕幸生, 高田秀重

    日本水環境学会シンポジウム講演集17th   2014

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  • O22-04 バンコク周辺の水圏環境における薬剤耐性菌とその耐性遺伝子の解析(口頭発表)

    大久保 寅彦, 臼井 優, 鈴木 聡, 高田 秀重, 田村 豊

    日本微生物生態学会講演要旨集2014   98 - 98   2014

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  • O22-05 水圏環境からの薬剤耐性遺伝子伝播におけるハエの役割(口頭発表)

    臼井 優, 大久保 寅彦, 福田 昭, 高田 秀重, 鈴木 聡, 田村 豊

    日本微生物生態学会講演要旨集2014   99 - 99   2014

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  • 第22回環境化学討論会報告

    高田 秀重, 熊田 英峰, 渡邉 泉, 橋本 洋平

    環境化学 : journal of environmental chemistry23 ( 3 ) 144 - 148   30 9 2013

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  • Environmental Problems Associated with Water-Soluble Organic Pollutants

    TAKADA Hideshige

      36 ( 9 ) 308 - 313   10 9 2013

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  • 日-P2-310 東日本大震災における1年後の大気環境調査(災害医療,ポスター発表,一般演題,再興、再考、創ろう最高の医療の未来)

    難波 弘行, 高田 秀重, 鈴木 聡, 江谷 勉, 福嶋 邦博, 岡野 光博, 佐橋 紀男

    日本医療薬学会年会講演要旨集23   403 - 403   28 8 2013

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  • 東アジア大都市大気エアロゾル中PAHsの環数分離と組成解析

    SAITO SHOICHI, KUMATA HIDETOSHI, OKUDA TOMOAKI, NAKAJIMA FUMIYUKI, TAKADA HIDESHIGE, HATAKEYAMA SHIRO, UCHIDA MASAO, AOKI MOTOHIDE, FUJIWARA KITAO

    環境化学討論会要旨集(CD-ROM)22nd   ROMBUNNO.1-1A-1-2   7 2013

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  • アジア大都市の大気エアロゾル中人為起源水素化レジン酸濃度・組成の比較

    KUMATA HIDETOSHI, AOKI MARI, OKUDA TOMOAKI, NAKAJIMA FUMIYUKI, TAKADA HIDESHIGE, HATAKEYAMA SHIRO, UCHIDA MASAO, AOKI MOTOHIDE, FUJIWARA KITAO

    環境化学討論会要旨集(CD-ROM)22nd   ROMBUNNO.1-1A-2-4   7 2013

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  • 震災後の岩手県大槌湾における海底堆積物の高頻度多地点観測による有機汚染状況の解明

    鈴木徳馬, 水川薫子, 高田秀重, 小川浩史, 永田俊

    環境化学討論会要旨集(CD-ROM)22nd   ROMBUNNO.1PA-22   7 2013

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  • プラスチックを用いた海鳥雛へのPCBs暴露の影響

    山下麗, 高田秀重, 越智大介, 綿貫豊

    日本鳥学会大会講演要旨集2013   2013

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  • P2-611 東日本大震災における津波後の粉塵と咳症状との関係(災害医療,ポスター,一般演題,岐路に立つ医療〜千年紀の目覚め〜よみがえれ!ニッポン!薬の改革は我らが手で!)

    難波 弘行, 江谷 勉, 高田 秀重, 鈴木 聡, 福島 邦博, 岡野 光博, 佐橋 紀男

    日本医療薬学会年会講演要旨集22   480 - 480   10 10 2012

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  • 石英繊維フィルターを用いて採取されたアジア地域エアロゾルのEDXRF‐FP法による多元素迅速定量

    奥田知明, 藤森英治, 藤森英治, 高田秀重, 熊田英峰, 畠山史郎, 中島典之, 内田昌男, 田中茂, HE K, MA Y, 原口紘気

    エアロゾル科学・技術研究討論会29th   1 - 2   28 8 2012

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  • 地下水中微生物による前駆物質からのフッ素系界面活性剤の生成

    MURAKAMI MICHIO, NISHIKOORI HIROSHI, SAKAI HIROSHI, OGUMA KUMIKO, TAKADA HIDESHIGE, TAKIZAWA SATOSHI

    環境化学討論会要旨集(CD-ROM)21st   ROMBUNNO.1C-12   10 7 2012

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  • パッシブエアサンプラー(PAS)を用いた東京都心および郊外大気中PAHsの季節変動観測

    伊藤麻南実, 熊田英峰, 中島典之, 高田秀重, 畠山史郎, 奥田知明, 内田昌男, 青木元秀, 藤原祺多夫

    環境化学討論会要旨集(CD-ROM)21st   ROMBUNNO.2E-16   10 7 2012

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  • アジア5都市における大気エアロゾルの多環芳香族炭化水素による汚染状況の把握と起源推定

    楜澤理奈, 高田秀重, 畠山史郎, SAHA Mahua, 中島典之, 熊田英峰, 奥田知明, 内田昌男

    環境化学討論会要旨集(CD-ROM)21st   ROMBUNNO.P-050   10 7 2012

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  • 地下環境中における前駆物質からのフッ素系界面活性剤の生成

    NISHIKOORI HIROSHI, MURAKAMI MICHIO, SAKAI HIROSHI, OGUMA KUMIKO, TAKADA HIDESHIGE, TAKIZAWA SATOSHI

    日本水環境学会年会講演集46th   190   14 3 2012

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  • PPCPs and PFCs in aquifers of Tokyo within complex hydrogeological settings

    Keisuke Kuroda, Michio Murakami, Kumiko Oguma, Hideshige Takada, Satoshi Takizawa

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY243   3 2012

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  • Education of Field-oriented Leaders in Environmental Sectors in a University of Agriculture and Technology

    SAGEHASHI Masaki, NINOMIYA-LIM Sachi, OZAKI Hirokazu, FURUICHI Takahisa, TANIGUCHI Shin, HOSOMI Masaaki, KUBO Naritaka, TAKADA Hideshige

      24 ( 6 ) 556 - 564   30 11 2011

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  • Role of Photodegradation in the Fate of Fluorescent Whitening Agents (FWAs) in Lacustrine Environments (vol 44, pg 7796, 2010)

    Nobuhisa Yamaji, Kazuhide Hayakawa, Hideshige Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY44 ( 22 ) 8791 - 8791   11 2010

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    DOI: 10.1021/es1031618

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  • プラスチック汚染による海鳥への有害物質の蓄積と影響 Invited

    山下 麗, 高田 秀重

    野鳥746   7 2010

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  • 雨天時における入間川のフッ素系界面活性剤の実態調査

    NISHIKOORI HIROSHI, MURAKAMI MICHIO, SAKAI HIROSHI, OGUMA KUMIKO, TAKADA HIDESHIGE, TAKIZAWA SATOSHI

    環境化学討論会講演要旨集19th   496 - 497   20 6 2010

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  • Overseas field training and its challenges in the education program for field-oriented leaders in environmental sectors in Asia and Africa, Tokyo University of Agriculture and Technology

    People and environment36 ( 3 ) 246 - 250   2010

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  • Transport and release of chemicals from plastics to the environment and to wildlife

    Emma L. Teuten, Jovita M. Saquing, Detlef R. U. Knappe, Morton A. Barlaz, Susanne Jonsson, Annika Bjorn, Steven J. Rowland, Richard C. Thompson, Tamara S. Galloway, Rei Yamashita, Daisuke Ochi, Yutaka Watanuki, Charles Moore, Pham Hung Viet, Touch Seang Tana, Maricar Prudente, Ruchaya Boonyatumanond, Mohamad P. Zakaria, Kongsap Akkhavong, Yuko Ogata, Hisashi Hirai, Satoru Iwasa, Kaoruko Mizukawa, Yuki Hagino, Ayako Imamura, Mahua Saha, Hideshige Takada

    PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES364 ( 1526 ) 2027 - 2045   7 2009

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    DOI: 10.1098/rstb.2008.0284

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  • Sources of sedimentary PAHs in tropical Asian waters: Differentiation between pyrogenic and petrogenic sources by alkyl homolog abundance

    Mahua Saha, Ayako Togo, Kaoruko Mizukawa, Michio Murakami, Hideshige Takada, Mohamad P. Zakaria, Nguyen H. Chiem, Bui Cach Tuyen, Maricar Prudente, Ruchaya Boonyatumanond, Santosh Kumar Sarkar, Badal Bhattacharya, Pravakar Mishra, Touch Seang Tana

    MARINE POLLUTION BULLETIN58 ( 2 ) 189 - 200   2 2009

  • Evaluation of wastewater and street runoff as sources of perfluorinated surfactants (PFSs)

    Michio Murakami, Hiroyuki Shinohara, Hideshige Takada

    CHEMOSPHERE74 ( 4 ) 487 - 493   1 2009

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  • Perfluorinated surfactants (PFSs) in size-fractionated street dust in Tokyo

    Michio Murakami, Hideshige Takada

    CHEMOSPHERE73 ( 8 ) 1172 - 1177   11 2008

  • Perfluorinated surfactants (PFSs) in size-fractionated street dust in Tokyo

    Michio Murakami, Hideshige Takada

    Chemosphere73 ( 8 ) 1172 - 1177   11 2008

  • Occurrence and sources of perfluorinated surfactants in rivers in Japan

    Michio Murakami, Eiji Imamura, Hiroyuki Shinohara, Kentaro Kiri, Yuki Muramatsu, Arata Harada, Hideshige Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY42 ( 17 ) 6566 - 6572   9 2008

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  • Evaluation of pharmaceuticals and personal care products as water-soluble molecular markers of sewage

    Norihide Nakada, Kentaro Kiri, Hiroyuki Shinohara, Arata Harada, Keisuke Kuroda, Satoshi Takizawa, Hideshige Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY42 ( 17 ) 6347 - 6353   9 2008

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  • Occurrence of pharmaceuticals in the aquatic environment in Japan and tropical Asian countries

    Journal of water and waste50 ( 7 ) 37 - 47   7 2008

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  • Multiple evaluations of the removal of pollutants in road runoff by soil infiltration

    Michio Murakami, Nobuyuki Sato, Aya Anegawa, Norihide Nakada, Arata Harada, Toshiya Komatsu, Hideshige Takada, Hiroaki Tanaka, Yoshiro Ono, Hiroaki Furumai

    WATER RESEARCH42 ( 10-11 ) 2745 - 2755   5 2008

  • Sorptive behavior of nitro-PAHs in street runoff and their potential as indicators of diesel vehicle exhaust particles

    Michio Murakami, Junya Yamada, Hidetoshi Kumata, Hideshige Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY42 ( 4 ) 1144 - 1150   2 2008

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  • Estrogen equivalent concentration of 13 branched para-nonylphenols in three technical mixtures by isomer-specific determination using their synthetic standards in SIM mode with GC-MS and two new diasteromeric isomers

    Takao Katase, Keiji Okuda, Yun-Seok Kim, Heesoo Eun, Hideshige Takada, Taketo Uchiyama, Hiroaki Salto, Mitsuko Makino, Yasuo Fujimoto

    CHEMOSPHERE70 ( 11 ) 1961 - 1972   2 2008

  • Distribution and fluxes of fluorescent whitening agents discharged from domestic wastewater into small rivers with seasonal changes of flow rates

    Kazuhide Hayakawa, Ryouji Okumura, Hiroki Yamamoto, Manabu Fujiwara, Nobuhisa Yamaji, Hideshige Takada, Masakazu Kanematsu, Yoshihisa Shimizu

    LIMNOLOGY8 ( 3 ) 251 - 259   12 2007

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  • Distribution of macrolides, sulfonamides, and trimethoprim in tropical waters: Ubiquitous occurrence of veterinary antibiotics in the Mekong Delta

    Satoshi Managaki, Ayako Murata, Hideshige Takada, Bui Cach Tuyen, Nguyen H. Chiem

    ENVIRONMENTAL SCIENCE & TECHNOLOGY41 ( 23 ) 8004 - 8010   12 2007

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  • Distribution of polycyclic aromatic hydrocarbons (PAHs) and phenolic endocrine disrupting chemicals in south and southeast Asian mussels

    Tomohiko Isobe, Hideshige Takada, Miki Kanai, Shinobu Tsutsumi, Kei O. Isobe, Ruchaya Boonyatumanond, Mohamad Pauzi Zakaria

    ENVIRONMENTAL MONITORING AND ASSESSMENT135 ( 1-3 ) 423 - 440   12 2007

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    DOI: 10.1007/s10661-007-9661-y

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  • Removal of selected pharmaceuticals and personal care products (PPCPs) and endocrine-disrupting chemicals (EDCs) during sand filtration and ozonation at a municipal sewage treatment plant

    Norihide Nakada, Hiroyuki Shinohara, Ayako Murata, Kentaro Kiri, Satoshi Managaki, Nobuyuki Sato, Hideshige Takada

    WATER RESEARCH41 ( 19 ) 4373 - 4382   11 2007

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  • Sources of polycyclic aromatic hydrocarbons (PAHs) in street dust in a tropical Asian mega-city, Bangkok, Thailand

    Ruchaya Boonyatumanond, Michio Murakami, Gullaya Wattayakorn, Ayako Togo, Hideshige Takada

    SCIENCE OF THE TOTAL ENVIRONMENT384 ( 1-3 ) 420 - 432   10 2007

  • Distribution of macrolides, sulfonamides and trimethoprim in tropical and temperate waters: Comparison between Vietnam and Japan

    Satoshi Managaki, Ayako Murata, Ayako Takeshita, Hideshige Takada, Cach Tuyen Bui

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY234   8 2007

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  • Utility of crotamiton as a water-soluble persistent molecular marker of pharmaceutical chemicals and sewage

    Hideshige Takada, Norihide Nakada, Kentaro Kiri, HIroyuki Shinohara, Toshikatsu Tanishima

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY234   8 2007

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  • Chemical and optical properties of 2003 Siberian forest fire smoke observed at the summit of Mt. Fuji, Japan

    Naoki Kaneyasu, Yasuhito Igarashi, Yousuke Sawa, Hiroshi Takahashi, Hideshige Takada, Hidetoshi Kumata, Robert Höller

    Journal of Geophysical Research Atmospheres112 ( 13 ) D13214   16 7 2007

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    DOI: 10.1029/2007JD008544

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  • Evaluation of noninvasive approach for monitoring PCB pollution of seabirds using preen gland oil

    Rei Yamashita, Hideshige Takada, Michio Murakami, Masa-Aki Fukuwaka, Yutaka Watanuki

    ENVIRONMENTAL SCIENCE & TECHNOLOGY41 ( 14 ) 4901 - 4906   7 2007

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  • Asian mussel watch program: Contamination status of polyhrominated diphenyl ethers and organochlorines in coastal waters of Asian countries

    Karri Ramu, Natsuko Kajiwara, Agus Sudaryanto, Tomohiko Isobe, Shin Takahashi, Annamalai Subramanian, Daisuke Ueno, Gene J. Zheng, Paul K. S. Lam, Hideshige Takada, Mohamad Pauzi Zakaria, Pham Hung Viet, Maricar Prudente, Touch Seang Tana, Shinsuke Tanabe

    ENVIRONMENTAL SCIENCE & TECHNOLOGY41 ( 13 ) 4580 - 4586   7 2007

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  • Reconstruction of pollution history of organic contaminants in the upper Gulf of Thailand by using sediment cores: First report from Tropical Asia Core (TACO) project

    Ruchaya Boonyatumanond, Gullaya Wattayakorn, Atsuko Amano, Yoshio Inouchi, Hideshige Takada

    Marine Pollution Bulletin54 ( 5 ) 554 - 565   5 2007

  • Trace element accumulations in 13 avian species collected from the Kanto area, Japan

    Sawako Horai, Izumi Watanabe, Hideshige Takada, Yoshikazu Iwamizu, Terutake Hayashi, Shinsuke Tanabe, Katsuji Kuno

    Science of the Total Environment373 ( 2-3 ) 512 - 525   15 2 2007

  • Water-soluble organic micro-pollutants in municipal wastewater and their removal during advanced treatment

    Shinohara H, Tanishima T, Kojima S, Managaki S, Takada H, Nakada N, Tanaka H, Nakajima F, Furumai H

    Southeast Water Environment 2   311 - 318   2007

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  • Mesocosm studies on phytoplankton community succession after inputs of the water-soluble fraction of Bunker A oil

    NOMURA Hideaki, TOYODA Keita, YAMADA Mihoko, OKAMOTO Ken, WADA Minoru, NISHIMURA Masahiko, YOSHIDA Akihiro, SHIBATA Akira, TAKADA Hideshige, OHWADA Kouichi

    La mer.45 ( 3 ) 105 - 116   2007

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  • Carp (Cyprinus carpio) Vitellogenin : Characterization of yolk proteins, development of immunoassays and use as biomarker of exposure to environmental estrogens.

    Hara, A, Hirano, K, Shimizu, M, Fukuda, H, Fujita, T, Ito, F, Takada, H, Nakamura, M, Iguchi, T

    Environmental Sciences ( 14 ) 95 - 108   2007

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  • Mesocosm studies on phytoplankton community succession after inputs of the water-soluble fraction of Bunker A oil.

    Hideaki NOMURA, Keita TOYODA, Mihoko YAMADA, Ken OKAMOTO, Minoru WADA, Masahiko NISHIMURA, Akihiro YOSHIDA, Akira SHIBATA, Hideshige TAKADA, Kouichi OHWADA

    La mer45 ( 3 ) 105 - 116   2007

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  • Chemical and Microphysical Properties of 2003 Siberian Forest Fire Smoke Observed at the Summit of Mt. Fuji, Japan.

    Kaneyasu, N, Igarashi, Y, Sawa, Y, Takahashi, H, Takada, H, Kumata, H, Holler, R

    J. Geophysical Research - Atmosphere112 ( D13 ) D13214   2007

  • Water quality management in the lower stretch of the river Ganges, east coast of India: an approach through environmental education

    Santosh Kumar Sarkar, Mahua Saha, Hideshige Takada, Asokkumar Bhattacharya, Pravakar Mishra, Badal Bhattacharya

    JOURNAL OF CLEANER PRODUCTION15 ( 16 ) 1559 - 1567   2007

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  • Carp (Cyprinus carpio) Vitellogenin : Characterization of yolk proteins, development of immunoassays and use as biomarker of exposure to environmental estrogens.

    Hara, A, Hirano, K, Shimizu, M, Fukuda, H, Fujita, T, Ito, F, Takada, H, Nakamura, M, Iguchi, T

    Environmental Sciences ( 14 ) 95 - 108   2007

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  • Call for pellets! International Pellet Watch Global Monitoring of POPs using beached plastic resin pellets

    Hideshige Takada

    MARINE POLLUTION BULLETIN52 ( 12 ) 1547 - 1548   12 2006

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    DOI: 10.1016/j.marpolbul.2006.10.010

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  • Correlations of asthma mortality with traffic-related factors: Use of catalytic converters and radial tires

    Thomas F. Dorsey, Arthur L. Lafleur, Hidetoshi Kumata, Hideshige Takada, Pablo Herrero-Jimenez, William G. Thilly

    JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE48 ( 12 ) 1321 - 1327   12 2006

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  • Horizontal distribution of steroid estrogens in surface sediments in Tokyo Bay

    Tomohiko Isobe, Shigeko Serizawa, Toshihiro Horiguchi, Yasuyuki Shibata, Satoshi Managaki, Hideshige Takada, Masatoshi Morita, Hiroaki Shiraishi

    ENVIRONMENTAL POLLUTION144 ( 2 ) 632 - 638   11 2006

  • Pharmaceutical chemicals and endocrine disrupters in municipal wastewater in Tokyo and their removal during activated sludge treatment

    Norihide Nakada, Toshikatsu Tanishima, Hiroyuki Shinohara, Kentaro Kiri, Hideshige Takada

    WATER RESEARCH40 ( 17 ) 3297 - 3303   10 2006

  • Distribution and origins of polycyclic aromatic hydrocarbons (PAHs) in riverine, estuarine, and marine sediments in Thailand

    Ruchaya Boonyatumanond, Gullaya Wattayakorn, Ayako Togo, Hideshige Takada

    MARINE POLLUTION BULLETIN52 ( 8 ) 942 - 956   8 2006

  • Three-dimensional distributions of sewage markers in Tokyo Bay water - fluorescent whitening agents (FWAs)

    S Managaki, H Takada, DM Kim, T Horiguchi, H Shiraishi

    MARINE POLLUTION BULLETIN52 ( 3 ) 281 - 292   3 2006

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  • Removal of water-soluble organic micro-pollutants by soil infiltration

    SHINOHARA Hiroyuki, MURAKAMI Michio, MANAGAKI Satoshi, KOJIMA Sawaka, TAKADA Hideshige, SATO Nobuyuki, SUZUKI Yutaka, NAKADA Norihide

    Environmental science19 ( 5 ) 435 - 444   2006

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  • Mesocosm experiment on the succession of microbial community in response to oil contamination to coastal seawater

    NISHIMURA Masahiko, YOSHIDA Akihiro, TOYODA Keita, YAMADA Mihoko, NOMURA Hideaki, WADA Minoru, OKAMOTO Ken, SHIBATA Akira, TAKADA Hideshige, OHWADA Kouichi

    La mer.44 ( 44 ) 59 - 65   2006

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  • Microbial responses using denaturing gradient gel electrophoresis to oil and chemical dispersant in enclosed ecosystems

    A Yoshida, H Nomura, K Toyoda, T Nishino, Y Seo, M Yamada, M Nishimura, M Wada, K Okamoto, A Shibata, H Takada, K Kogure, K Ohwada

    MARINE POLLUTION BULLETIN52 ( 1 ) 89 - 95   1 2006

  • Mesocosm experiment on the succession of microbial community in response to oil contamination to coastal seawater

    Nishimura, M, Yoshida, A, Toyoda, K, Yamada, M, Nomura, H, Wada, M, Okamoto, K, Shibata, A, Takada, H, Ohwada, K

    La mer44 ( 44 ) 59 - 65   2006

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  • New directions in plastic debris

    R Thompson, C Moore, A Andrady, M Gregory, H Takada, S Weisberg

    SCIENCE310 ( 5751 ) 1117 - 1117   11 2005

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  • Concentration of polychlorinated biphenyls (PCBs) in beached resin pellets: Variability among individual particles and regional differences

    S Endo, R Takizawa, K Okuda, H Takada, K Chiba, H Kanehiro, H Ogi, R Yamashita, T Date

    MARINE POLLUTION BULLETIN50 ( 10 ) 1103 - 1114   10 2005

  • Fluorescent whitening agents in Tokyo Bay sediments: molecular evidence of lateral transport of land-derived particulate matter

    S Managaki, H Takada

    MARINE CHEMISTRY95 ( 1-2 ) 113 - 127   5 2005

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    DOI: 10.1016/marchem.2004.08.007

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  • 富士山頂における2003年シベリア森林火災煙の光学・化学特性の測定

    兼保直樹, 五十嵐康人, 沢庸介, 高橋宙, 土器屋由紀子, 高田秀重

    日本気象学会大会講演予稿集87 ( 87 ) 131 - 131   30 4 2005

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  • Development of Analytical Method of Linear Alkylbenzenesulfonates and Their Degradation Intermediates by High Performance Liquid Chromatography Equipped with Tandem Mass Spectrometry and Its Application to Major Japanese Rivers

    MANAGAKI Satoshi, KOJIMA Sawaka, HARADA Arata, NAKADA Norihide, TANAKA Hiroaki, TAKADA Hideshige

    Journal of Japan Society on Water Environment28 ( 10 ) 621 - 628   2005

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    A method was developed for the simultaneous trace analysis of linear alkylbenzene sulfonate(LAS) and their biodegradation intermediates, sulfophenyl carboxylates (SPC), in sewage effluent and river water. Sensitive determination using a liquid chromatograph equipped with a tandem mass spectrometer (LC-MS/MS) following solid-phase extraction was employed. The analytical method was applied to study the behavior of LAS and SPC during sewage treatment. SPC concentration (sum of C5-C13 SPC: 80μg·l-1) in secondary effluent was 2.5 times higher than that in raw sewage (30μg·l-1), whereas very high levels of removal (99.2%) of LAS (sum of C10-C14 LAS) was observed during the secondary treatments. This suggests the formation of SPC by biodegradation of LAS during sewage treatment. Broad-spectrum monitoring of synthetic-detergent-derived compounds including LAS, SPC and fluorescent whitening agents (FWAs; DSBP and DAS1) was conducted for 20 representative Japanese rivers. LAS, SPC, and FWAs were widely distributed in the river water at concentrations in the range of 0.2-63μg·l-1, 0.02-68μg·l-1, and 0.013-4.55μg·l-1, respectively. Higher concentrations of the detergent-derived pollutants were observed in urban rivers which have larger populations in their catchment areas. In many rivers, SPC concentrations were higher than those of LAS, suggesting that SPC should be considered in the risk assessment of LAS.

    DOI: 10.2965/jswe.28.621

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  • Trophic Interactions among Marine Microbes in Oil-contaminated Seawater on a Mesocosmic Scale

    Keita Toyoda, Akira Shibata, Minoru Wada, Masahiko Nishimura, Hideaki Nomura, Akihiro Yoshida, Ken Okamoto, Mihoko Yamada, Hideshige Takada, Kazuhiro Kogure, Kouichi Ohwada

    Microbes and Environments20 ( 2 ) 104 - 109   2005

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  • Identification of estrogenic compounds in wastewater effluent

    N Nakada, H Nyunoya, M Nakamura, A Hara, T Iguchi, H Takada

    ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY23 ( 12 ) 2807 - 2815   12 2004

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  • Compound-specific radiocarbon analysis of polycyclic aromatic hydrocarbons (PAHs) in sediments from an urban reservoir

    H Kanke, M Uchida, T Okuda, M Yoneda, H Takada, Y Shibata, M Morita

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS223   545 - 554   8 2004

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    DOI: 10.1016/j.nimb.2004.04.102

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  • Distribution of linear alkylbenzenes (LABs) in riverine and coastal environments in South and Southeast Asia

    KO Isobe, MP Zakaria, NH Chiem, LY Minh, M Prudente, R Boonyatumanond, M Saha, S Sarkar, H Takada

    WATER RESEARCH38 ( 9 ) 2449 - 2459   5 2004

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  • Numerical simulation of organic chemicals in a marine environment using a coupled 3D hydrodynamic and ecotoxicological model

    DM Kim, N Nakada, T Horiguchi, H Takada, H Shiraishi, O Nakasugi

    MARINE POLLUTION BULLETIN48 ( 7-8 ) 671 - 678   4 2004

  • Seasonal variations of sulfate, carbonaceous species (black carbon and polycyclic aromatic hydrocarbons), and trace elements in fine atmospheric aerosols collected at subtropical islands in the East China Sea

    N Kaneyasu, H Takada

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES109 ( D6 ) D6   3 2004

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    DOI: 10.1029/2003JD004137

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  • プロジェクト研究 微量化学物質の負荷削減に向けた住民参加による社会的なしくみづくり 生活排水から琵琶湖へ流れ込む微量化学物質

    早川 和秀, 山路 修久, 高田 秀重

    滋賀県琵琶湖研究所所報 ( 21 ) 64 - 69   2 2004

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  • Effect of environmental factors on the relationship between concentrations of coprostanol and fecal indicator bacteria in tropical (Mekong delta) and temperate (Tokyo) freshwaters

    KO Isobe, M Tarao, NH Chiem, LY Minh, H Takada

    APPLIED AND ENVIRONMENTAL MICROBIOLOGY70 ( 2 ) 814 - 821   2 2004

  • Determination of degradation products of alkylphenol polyethoxylates in municipal wastewaters and rivers in Tokyo

    Tomohiko Isobe, Hideshige Takada

    Environmental Toxicology and Chemistry23 ( 3 ) 599 - 605   2004

  • Fluorescent Whitening Agents in Tokyo Bay sediments: molecular evidence of lateral transport of land-derived particulate matter.

    Satoshi Managaki, Hideshige Takada

    Marine Chemistry95   113 - 127   2004

  • Molecular composition and compound-specific stable carbon isotope ratio of polycyclic aromatic hydrocarbons (PAHs) in the atmosphere in suburban areas

    T Okuda, H Kumata, H Naraoka, H Takada

    GEOCHEMICAL JOURNAL38 ( 1 ) 89 - 100   2004

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  • Determination of degradation products of alkylphenol polyethoxylates in municipal wastewaters and rivers in Tokyo

    Tomohiko Isobe, Hideshige Takada

    Environmental Toxicology and Chemistry23 ( 3 ) 599 - 605   2004

  • Fluorescent Whitening Agents in Tokyo Bay sediments: molecular evidence of lateral transport of land-derived particulate matter.

    Satoshi Managaki, Hideshige Takada

    Marine Chemistry95   113 - 127   2004

  • Molecular composition and compound-specific stable carbon isotope ratio of polycyclic aromatic hydrocarbons (PAHs) in the atmosphere in suburban areas

    Tomoaki Okuda, Hidetoshi Kumata, Hiroshi Naraoka, Hideshige Takada

    Geochemical Journal38 ( 1 ) 89 - 100   2004

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    DOI: 10.2343/geochemj.38.89

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  • Seasonal variations of sulfate, carbonaceous species (black carbon and PAHs), and trace metals in fine atmospheric aerosols collected at subtropical islands in the East China Sea

    Naoki Kaneyasu, Hideshige Takada

    Journal of Geophysical Research - Atmospheres109   D6   2004

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  • 海洋漂流レジンペレット(プラスチック小粒)中の有機汚染物質―粒子間の濃度差及びモニタリング手法としての評価―

    遠藤智司, 高田秀重

    環境化学討論会講演要旨集12th   116 - 117   25 6 2003

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  • ムラサキイガイを用いた日本沿岸におけるPCB・合成洗剤及び石油汚染のモニタリング

    遠藤智司, 高田秀重, 池田こみち, 上田真寿夫

    環境化学討論会講演要旨集12th   480 - 481   25 6 2003

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  • 医薬品による環境汚染

    高田秀重, 谷島利勝

    医学のあゆみ205   159 - 160   2003

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  • 重油の微量水溶性画分が沿岸生態系に与える影響に関するメソコスム実験

    大和田紘一, 西村昌彦, 和田実, 野村英明, 柴田晃, 岡本研, 豊田圭太, 吉田明弘, 高田秀重, 山田美穂子

    月刊海洋35   113 - 119   2003

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  • Thermodynamic behavior of stable carbon isotopic compositions of individual polycyclic aromatic hydrocarbons derived from automobiles

    Tomoaki Okuda, Hideshige Takada, Hiroshi Naraoka

    Polycyclic Aromatic Compounds23 ( 2 ) 219 - 236   2003

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  • Study on the fate of petroleum-derived polycyclic aromatic hydrocarbons (PAHs) and the effect of chemical dispersant using an enclosed ecosystem, mesocosm

    M Yamada, H Takada, K Toyoda, A Yoshida, A Shibata, H Nomura, M Wada, M Nishimura, K Okamoto, K Ohwada

    MARINE POLLUTION BULLETIN47 ( 1-6 ) 105 - 113   2003

  • Study of the effect of water-soluble fractions of heavy-oil on coastal marine organisms using enclosed ecosystems, mesocosms

    K Ohwada, M Nishimura, M Wada, H Nomura, A Shibata, K Okamoto, K Toyoda, A Yoshida, H Takada, M Yamada

    MARINE POLLUTION BULLETIN47 ( 1-6 ) 78 - 84   2003

  • Thermodynamic behavior of stable carbon isotopic compositions of individual polycyclic aromatic hydrocarbons derived from automobiles

    T Okuda, H Takada, H Naraoka

    POLYCYCLIC AROMATIC COMPOUNDS23 ( 2 ) 219 - 236   2003

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    DOI: 10.1080/10406630308060

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  • Quantitative application of fecal sterols using gas chromatography-mass spectrometry to investigate fecal pollution in tropical waters: Western Malaysia and Mekong Delta, Vietnam

    KO Isobe, M Tarao, MP Zakaria, NH Chiem, LY Minh, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY36 ( 21 ) 4497 - 4507   11 2002

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  • Linear alkylbenzenes as a tool to assess the effectiveness of sewage treatment systems.

    H Takada, S Tsutsumi, K Ohno

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY224   U522 - U522   8 2002

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  • Fluorescent whitening agents in Tokyo Bay and adjacent rivers: Their application as anthropogenic molecular markers in coastal environments

    Y Hayashi, S Managaki, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY36 ( 16 ) 3556 - 3563   8 2002

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  • 海洋漂流レジンペレット(プラスチック小粒)への疎水性有機汚染物質の吸着 (I) PCB吸着量の粒子間差及び地域差

    遠藤智司, 間藤ゆき枝, 高田秀重

    環境化学討論会講演要旨集11th   226 - 227   3 6 2002

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  • Identification of polychlorinated dibenzo-p-dioxin, dibenzofuran, and coplanar polychlorinated biphenyl sources in Tokyo Bay, Japan

    Y Yao, S Masunaga, H Takada, J Nakanishi

    ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY21 ( 5 ) 991 - 998   5 2002

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  • Accumulation and potential dissolution of Chernobyl-derived radionuclides in river bottom sediment

    Y Sanada, T Matsunaga, N Yanase, S Nagao, H Amano, H Takada, Y Tkachenko

    APPLIED RADIATION AND ISOTOPES56 ( 5 ) 751 - 760   5 2002

  • Identification of polychlorinated dibenzo-p-dioxin, dibenzofuran, and coplanar polychlorinated biphenyl sources in Tokyo Bay, Japan

    Yuan Yao, Shigeki Masunaga, Hideshige Takada, Junko Nakanishi

    Environmental Toxicology and Chemistry21 ( 5 ) 991 - 998   1 5 2002

  • Determination of Nonylphenol migrated from Food-contact Plastics

    ISOBE Tomohiko, NAKADA Norihide, MATO Yukie, NISHIYAMA Hajime, KUMATA Hidetoshi, TAKADA Hideshige

    JEC12 ( 3 ) 621 - 625   2002

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    Nonylphenol (NP), a suspected endocrine disrupting chemical, is widely used as additive of plastics as well as raw materials of surfactants. In this study, migration of NP from plastic tableware and food containers to fatty food simulants, <I>n</I>-heptane, was examined. Migration test was performed using <I>n</I>-heptane under 25°C for 1-h, and NP was quantified by GC/MS. NP was detected from 16 food-contact plastics out of 50 tested samples. Especially high amounts of NP more than one order of magnitude higher than limit of detection, were released from 5 samples (21-2485 ng/cm<SUP>2</SUP>), i.e., disposable cup, dish, and cap of food container made of polystyrene or polypropylene.

    DOI: 10.5985/jec.12.621

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  • Vertical distributions and delta C-13 isotopic compositions of PAHs in Chidorigafuchi Moat sediment, Japan

    T Okuda, H Kumata, H Naraoka, R Ishiwatari, H Takada

    ORGANIC GEOCHEMISTRY33 ( 7 ) 843 - 848   2002

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  • Plastic pellets in the marine environment of Tokyo Bay and Sagami Bay

    Yuji Kuriyama, Kazumi Konishi, Haruyuki Kanehiro, Chiyoko Otake, Tsuguchika Kaminuma, Yukie Mato, Hideshige Takada, Azusa Kojima

    Nippon Suisan Gakkaishi (Japanese Edition)68 ( 2 ) 164 - 171   2002

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    DOI: 10.2331/suisan.68.164

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  • Toxic Chemicals Contained in Plastic Resin Pellets in the Marine Environment : Spatial Difference in Pollutant Concentrations and the Effects of Resin Type

    MATO Yukie, TAKADA Hideshige, ZAKARIA Mohamad Pauzi, KURIYAMA Yuji, KANEHIRO Haruyuki

    Environmental science15 ( 6 ) 415 - 423   2002

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  • Fluorescent Whitening Agents (FWAs) in Tokyo Bay and adjacent rivers: their application as anthropogenic molecular markers in coastal environments. Environ. Sci. Technol., vol.36, p., 2002.

    著者:Yuko Hayashi, Satoshi Managaki, Hideshige Takada

        2002

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  • Alkylbenzenes in mussels from South and South East Asian coasts as a molecular tool to assess sewage impact

    S Tsutsumi, Y Yamaguchi, Nishida, I, K Akiyama, MP Zakaria, H Takada

    MARINE POLLUTION BULLETIN45 ( 1-12 ) 325 - 331   2002

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  • Source identification of Malaysian atmospheric polycyclic aromatic hydrocarbons nearby forest fires using molecular and isotopic compositions

    Tomoaki Okuda, Hidetoshi Kumata, Mohamad Pauzi Zakaria, Hiroshi Naraoka, Ryoshi Ishiwatari, Hideshige Takada

    Atmospheric Environment36 ( 4 ) 611 - 618   2002

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  • Quantitative application of fecal sterols using GC-MS to investigate fecal pollution in tropical waters: western Malaysia and Mekong Delta, Vietnam., Environ. Sci. Technol., vol.36, p., 2002.

    著者:Kei O. Isobe, Mitsunori Tarao, Mohamad, P. Zakaria, Nguyen H. Chiem, Le Y. Minh, Hideshige Takada

        2002

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  • Origin of atmospheric polycyclic aromatic hydrocarbons (PAHs) in Chinese cities solved by compound-specific stable carbon isotopic analyses

    Tomoaki Okuda, Hidetoshi Kumata, Hiroshi Naraoka, Hideshige Takada

    Organic Geochemistry33 ( 12 ) 1737 - 1745   2002

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  • Polycyclic aromatic hydrocarbon (PAHs) and hopanes in stranded tar-balls on the coasts of Peninsular Malaysia: Applications of biomarkers for identifying sources of oil pollution

    MP Zakaria, T Okuda, H Takada

    MARINE POLLUTION BULLETIN42 ( 12 ) 1357 - 1366   12 2001

  • Phase association of vehicle derived chemicals in storm water runoff.

    H Kumata, K Fujiwara, K Masuda, J Yamada, H Takada

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY222   U445 - U445   8 2001

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  • Distribution and behavior of nonylphenol, octylphenol and nonylphenol monoethoxylate in okyo metropolitan area: Their association with aquatic particles and sedimentary distributions

    T Isobe, H Nishiyama, A Nakashima, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY35 ( 6 ) 1041 - 1049   3 2001

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  • Distribution and behavior of nonylphenol, octylphenol and nonylphenol monoethoxylate in okyo metropolitan area: Their association with aquatic particles and sedimentary distributions

    T Isobe, H Nishiyama, A Nakashima, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY35 ( 6 ) 1041 - 1049   3 2001

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    DOI: 10.1021/es001250i

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  • A-12 糞便汚染指標細菌の熱帯アジアにおける信頼性の検討(環境衛生,A会場,口頭発表)

    多羅尾 光徳, 大野 慶, 高田 秀重, Kha Le Anh, An Tran Hong

    日本微生物生態学会講演要旨集 ( 17 ) 26 - 26   2001

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  • Sources apportioning of dioxin pollution recorded in Tokyo Bay sediment core based on congener composition

    MASUNAGA Shigeki, YAO Yuan, TAKADA Hideshige, SAKURAI Takeo, NAKANISHI Junko

    Chikyukagaku35 ( 4 ) 159 - 168   2001

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    On the basis of the congener-specific analysis of dioxins in a dated sediment core, surface sediment, and soil samples, the sources and mass balance of dioxins in Tokyo Bay basin, Japan, were estimated. The dioxins in the sediment core showed that their deposition in the bay increased rapidly during the 1960s, peaked in the early 1970s and then decreased gradually. Principal component analysis of the congener-specific data showed that three major sources existed: combustion, pentachlorophenol (PCP), and chloronitrophen (CNP). PCP and CNP are paddy field herbicides used extensively in Japan in the past. The time trends of source contributions were estimated by multiple regression analysis using the source congener profiles. The results revealed that dioxin emission from PCP and CNP herbicides was high in the 1960s and the early 1970s, respectively. The total contribution in terms of TEQ from the two herbicides was at their maximum of 70% in the 1970s and decreased thereafter. Their contribution, however, was as high as 50% in recent sediment, indicating that dioxins sprayed as herbicide impurity were still remaining in terrestrial soil and river sediment of the basin and running off gradually.

    DOI: 10.14934/chikyukagaku.35.159

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  • Monitoring of water pollution by excrement and life draining in Asia using molecular marker

    TAKADA Hideshige, OHNO Kei

      2000 ( 1 ) 1 - 2   28 4 2000

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  • Intercalibration of LABs in marine sediment SRM1941a and their application as a molecular marker in Narragansett Bay sediments

    PC Hartmann, JG Quinn, JW King, S Tsutsumi, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY34 ( 5 ) 900 - 906   3 2000

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  • Intercalibration of LABs in marine sediment SRM1941a and their application as a molecular marker in Narragansett Bay sediments

    PC Hartmann, JG Quinn, JW King, S Tsutsumi, H Takada

    ENVIRONMENTAL SCIENCE & TECHNOLOGY34 ( 5 ) 900 - 906   3 2000

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    DOI: 10.1021/es990798q

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  • Historical trends of N-cyclohexyl-2-benzothiazolamine, 2-(4- morpholinyl)benzothiazole, and other anthropogenic contaminants in the urban reservoir sediment core

    Hidetoshi Kumata, Yukihisa Sanada, Hideshige Takada, Takashi Ueno

    Environmental Science and Technology34 ( 2 ) 246 - 253   15 1 2000

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    DOI: 10.1021/es990738k

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  • A-13 マレー半島西岸部における大腸菌群と糞便由来ステロール類を用いた糞便汚染のモニタリング(モニタリング,口頭発表)

    多羅尾 光徳, 大野 慶, 高田 秀重, Zakaria Mohamad Pauzi

    日本微生物生態学会講演要旨集 ( 16 ) 29 - 29   2000

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  • マラッカ海峡の石油汚染の実態解明と石油汚染の起源推定指標の開発

    高田 秀重, Zakaria Mohamad Pauzi, Ismail Ahmad

    研究報告書23   49 - 52   2000

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  • A Summary of "Behaviour of Endocrine Disrupting Chemicals in Coastal Environments" Symposium(Symposium: Behaviour of Endocrine Disrupting Chemicals in Coastal Environments)

    Takada Hideshige, Yanagi Tetsuo

      37 ( 2 ) 83 - 84   2000

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  • 湖沼柱状堆積物を用いた日本列島への微量汚染物質の大気降下量とその歴史変遷の解明

    宗林由樹, 高田秀重, 長尾誠也

    住友財団年次報告書   37   2000

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  • 環境汚染化学と地球科学への応用

    高田 秀重

    月刊海洋 vol.32人為起源分子指標   598 - 605   2000

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  • Organic Geochemical Characterization of Aerosol in East Asia

    MORINAGA Shigeo, KUMATA Hidetoshi, OKUDA Tomoaki, ZAKARIA Mohamad Pauzi, TAKADA Hideshige

    Earozoru Kenkyu15 ( 4 ) 313 - 320   2000

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    DOI: 10.11203/jar.15.313

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  • Biomonitoring of organic micropollutants in coastal zones using mussels –characteristics of accumulated pollutants and the application to Tokyo Bay–

    YAMAGUCHI Yuka, SATO Futoshi, AKIYAMA Ken-ichiro, KOUNO Eriko, TSUTSUMI Shinobu, TAKADA Hideshige

    Chikyukagaku34 ( 1 ) 41 - 57   2000

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    Mussel is a biomonitoring media used for "Mussel Watch", national and international monitoring programs of chemical pollution in coastal waters. In the present study, anthropogenic molecular markers (alkylbenzenes, aliphatic hydrocarbons, polycyclic aromatic hydrocarbons, and polychlorinated biphenyls) were determined in soft tissues of mussels collected in Tokyo Bay. Their compositions were compared with those in bottom surface sediments in the same area to discuss the sources and forms of pollutants accumulated in the mussels. The molecular distributions for all the hydrophobic markers in the tissues were shifted toward lower molecular weight compared with those in the sediments, suggesting that mussels uptake pollutants not only from particulate phase but also from dissolved phase. Tetrapropylene-based alkylbenzenes and PCBs, which were used in 1960s and are still preserved in the bottom sediments, were detected in the tissues suggesting mussels accumulate the relict pollutants through resuspension and/or desorption from the bottom sediments. Relative abundance of PCBs to TABs was much higher in mussels than in sediments. These "excess" PCBs relative to TABs suggest recent inputs of PCBs. External LABs isomers were much more depleted in mussels than in the sediments, suggesting that the mussel accumulates pollutants intensively biodegraded probably through municipal wastewater treatments and/or microbial attack in water column. Aliphatic hydrocarbons having weak odd-carbon-predominance and PAHs with abundant alkyl homologues were observed in the tissues. These compositions were different from sedimentary hydrocarbons mainly derived from higher plant wax and combustion products. The differences suggest selective uptake of petroleum hydrocarbons by mussels. For all the pollutants determined, the concentrations were higher in mussels collected from the northern-west parts of Tokyo Bay. This is probably due to that this area is affected by industrial wastewaters from the Keihin industrial complex, domestic wastewaters delivered by rivers running through large cities, and urban runoff. Relatively high concentrations of alkanes and trace concentrations of LABs were observed in mussels collected far from the polluted area, suggesting petroleum pollution from non land-based source (e.g. tankers).

    DOI: 10.14934/chikyukagaku.34.41

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  • Historical trends of N-cyclohexyl-2-benzothiazolamine, 2-(4-morpholinyl)benzothiazole, and other anthropogenic contaminants in the urban reservoir sediment core

    H Kumata, Y Sanada, H Takada, T Ueno

    ENVIRONMENTAL SCIENCE & TECHNOLOGY34 ( 2 ) 246 - 253   1 2000

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  • 東京湾柱状堆積物中の環境ホルモンの鉛直分布

    著者, 奥田 啓司, 高田 秀重, 中田 典秀, 西山 肇, 磯部 友彦, 佐藤 太。

    沿岸海洋研究   2000

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  • Use of pentacyclic triterpanes as biomarkers for source identification of oil pollution in the Straits of Malacca.

    MP Zakaria, H Takada, A Horinouchi, S Tanabe, A Ismail

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY218   U571 - U571   8 1999

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  • A Summary of "Present Status and Future Subjects of Researches on Petroleum Pollution" Symposium(Symposium: Present Status and Future Subjects of Researches on Petroleum Pollution)

    Takada Hideshige, Kogure Kazuhiro

      37 ( 1 ) 1 - 2   1999

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  • 河川におけるノニルフェノール類の濃度測定と分布

    高田 秀重

    ECO INDUSTRY4   32 - 41   1999

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  • 実験室内汚染と環境ホルモン測定の難しさ-Here, there, and everywhere-

    高田 秀重

    現代化学 ( 334 ) 38 - 43   1999

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  • Estimation of sedimentation processes in Tokyo Bay using radionuclides and anthropogenic molecular markers

    SANADA Yukihisa, SATO Futoshi, KUMATA Hidetoshi, TAKADA Hideshige, YAMAMOTO Ai, KATO Yoshihisa, UENO Takashi

    Chikyukagaku33 ( 2 ) 123 - 138   1999

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    To estimate the sedimentation rate and to understand the sedimentation processes in Tokyo Bay, vertical distributions of <sup>210</sup>Pb and <sup>137</sup>Cs were determined for two sediment cores (F-2 and F-5) from Tokyo Bay and one from the moat of Imperial Palace for the Tokyo. Molecular stratigraphy was applied to one of the Tokyo Bay sediment cores using polychlorinated biphenyls (PCBs) and linear and tetrapropylene-based alkylbenzenes (LABs and TABs). <sup>210</sup>Pb showed exponential downcore decrease with substantial fluctuation. In the sediment core of the bay (F-2), radiocesium maximum, corresponding to the atmospheric deposition maximum at 1963, was observed. Good agreement between the deposition date estimated using radionuclides (<sup>137</sup>Cs and <sup>210</sup>Pb) and the vertical distributions of PCBs, LABs and TABs, suggests the utility of multiple markers approach for sediment stratigraphy. In the Tokyo Bay sediments, only slight or negligible decrease in <sup>137</sup>Cs activity was observed toward the surface layer where significant amounts of <sup>137</sup>Cs was detected, whereas a sharp peak of <sup>137</sup>Cs were observed for the Moat which has no inflowing rivers. PCBs and TABs, whose productions and usage ceased by early 1970s, decreased gradually to the sediment-water interface in the Tokyo Bay and were found significantly in the surficial sediments. All these markers suggest that riverine and estuarine sediments play a role of a reservoir of the pollutants, that is, particle-reactive pollutants are temporally deposited and stored in riverine and estuarine sediments which are intermittently supplied to Tokyo Bay during flood events with resuspension.

    DOI: 10.14934/chikyukagaku.33.123

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  • Broad-spectrum analysis of endocrine disruptors in environmental samples (<Special Article>Endocrine Disrupting Chemicals and Analytical Chemistry)

    NAKADA Norihide, ISOBE Tomohiko, NISHIYAMA Hajime, OKUDA Keiji, TSUTSUMI Shinobu, YAMADA Junya, KUMATA Hidetoshi, TAKADA Hideshige

    BUNSEKI KAGAKU48 ( 6 ) 535 - 547   1999

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    A comprehensive analytical method of endocrine disruptors (i.e., alkylphenols, phthalic acid esters, bisphenol A, polycyclic aromatic hydrocarbons, polychlorinated biphenyls, DDTs) in environmental samples was developed. The method employs Soxhlet-extraction with dichloromethane and two-step-silica-get and activated-charcoal column chromatography, which provides eleven fractions, followed by determination on capillary GC equipped with MSD or ECD. The present method was applied to Tokyo Bay sediments. Most of the target compounds were identified and quantified clearly, demonstrating theapplicability to various environmental samples. Their concentrations are as follows : 4-t-octylphenol: 10.0 ng/g; 4-t-nonylphenol: 184 ng/g; benzyl n-butyl phthalate: 6.12 ng/g; dicyclohexyl phthalate: 2.56 ng/g; bisphenol A: 6.58 ng/g; benz[a]anthracene: 58.1 ng/g; benzo[a]pyrene: 93.7 ng/g; IUPAC#77 coplanar PCB: 0.82 ng/g; DDT: 0.42 ng/g; DDD: 1.00 ng/g; DDE: 1.37 ng/g. This method provides a powerful analytical tool to investigate a wide range of endocrine disruptors in samples of limited quantity.

    DOI: 10.2116/bunsekikagaku.48.535

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  • Chemical Characterization of Petroleum Using GC-MS and Behaviors and Effects of Hydrocarbons in the Environments(Symposium: Present Status and Future Subjects of Researches on Petroleum Pollution)

    Horinouchi Ai, Tsutsumi Shinobu, Kouno Eriko, Takada Hideshige, Pauzi Mohamad Zakaria, Noriki Shinichiro

    Bulletin on coastal oceanography37 ( 1 ) 23 - 34   1999

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    Detailed analysis of hydrocarbons demonstrated that Nokhodka cargo oil spilled in the Sea of Japan in 1997 contain two orders of magnitude higher amounts of polycyclic aromatic hydrocarbons including benzo [a] pyrene compared with crude oils used in Japan. Even two years after the oil-spill, more than ~50% of benzo [a] pyrene and some other high-molecular-weight PAHs remain in the shoreline oils, while over 90% of lower-molecular-weight components disappeared. During weathering for two years after the spill, hopane composition was well preserved, indicating their usefulness as source identifier of the petroleum pollution. Analyses of sediment trap samples and offshore (>100m of water depth) sediments showed no indication of significant contribution of the Nakhodka cargo oil to the benthic environments. Hopanes were successfully used for tool to distinguish the source(s) of tar-ball collected on Malaysian coast (i.e. tankers carrying middle-east petroleum vs. domestic petroleum).

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  • Determination of Nonylphenol by GC-MS in Environmental Samples in Tokyo

    ISOBE Tomohiko, SATOH Masaaki, OGURA Norio, TAKADA Hideshige

    Journal of Japan Society on Water Environment22 ( 2 ) 118 - 126   1999

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    Nonylphenol (NP) is a biodegradation product of nonionic surfactant nonylphenol ethoxylates (NPEO) and has been known as an endocrine disrupting chemical. Analytical method of NP is presented in this paper. The method includes solid phase extraction for aqueous samples or Soxhlet extraction for solid samples and normal-phase column chromatography followed by GC-MS in SIM mode. For 1l water sample, the limit of quantification was 15ng·l-1. This is one to two orders of magnitude more sensitive than the previous methods used for monitoring in Japan. The method was applied to environmental samples (i.e. river waters, sediments, sewage effluents, and biological tissues) to demonstrate distribution and behavior of NP in Tokyo metropolitan area. NP concentrations in the river water range from 0.051 to 1.08 μg·l-1. NP concentration levels were found to be higher in the Sumidagawa River than that of the Tamagawa River. In the river water samples, 5 to 60% of NP existed in particulate phase, indicating a necessity to measure particulate NP for future monitoring. NP was found also in sediments (3.6 to 10.4μg·g-1 dry weight) and mussels (∼0.17 μg·g-1 dry weight). These values were approximately three orders of magnitude higher than those in river water on weight basis, suggesting NP accumulation in these solid media.

    DOI: 10.2965/jswe.22.118

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  • 水環境中におけるノニルフェノールの挙動と環境影響

    磯部 友彦, 高田 秀重

    水環境学会誌21   203 - 208   1998

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  • 河川および海洋環境中のノニルフェノール

    高田 秀重

    海洋と生物20   277 - 282   1998

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  • 川や海を汚染するノニルフェノール

    高田 秀重

    化学53   37 - 39   1998

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  • 東京湾のPCB分布・堆積モデル

    著者, 橋本 俊也, 柳 哲雄, 武岡 英隆, 高田 秀重

    沿岸海洋研究   1998

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  • 東京湾流出原油の堆積物への移行と残留

    著者, 河野恵里子, 高田秀重

    月刊海洋   1998

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  • 東シナ海の三島嶼における東アジアからの大気エアロゾルの流れ出しの観測

    兼保 直樹, 小倉 紀雄, 高田 秀重, 渡辺 貴史, 深澤 達矢

    大会講演予講集72   D366   10 1997

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  • Anthropogenic molecular markers: Tools to identify the sources and transport pathways of pollutants

    H Takada, F Satoh, MH Bothner, BW Tripp, CG Johnson, JW Farrington

    MOLECULAR MARKERS IN ENVIRONMENTAL GEOCHEMISTRY671   178 - 195   1997

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  • 陸域から沿岸海域への物質フラックス

    著者, 高田 秀重

    沿岸海洋研究   1997

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  • 2-(4-morpholinyl)benzothiazole as a molecular marker of street runoff and street dust: Analytical method and environmental distribution.

    H Kumata, H Takada, N Ogura

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY212   41 - ENVR   8 1996

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  • Association of hydrophobic organic compounds with river particles of different sizes.

    H Takada, H Kumata, F Satoh

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY212   55 - ENVR   8 1996

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  • Determination of 2-(4-morpholinyl)benzothiazole in environmental samples by a gas chromatograph equipped with a flame photometric detector

    H Kumata, H Takada, N Ogura

    ANALYTICAL CHEMISTRY68 ( 11 ) 1976 - 1981   6 1996

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  • 首都圏における多様な人間活動インパクトとその制御

    平田 煕, 小泉 武栄, 山田 修, 久野 勝治, 矢口 久美子, 近藤 治美, 鈴木 俊也, 高田 秀重, 熊田 英峯, 佐藤 太, 山口 友加, 小倉 紀雄, 加藤 哲郎, 細見 正明, 一ノ瀬 俊明

    環境科学会誌 = Environmental science9 ( 1 ) 109 - 122   29 2 1996

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  • Distribution of Anionic Surfactants (MBAS) and Characteristics of Appearance of High Level MBAS in River Waters of Nine Prefectures in Japan

    KOBUKE Yoshinari, AMANO Koji, OGINO Yasuo, GOI Kunihiro, SAKURAGI Kenji, TAKADA Hideshige

    Journal of Japan Society on Water Environment19 ( 9 ) 732 - 740   1996

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    In order to grasp the nationwide river pollution by synthetic detergents and surfactants, monitoring data of MBAS (Methylene Blue Active Substances), an indicator of anionic type sharing a major part of surfactant production, were analyzed statistically at 957 river monitoring stations of nine prefectures in Japan.Average MBAS concentrations during 1985-89 indicated the log-normal distribution with 35% of low level below 0.1mg·l-1, 49% of middle level between 0.1 and 1mg·l-1 and 15% of high level above 1mg·l-1.The testings for the variation of MBAS concentration during 1980's at each monitoring station showed that the variations for about half of the stations were statistically significant in each of three prefectures, Saitama, Tokyo and Hyogo, where trends of variations were relatively similar at each concentration level.From the analysis of MBAS data in rivers of Kinki Region in 1989, the percentage of monitoring station with high concentration appearing for three months or more was estimated to be 20% and 60% in case of MBAS exceeding 1mg·l-1 and 0.1mg·l-1, respectively. In the estimation by average BOD, these percetages grew high as the level or average BOD increased.

    DOI: 10.2965/jswe.19.732

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  • Determination of 2-(4-morpholinyl)benzothiazole in environmental samples by a gas chromatograph equipped with a flame photometric detector

    Hidetoshi Kumata, Hideshige Takada, Norio Ogura

    Analytical Chemistry68 ( 11 ) 1976 - 1981   1996

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/ac9511556

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  • 東京湾-100年の環境変遷

    小倉 紀雄, 高田 秀重

    安全工学34 ( 5 ) 325 - 331   15 10 1995

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  • Rapid Removal of Linear Alkylbenzenesulfonates (LAS) by Attached Biofilm in An Urban Shallow Stream

      18 ( 6 ) 462 - 463   10 6 1995

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  • 窒素安定同位体比を用いた地下水中硝酸塩に関する研究

    熊田英峰, 小倉紀雄, 高田秀重

    平成4年度科学研究費補助金(一般研究A)研究成果報告書   77 - 110   3 1995

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  • 東京湾に残留する PCB の供給源の地球化学的手法による推定

    高田秀重

    環境科学会1995年会の講演要旨集   130 - 131   1995

  • 日本の水環境の合成洗剤汚染

    高田 秀重

    水情報15   3 - 6   1995

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  • 我が国の海洋環境問題の新たな局面:流入負荷の質的量的変化

    著者, 小倉 紀雄, 高田 秀重

    沿岸海洋研究ノート   1995

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  • Linear Alkylbenzenesulfonates (LAS) Pollution in Headwaters Caused by Wastewater Discharge from Campgrounds

    Hideshige Takada, Akira Takahashi, Norio Ogura

    Japanese Journal of Limnology56 ( 1 ) 39 - 44   1995

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  • MOLECULAR MARKERS IN TOKYO BAY SEDIMENTS - SOURCES AND DISTRIBUTION

    N CHALAUX, H TAKADA, JM BAYONA

    MARINE ENVIRONMENTAL RESEARCH40 ( 1 ) 77 - 92   1995

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  • RAPID REMOVAL OF LINEAR ALKYLBENZENESULFONATES (LAS) BY ATTACHED BIOFILM IN AN URBAN SHALLOW STREAM

    H TAKADA, K MUTOH, N TOMITA, T MIYADZU, N OGUR

    WATER RESEARCH28 ( 9 ) 1953 - 1960   9 1994

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  • TRANSPORT OF SLUDGE-DERIVED ORGANIC POLLUTANTS TO DEEP-SEA SEDIMENTS AT DEEP-WATER DUMP SITE-106

    H TAKADA, JW FARRINGTON, MH BOTHNER, CG JOHNSON, BW TRIPP

    ENVIRONMENTAL SCIENCE & TECHNOLOGY28 ( 6 ) 1062 - 1072   6 1994

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  • TRANSPORT OF SLUDGE-DERIVED ORGANIC POLLUTANTS TO DEEP-SEA SEDIMENTS AT DEEP-WATER DUMP SITE-106

    H TAKADA, JW FARRINGTON, MH BOTHNER, CG JOHNSON, BW TRIPP

    ENVIRONMENTAL SCIENCE & TECHNOLOGY28 ( 6 ) 1062 - 1072   6 1994

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    DOI: 10.1021/es00055a015

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  • 海洋環境を考える-海洋環境問題の変遷と課題

    著者, 高田秀重, 編集者, 日本海洋学

    (株)恒星社厚生閣   1994

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  • SEWAGE CONTAMINATION IN SEDIMENTS BENEATH A DEEP-OCEAN DUMP SITE OFF NEW-YORK

    MH BOTHNER, H TAKADA, IT KNIGHT, RT HILL, B BUTMAN, JW FARRINGTON, RR COLWELL, JF GRASSLE

    MARINE ENVIRONMENTAL RESEARCH38 ( 1 ) 43 - 59   1994

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  • Organic micro-pollutants on the deep sea floor derived from sewage disposal at the Dumpsite 106.

    Takada, H, J.W. Farrington, B.W. Trip

    Marine Environ. Res36   p.215   1993

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  • 界面活性剤関連物質の水環境中での分布と挙動

    高田 秀重

    水環境学会誌16   308 - 313   1993

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  • 堆積物中の陸起源炭化水素

    高田 秀重

    月刊海洋25   24 - 28   1993

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  • 界面活性剤関連物質の水環境中での分布と挙動.

    著者, 高田 秀重

    水環境学会誌   1993

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  • Behavior of trace organic compounds in the estuaries and coastal environments. (Lecture by the Member Awarded the Okada Prize of the Oceanographic Society of Japan for 1993)

    Hideshige Takada, Faculty of Agriculture Tokyo University of Agriculture &amp Technology

      2 ( 5 ) 369 - 381   1993

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  • Organic micro-pollutants on the deep sea floor derived from sewage disposal at the Dumpsite 106.

    Takada, H, J.W. Farrington, B.W. Trip

    Marine Environ. Res36   p.215   1993

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  • SEASONAL-VARIATIONS AND MODES OF RIVERINE INPUT OF ORGANIC POLLUTANTS TO THE COASTAL ZONE .1. FLUX OF DETERGENT-DERIVED POLLUTANTS TO TOKYO BAY

    H TAKADA, N OGURA, R ISHIWATARL

    ENVIRONMENTAL SCIENCE & TECHNOLOGY26 ( 12 ) 2517 - 2523   12 1992

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  • SEASONAL-VARIATIONS AND MODES OF RIVERINE INPUT OF ORGANIC POLLUTANTS TO THE COASTAL ZONE .1. FLUX OF DETERGENT-DERIVED POLLUTANTS TO TOKYO BAY

    H TAKADA, N OGURA, R ISHIWATARL

    ENVIRONMENTAL SCIENCE & TECHNOLOGY26 ( 12 ) 2517 - 2523   12 1992

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    DOI: 10.1021/es00036a027

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  • DISTRIBUTION OF LINEAR ALKYLBENZENES (LABS) AND LINEAR ALKYLBENZENE-SULFONATES (LAS) IN TOKYO BAY SEDIMENTS

    H TAKADA, R ISHIWATARI, N OGURA

    ESTUARINE COASTAL AND SHELF SCIENCE35 ( 2 ) 141 - 156   8 1992

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  • REMOVAL OF LINEAR ALKYLBENZENESULFONATES (LAS) IN THE TAMAGAWA ESTUARY

    H TAKADA, N OGURA

    MARINE CHEMISTRY37 ( 3-4 ) 257 - 273   4 1992

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  • Detection and Implication of sewage sludge organic chemicals in the sediments at deep Water Dumpsite 106.

    Takada, H, B.W. tripp, H. Clifford, J.W. Farrington, M. Bothner

    EOS Trans. Am. Geophys. Union72   p.83   1992

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  • Detection and Implication of sewage sludge organic chemicals in the sediments at deep Water Dumpsite 106.

    Takada, H, B.W. tripp, H. Clifford, J.W. Farrington, M. Bothner

    EOS Trans. Am. Geophys. Union72   p.83   1992

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  • DISTRIBUTION AND SOURCES OF POLYCYCLIC AROMATIC-HYDROCARBONS (PAHS) IN STREET DUST FROM THE TOKYO METROPOLITAN-AREA

    H TAKADA, T ONDA, M HARADA, N OGURA

    SCIENCE OF THE TOTAL ENVIRONMENT107   45 - 69   9 1991

  • POLYNUCLEAR AROMATIC-HYDROCARBONS IN COASTAL AND CONTINENTAL-MARGIN SEDIMENTS - REVIEW AND RECENT FINDINGS

    JW FARRINGTON, H TAKADA, S MCGRODDY, BW TRIPP, CH CLIFFORD

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY201   58 - ENVR   4 1991

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  • LINEAR ALKYLBENZENES (LABS) IN URBAN RIVERINE AND COASTAL SEDIMENTS AND THEIR USEFULNESS AS A MOLECULAR INDICATOR OF DOMESTIC WASTES

    H TAKADA, R ISHIWATARI

    WATER SCIENCE AND TECHNOLOGY23 ( 1-3 ) 437 - 446   1991

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  • Linear alkylbenzenes (LABs) in urban riverine and coastal sediments and their usefulness as a molecular indicator of domestic wastes.

    著者:Takada, H, R. Ishiwatari

    Water Science and Technology   1991

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  • DETERMINATION OF POLYCYCLIC AROMATIC-HYDROCARBONS IN URBAN STREET DUSTS AND THEIR SOURCE MATERIALS BY CAPILLARY GAS-CHROMATOGRAPHY

    H TAKADA, T ONDA, N OGURA

    ENVIRONMENTAL SCIENCE & TECHNOLOGY24 ( 8 ) 1179 - 1186   8 1990

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  • DETERMINATION OF POLYCYCLIC AROMATIC-HYDROCARBONS IN URBAN STREET DUSTS AND THEIR SOURCE MATERIALS BY CAPILLARY GAS-CHROMATOGRAPHY

    H TAKADA, T ONDA, N OGURA

    ENVIRONMENTAL SCIENCE & TECHNOLOGY24 ( 8 ) 1179 - 1186   8 1990

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    DOI: 10.1021/es00078a005

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  • BIODEGRADATION EXPERIMENTS OF LINEAR ALKYLBENZENES (LABS) - ISOMERIC COMPOSITION OF C-12 LABS AS AN INDICATOR OF THE DEGREE OF LAB DEGRADATION IN THE AQUATIC ENVIRONMENT

    H TAKADA, R ISHIWATARI

    ENVIRONMENTAL SCIENCE & TECHNOLOGY24 ( 1 ) 86 - 91   1 1990

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  • DIAGENESIS OF BIOMARKERS IN BIWA LAKE-SEDIMENTS OVER 1 MILLION YEARS

    K OGURA, T MACHIHARA, H TAKADA

    ORGANIC GEOCHEMISTRY16 ( 4-6 ) 805 - 813   1990

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  • Biodegradation experiments of linear alkylbenzenes(LABs) : Isomeric composition of C12 LABs as an indicator of the degree of LAB degradation in the aquatic environment.

    著者:Takada, H, R. Ishiwatari

        1990

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  • 多摩川(調布堰)河川水中の直鎖アルキルベンゼンスルホン酸塩(LAS)の挙動.

    著者, 高田 秀重, 石渡 良志

    水質汚濁研究   1988

  • LINEAR ALKYLBENZENES IN URBAN RIVERINE ENVIRONMENTS IN TOKYO - DISTRIBUTION, SOURCE, AND BEHAVIOR

    H TAKADA, R ISHIWATARI

    ENVIRONMENTAL SCIENCE & TECHNOLOGY21 ( 9 ) 875 - 883   9 1987

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  • Linear Alkylbenzenes in Urban Riverine Environments in Tokyo : Distribution, Source, and Behavior.

    著者:Takada, H, R. Ishiwatari

        1987

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  • 市販合成洗剤および都市水環境中のアルキルベンゼンの存在と環境化学的意義

    高田 秀重, 石渡 良志

    合成洗剤研究会誌8   16 - 21   1985

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  • QUANTITATION OF LONG-CHAIN ALKYLBENZENES IN ENVIRONMENTAL-SAMPLES BY SILICA-GEL COLUMN CHROMATOGRAPHY AND HIGH-RESOLUTION GAS-CHROMATOGRAPHY

    H TAKADA, R ISHIWATARI

    JOURNAL OF CHROMATOGRAPHY346 ( OCT ) 281 - 290   1985

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  • Quantitation of long-chain alkylbenzenes in environmental samples by silica gel column chromatography and high-resolution gas chromatography.

    著者:Takada, H, R. Ishiwatari

    J. Chromatography346   281 - 290   1985

  • An Environmental Study of Urban Rivers : a Case-Study of the Sumida River in Tokyo

    Comprehensive urban studies ( 21 ) p21 - 38   1984

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  • 東京湾堆積物中の炭化水素類

    著者, 高田 秀重, 石渡 良志, ゆん 順子

    水質汚濁研究7 ( 3 ) 172 - 181   1984

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    Language:Japanese   Publisher:Japan Society on Water Environment  

    Hydrocarbons extracted from a Tokyo Pay sediment were fractionated into aliphatic hydrocarbon, alkylbenzene and polycyclic aromatic hydrocarbon fractions.<BR>Hydrocarbons in each fraction were analyzed by a high resolution gas chromatograph and GC/MS. The total amount of n-alkanes (C<SUB>17</SUB>-C<SUB>35</SUB>), alkylbenzenes with C<SUB>10</SUB>-C<SUB>14</SUB> alkyl carbons and PAH (one to seven rings) was 25.9, 2.9, 3.6 μg/g-dried sediment, respectively. The presence of UCM (unresolved complex mixture) and n-C<SUB>21</SUB>-C<SUB>35</SUB> hydrocarbons with odd carbon predominance suggested that these hydrocarbons are of oil pollution and higher plant origin. Alkylbenzenes with C<SUB>10</SUB>-C<SUB>14</SUB> alkyl carbons may have come from ABS (alkylbenzene sulfonates) pollution since their molecular distribution pattern is similar to that of ABS. The feature of PAH molecular distribution, in which alkyl homologues are minor relative to parent PAH, suggested that these PAH are mainly of combustion origin.<BR>The availability of the present method of fractionation and determination of detailed composition of hydrocarbons to the quantitative approach to environmental pollution study is discussed.

    DOI: 10.2965/jswe1978.7.172

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  • ALKYLBENZENE POLLUTION OF TOKYO BAY SEDIMENTS

    R ISHIWATARI, H TAKADA, SJ YUN, E MATSUMOTO

    NATURE301 ( 5901 ) 599 - 600   1983

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    DOI: 10.1038/301599a0

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Books and Other Publications

  • Conclusions of "Hazardous chemicals associated with plastics in marine environments"

    KARAPANAGIOTI K. Hrissi, TAKADA Hideshige( Role: Contributor ,  Hazardous chemicals associated with plastics in marine environments)

    Springer  11 2018 

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    Total pages:315   Responsible for pages:297-305   Language:English Book type:Scholarly book

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  • Release of Additives and Monomers from Plastic Wastes

    Charita S.Kwan, Hideshige Takada( Role: Contributor ,  Hazardous chemicals associated with plastics in marine environments)

    Springer  11 2018 

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    Total pages:315   Responsible for pages:51-70   Language:English Book type:Scholarly book

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  • Transfer of hazardous chemicals from ingested plastics to higher-trophic level organisms

    Kosuke Tanaka, Rei Yamashita, Hideshige Takada( Role: Contributor ,  Hazardous chemicals associated with plastics in marine environments)

    Springer  11 2018 

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    Total pages:315   Responsible for pages:267-280   Language:English

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  • Hazardous chemicals in plastics in marine environments: International Pellet Watch

    Rei Yamashita, Kosuke Tanaka, Bee Geok Yeo, Hideshige Takada, Jan A. van Franeker, Megan Dalton, Eric Dale( Role: Contributor ,  Hazardous chemicals associated with plastics in marine environments)

    Springer  11 2018  ( ISBN:9783319955667

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    Total pages:315   Responsible for pages:163-183   Language:English Book type:Scholarly book

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  • 「環境ホルモン-水産生物に対する影響実態と作用機構」、「エストロゲン様内分泌かく乱物質の分布・動態ー東京湾」

    中田典秀, 高田秀重( Role: Joint author)

    恒星社厚生閣  1 2006 

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    Responsible for pages:19-39   Language:Japanese Book type:Scholarly book

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  • 水産学シリーズ no.145「メソコスムを用いた重油水溶性画分の生態系への影響と消失過程」、流出油の海洋生態系への影響-ナホトカ号の事例を中心に-

    野村英明, 和田実, 山田美穂子, 豊田圭太, 西村昌彦, 吉田明弘, 柴田晃, 岡本研, 高田秀重, 木暮一啓, 大和田紘一( Role: Joint author)

    恒星社厚生閣  1 2004 

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    Responsible for pages:19-35   Language:Japanese Book type:Scholarly book

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  • II. 無脊椎動物. 2.ムラサキイガイ

    高田秀重, 秋山賢一郎, 山口友加, 堤史薫, 金井美季, 遠藤智司, 滝澤玲子, 奥田啓司( Role: Joint author)

    2004 

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    Responsible for pages:p.24-36頁   Language:Japanese Book type:Scholarly book

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  • 環境ホルモンの最新動向

    著者, 高田秀重, 編集者, 井口泰泉( Role: Joint author)

    5 1999 

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  • 沿岸の環境圏

    著者, 高田秀重, 監修, 平野敏行( Role: Joint author)

    8 1998 

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  • The Encyclopedia of Environmental Analysis and Remediation

    著者:Takada, H, R. Eganhouse。( Role: Joint author)

    7 1998 

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  • Tools to Identify the Sources and Transport pathways of Pollutants

    著者:Takada, H, F. Satoh, M. Bothner, B. Tripp, C. Johnson, J. Farrington( Role: Joint author)

    4 1997 

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  • 2-(4-Morpholinyl)-Benzothiazole (24MoBT) as an Indicator of Tire Wear Particles and Road Dust in the Urban Environment.

    著者, Kumata, H, H. Takada, N. Ogura( Role: Joint author)

    4 1997 

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  • Removal of hydrophobic organic pollutants associated with collids in the Tamagawa Estuary

    Hideshige.Takada( Role: Sole author)

    1995 

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    Responsible for pages:p.101-104頁   Language:English Book type:Scholarly book

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  • 東京湾-100年の環境変遷

    著者, 高田秀重, 編集者, 小倉紀雄( Role: Joint author)

    1 1993 

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  • 地球環境と自然保護

    著者, 高田秀重, 編者, 東京農工大学農学部生物圏環境科学専修編集委員( Role: Joint author)

    1 1992 

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  • 東京湾周辺環境における有機汚染物質の挙動:多環芳香族炭化水素およびアルキルベンゼン

    著者, 石渡 良志, 高田 秀重, 斉藤 裕政, ゆん 順子( Role: Joint author)

    1 1986 

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Presentations

  • International Pellet Watch : Global monitoring of POPs by using plastic resin pellets

    Chinese Academy of Science

    International Symposium on Persistent Organic Pollutants in North Pacific and Polar Regions  24 10 2015  中国科学院極域化学物質研究所

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  • Microplastic: An emerging threat to marine environment and a new tool for POP monitoring

    Hideshige Takada

    PICES 2015  22 10 2015  北太平洋海洋科学会議

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  • International Pellet Watch: Global distribution of persistent organic pollutants (POPs) in marine plastics and their potential threat to marine organisms

    Hideshige Takada

    International Research Workshop on the Occurrence, Effects and Fate of Microplastic Marine Debris  10 9 2008  University of Washington Tacoma NOAA Marine Debris Program

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    Venue:Tacoma, WA, USA  

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Professional Memberships

Works

  • アジアにおける多環芳香族炭化水素類(PAHs)の発生源特定とその広域輸送 Artistic work

    6 2009
    -
    3 2010

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    Work type:Artistic work  

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  • 渡り鳥尾腺ワックス中のマーカー分析による渡り経路の特定手法の開発 Artistic work

    7 2007
    -
    3 2008

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    Work type:Artistic work  

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  • 都市域水循環・再利用の観点から見た都市排水の水溶性微量汚染の評価 Artistic work

    4 2007
    -
    3 2008

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    Work type:Artistic work  

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  • 都市域水循環・再利用の観点から見た都市排水の水溶性微量汚染の評価 Artistic work

    4 2006
    -
    3 2007

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    Work type:Artistic work  

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  • 都市活動由来の汚染実態に関する研究 Artistic work

    4 2006
    -
    3 2007

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    Work type:Artistic work  

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  • 平成17年度インドシナ半島における水環境の化学汚染実態の解明と汚染除去技術の開発 Artistic work

    4 2005
    -
    3 2006

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    Work type:Artistic work  

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  • 都市域水循環・再利用の観点から見た都市排水の水溶性微量汚染の評価

    4 2005
    -
    3 2006

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  • インドシナ半島における水循環の化学汚染実態の解明と汚染除去技術の開発 Artistic work

    4 2004
    -
    3 2005

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    Work type:Artistic work  

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  • 都市域水循環・再利用の観点から見た都市排水の水溶性微量汚染の評価 Artistic work

    4 2004
    -
    3 2005

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    Work type:Artistic work  

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  • 遠隔地域の有機エアロゾルに対する人間活動の影響の解析 Artistic work

    8 2004
    -
    1 2005

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    Work type:Artistic work  

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▼display all

Research Projects

  • Analysis of MNPs dynamics and adverse effects on cerebrovascular and central vervous system.

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

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    4 2025 - 3 2030

    Grant number:25K12367

    Grant amount:\4680000 ( Direct Cost: \3600000 、 Indirect Cost:\1080000 )

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  • Establishment of benchmark data to evaluate Green Recovery in tropical Asia

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

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    10 2022 - 3 2026

    Grant number:22KK0165

    Grant amount:\20020000 ( Direct Cost: \15400000 、 Indirect Cost:\4620000 )

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  • Sources and behaviors of broad-spectrum phenolic endocrine distrusting chemicals (EDCs) and historical trends of their pollution

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

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    4 2020 - 3 2025

    Grant number:20H00627

    Grant amount:\46020000 ( Direct Cost: \35400000 、 Indirect Cost:\10620000 )

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  • Simultaneous measurement of nano-plastics and additives in biological tissue and evaluation of plastic-associated chemical exposure

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

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    6 2022 - 3 2024

    Grant number:22K19843

    Grant amount:\6370000 ( Direct Cost: \4900000 、 Indirect Cost:\1470000 )

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  • Large scale mapping of marine pollution risk using seabirds as a standardized sampling device

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

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    4 2019 - 3 2024

    Grant number:19H01157

    Grant amount:\44720000 ( Direct Cost: \34400000 、 Indirect Cost:\10320000 )

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  • Prediction and Control of Fecal Pollution by Combined Sewer Overflows in Urban Coastal Waters

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

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    4 2020 - 3 2023

    Grant number:20H02283

    Grant amount:\17810000 ( Direct Cost: \13700000 、 Indirect Cost:\4110000 )

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  • Studies on involvement of microbial food chain in biomagnification of organic pollutants accumlating on the surface of nanoplastics

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

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    4 2019 - 3 2023

    Grant number:19K12368

    Grant amount:\4290000 ( Direct Cost: \3300000 、 Indirect Cost:\990000 )

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  • 薬剤耐性ホットスポットとしての農場環境(堆肥・畜産排水)の実態把握と制御法の提案

    日本学術振興会  科学研究費助成事業 

    臼井 優, 東 剛志, 高田 秀重

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    4 2019 - 3 2023

    Grant number:19H04285

    Grant amount:\17420000 ( Direct Cost: \13400000 、 Indirect Cost:\4020000 )

    これまでの研究成果より、家畜排泄物中に含まれる薬剤耐性遺伝子の減少には、好気性堆肥化以上にバイオガスプラント処理が有効であることを証明することができた。しかし、バイオガスプラント処理は、設備のコストなどの問題から、すべての農場で実施可能ではないため、より安価で効率的な薬剤耐性対策が求められる。
    そこで、今年度は、薬剤耐性対策となり得る添加剤(カルシウムシアナミド)について、野外の豚農場の堆肥場で家畜排泄物に添加して、好気性堆肥化を実施し、薬剤耐性対策としての有効性を調べた。野外豚農場の堆肥場で、家畜排泄物と通常混合される副資材に加えて、耐性菌対策となり得ることが実験室内で示唆された添加剤を複数種類加えて、好気性堆肥化を実施した。堆肥は、継時的にサンプリングを行い、耐性菌量、薬剤耐性遺伝子量、残留抗菌薬量、pHなどが測定された。
    結果、添加剤を加えることにより、堆肥中の薬剤耐性菌量、耐性遺伝子量は、通常の好気性堆肥化以上に効率的に減少した。添加剤により堆肥中のpHが上昇することが、薬剤耐性菌を含む家畜由来細菌を効率的に死滅させたためであることが示唆された。添加剤を加えた堆肥については、有害な細菌が死滅されていることに加えて、pHが上昇したことにより、酸性土壌に対する良質な肥料として用いられることも期待される。
    今後、牛農場での添加剤の有効性の解明を行うことを計画している。また、超高温堆肥化の耐性菌対策としての有効性について証明することを計画している。

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  • Source Tracking and Prediction of Environmental Fate of Microplastics on Urban Water Cycle

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

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    4 2019 - 3 2023

    Grant number:19H00783

    Grant amount:\44330000 ( Direct Cost: \34100000 、 Indirect Cost:\10230000 )

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  • Analytical method development for nano-plastics in seawater : Concentration by using ultra-filtration and chemical characterization

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    Hideshige Takada

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    6 2019 - 3 2021

    Grant number:19K22906

    Grant amount:\6370000 ( Direct Cost: \4900000 、 Indirect Cost:\1470000 )

    Analytical method of nanoplastics in seawater has been developed as follows. One hundred liter of seawater was collected in stainless-steal container, transported to laboratory, and filtered by glass fiber filter (GF/F). The filtrate was ultra-filtered by using hollow fiber membrane and concentrated by freeze-dryer down to ~ hundreds mL. The colloidal aqueous solution was subjected to oxidation with hydrogen peroxide and hydrolyzed with potassium hydroxide. Nanoplastics were partitioned into hexane and subjected to gel-permeation chromatography. Polymer fraction was injected to pyrolysis-GC/MS and polyethylene (PE) and polystyrene (PS) was monitored on SIM mode at m/z = 83 and m/z = 91, respectively. No nanoplastics were significantly detected (PS < 0.4 ng/L) in the 100 L of seawater.

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  • 中東・アフリカ・南米の水質汚染解析による都市排水ユニバーサルマーカーの開発

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    2017 - 2021

    Grant type:Competitive

    Grant amount:\15990000 ( Direct Cost: \12300000 、 Indirect Cost:\3690000 )

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  • 尾腺ワックスを用いた鳥類のプラスチック汚染のグローバルサーベイランス

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    2016 - 2019

    Grant type:Competitive

    Grant amount:\41080000 ( Direct Cost: \31600000 、 Indirect Cost:\9480000 )

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  • 都市沿岸域における雨天時越流水に起因する糞便汚染の評価手法の開発

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    2017 - 2017

    Grant type:Competitive

    Grant amount:\650000 ( Direct Cost: \500000 、 Indirect Cost:\150000 )

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  • マイクロプラスチックを介した魚貝類への化学物質曝露のモデル化と将来予測

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    2016 - 2017

    Grant type:Competitive

    Grant amount:\3640000 ( Direct Cost: \2800000 、 Indirect Cost:\840000 )

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  • 沖縄県内の海岸漂着物に含まれる有機汚染物質の生物への移行・蓄積の調査

    日本エヌ・ユー・エス株式会社 

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    12 2015 - 3 2016

    Grant type:Competitive

    Grant amount:\383400 ( Indirect Cost:\115020 )

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  • 沿岸から大洋を漂流するマイクロプラスチックスの動態解明と環境リスク評価(マイクロプラスチックスによる汚染物質輸送の実態解明)

    九州大学 

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    5 2015 - 3 2016

    Grant type:Competitive

    Grant amount:\9682992 ( Indirect Cost:\2903008 )

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  • 漂着ごみ等生態系影響把握調査(マイクロプラスチックが吸着した有害物質の分析)

    内外地図株式会社 

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    10 2015 - 2 2016

    Grant type:Competitive

    Grant amount:\3672000 ( Indirect Cost:\1101600 )

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  • 人為・自然撹乱された熱帯アジアの水環境における抗生物質汚染と薬剤耐性遺伝子の動態

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    2016 - 2016

    Grant type:Competitive

    Grant amount:\1170000 ( Direct Cost: \900000 、 Indirect Cost:\270000 )

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  • 都市沿岸域における雨天時越流水に起因する糞便汚染の評価手法の開発

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    2016 - 2016

    Grant type:Competitive

    Grant amount:\1950000 ( Direct Cost: \1500000 、 Indirect Cost:\450000 )

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  • 平成26年度漂着プラスチックにおける化学物質分析

    日本エヌ・ユー・エス株式会社 

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    1 2015 - 3 2015

    Grant type:Competitive

    Grant amount:\540000 ( Indirect Cost:\124000 )

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  • 人為・自然撹乱された熱帯アジアの水環境における抗生物質汚染と薬剤耐性遺伝子の動態

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    2015 - 2015

    Grant type:Competitive

    Grant amount:\2795000 ( Direct Cost: \2150000 、 Indirect Cost:\645000 )

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  • プラスチックによる海洋汚染の歴史と進行速度の柱状堆積物を用いた解析

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    2014 - 2015

    Grant type:Competitive

    Grant amount:\3900000 ( Direct Cost: \3000000 、 Indirect Cost:\900000 )

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  • POPs in Pellets Assessment

    UNESCO/IOC(国際連合教育科学文化機関 政府間海洋学委員会) 

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    4 2014 - 7 2014

    Grant type:Competitive

    Grant amount:\374824 ( Indirect Cost:\86487 )

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  • POPs in Pellets Assessment

    UNESCO/IOC(国際連合教育科学文化機関 政府間海洋学委員会) 

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    11 2013 - 3 2014

    Grant type:Competitive

    Grant amount:\1092698 ( Indirect Cost:\327761 )

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  • 人為・自然撹乱された熱帯アジアの水環境における抗生物質汚染と薬剤耐性遺伝子の動態

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    2014 - 2014

    Grant type:Competitive

    Grant amount:\2730000 ( Direct Cost: \2100000 、 Indirect Cost:\630000 )

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  • 海洋漂流プラスチック中の化学物質の存在・分布と海洋生物への移行

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    2011 - 2014

    Grant type:Competitive

    Grant amount:\19630000 ( Direct Cost: \15100000 、 Indirect Cost:\4530000 )

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  • 人為・自然撹乱された熱帯アジアの水環境における抗生物質汚染と薬剤耐性遺伝子の動態

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    2013 - 2013

    Grant type:Competitive

    Grant amount:\2899000 ( Direct Cost: \2230000 、 Indirect Cost:\669000 )

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  • 下水マーカーを用いた都市地下水汚染の高感度検出と汚染源特定

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    2012 - 2013

    Grant type:Competitive

    Grant amount:\4030000 ( Direct Cost: \3100000 、 Indirect Cost:\930000 )

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  • アフリカ・アジアの水環境汚染実態と汚染メカニズムの比較解析

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    2010 - 2013

    Grant type:Competitive

    Grant amount:\46800000 ( Direct Cost: \36000000 、 Indirect Cost:\10800000 )

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  • 平成23年度環境研究総合推進費(アジアにおける多環芳香族炭化水素類(PAHs)の発生源特定とその広域輸送)による研究委託業務

    環境省 

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    4 2011 - 3 2012

    Grant type:Competitive

    Grant amount:\12880003 ( Indirect Cost:\3863997 )

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  • 海鳥を食物網と汚染のトレーサーとした海洋生態系モニタリング

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    2012 - 2012

    Grant type:Competitive

    Grant amount:\2470000 ( Direct Cost: \1900000 、 Indirect Cost:\570000 )

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  • 平成22年度環境研究総合推進費(アジアにおける多環芳香族炭化水素類(PAHs)の発生源特定とその広域輸送(その1)

    環境省 

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    4 2010 - 3 2011

    Grant type:Competitive

    Grant amount:\13437863 ( Indirect Cost:\4031137 )

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  • 海鳥を食物網と汚染のトレーサーとした海洋生態系モニタリング

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    2011 - 2011

    Grant type:Competitive

    Grant amount:\1820000 ( Direct Cost: \1400000 、 Indirect Cost:\420000 )

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  • Development of evaluation approach for behaviors of health risk factors derived from combined sewer overflow

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    FURUMAI Hiroaki, KATAYAMA Hiroyuki, KURISU Futoshi, KASUGA Ikuro, KOIBUCHI Yukio, TAKADA Hideshige, NIHEI Yasuo

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    2009 - 2011

    Grant number:21246084

    Grant amount:\39520000 ( Direct Cost: \30400000 、 Indirect Cost:\9120000 )

    The objective of this study is to evaluate the effect of pollutant load derived from combined sewer overflow(CSO) on water quality in urban coastal area after rainfall event. Then, evaluation technique of health risk in water amenity area, such as Odaiba, was developed. Based on various results of urban runoff analysis, the CSO occurrence was characterized by categorized rainfall pattern. It is possible to predict the behavior of E. coli in Odaiba area by 3-dimentional water quality model in which the tidal effect and pollutant loads from pumping station and waste water treatment plant were considered.

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  • アジアにおける多環芳香族炭化水素類(PAHs)の発生源特定とその広域輸送

    環境省 

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    6 2009 - 3 2010

    Grant type:Competitive

    Grant amount:\13440359 ( Indirect Cost:\4031641 )

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  • 総合モデルによるメコンデルタ運河網における畜産廃棄物汚染メカニズムの解明と対策

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    2010 - 2010

    Grant type:Competitive

    Grant amount:\555000 ( Direct Cost: \555000 )

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  • 海鳥を食物網と汚染のトレーサーとした海洋生態系モニタリング

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    2010 - 2010

    Grant type:Competitive

    Grant amount:\1690000 ( Direct Cost: \1300000 、 Indirect Cost:\390000 )

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  • インドシナ半島の養殖場における抗生物質汚染と薬剤耐性遺伝子の拡大

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    2010 - 2010

    Grant type:Competitive

    Grant amount:\1300000 ( Direct Cost: \1000000 、 Indirect Cost:\300000 )

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  • 魚類の有機ハロゲン化合物代謝能の支配因子:淡水魚の高い代謝能獲得原因の解明

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    2009 - 2010

    Grant type:Competitive

    Grant amount:\3200000 ( Direct Cost: \3200000 )

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  • 医薬品・抗生物質の沿岸海域における分布・動態と生物影響

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    2007 - 2010

    Grant type:Competitive

    Grant amount:\19890000 ( Direct Cost: \15300000 、 Indirect Cost:\4590000 )

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  • 総合モデルによるメコンデルタ運河網における畜産廃棄物汚染メカニズムの解明と対策

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    2009 - 2009

    Grant type:Competitive

    Grant amount:\585000 ( Direct Cost: \585000 )

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  • 海鳥を食物網と汚染のトレーサーとした海洋生態系モニタリング

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    2009 - 2009

    Grant type:Competitive

    Grant amount:\4290000 ( Direct Cost: \3300000 、 Indirect Cost:\990000 )

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  • 窒素安定同位対比を用いたPCBs及びPBDEsの各異性体毎の生物濃縮特性の解析

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    2009 - 2009

    Grant type:Competitive

    Grant amount:\1170000 ( Direct Cost: \900000 、 Indirect Cost:\270000 )

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  • インドシナ半島の養殖場における抗生物質汚染と薬剤耐性遺伝子の拡大

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    2009 - 2009

    Grant type:Competitive

    Grant amount:\1300000 ( Direct Cost: \1000000 、 Indirect Cost:\300000 )

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  • Assessment and countermeasures of groundwater contamination by perfluorinated organic compounds

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    TAKIZAWA Satoshi, OGUMA Kumiko, TOKUNAGA Tomochika, TAKADA Hideshige

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    2007 - 2009

    Grant number:19360237

    Grant amount:\20020000 ( Direct Cost: \15400000 、 Indirect Cost:\4620000 )

    Fifty-three groundwater samples were collected from springs, confined and unconfined aquifers in Tokyo. Thirteen species of perfluorinated carbons (PFCs), as well as pharmaceuticals, were analyzed. High concentrations of PFCs were detected in springs and unconfined aquifers, but PFCs were also detected in confined aquifers, which indicated the wide-spread contamination of groundwaters in Tokyo by PFCs.

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  • 熱帯アジアの環境汚染史の柱状堆積物を用いた復元

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    2007 - 2009

    Grant type:Competitive

    Grant amount:\16380000 ( Direct Cost: \12600000 、 Indirect Cost:\3780000 )

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  • 渡り鳥尾腺ワックス中のマーカー分析による渡り経路の特定手法の開発

    独立行政法人科学技術振興機構 

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    7 2007 - 3 2008

    Grant type:Competitive

    Grant amount:\2000000 ( Indirect Cost:\461000 )

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  • 都市域水循環・再利用の観点から見た都市排水の水溶性微量汚染の評価

    独立行政法人科学技術振興機構 

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    4 2007 - 3 2008

    Grant type:Competitive

    Grant amount:\1820000 ( Indirect Cost:\420000 )

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  • 窒素安定同位対比を用いたPCBs及びPBDEsの各異性体毎の生物濃縮特性の解析

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    2008 - 2008

    Grant type:Competitive

    Grant amount:\1365000 ( Direct Cost: \1050000 、 Indirect Cost:\315000 )

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  • 海鳥を食物網と汚染のトレーサーとした海洋生態系モニタリング

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    2008 - 2008

    Grant type:Competitive

    Grant amount:\3965000 ( Direct Cost: \3050000 、 Indirect Cost:\915000 )

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  • 総合モデルによるメコンデルタ運河網における畜産廃棄物汚染メカニズムの解明と対策

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    2008 - 2008

    Grant type:Competitive

    Grant amount:\700000 ( Direct Cost: \700000 )

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  • 外洋性海鳥・渡り鳥の尾腺分泌ワックスを用いた地球規模POPsモニタリング

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    2007 - 2008

    Grant type:Competitive

    Grant amount:\3400000 ( Direct Cost: \3400000 )

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  • 都市活動由来の汚染実態に関する研究

    国立大学法人愛媛大学 

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    4 2006 - 3 2007

    Grant type:Competitive

    Grant amount:\3200000

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  • 都市域水循環・再利用の観点から見た都市排水の水溶性微量汚染の評価

    独立行政法人科学技術振興機構 

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    4 2006 - 3 2007

    Grant type:Competitive

    Grant amount:\1131000 ( Indirect Cost:\261000 )

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  • 窒素安定同位対比を用いたPCBs及びPBDEsの各異性体毎の生物濃縮特性の解析

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    2007 - 2007

    Grant type:Competitive

    Grant amount:\1400000 ( Direct Cost: \1400000 )

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  • Study on the development of bioassay system for organic halogenated compounds with thyroid-disrupting activity

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    YAMAUCHI Kiyoshi, ISHIHARA Akinori, TAKADA Hideshige

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    2004 - 2007

    Grant number:16310038

    Grant amount:\11840000 ( Direct Cost: \11600000 、 Indirect Cost:\240000 )

    In vertebrates, thyroid hormones are essential for post-embryonic development, such as establishing the central nervous system in mammals and metamorphosis in amphibians. The present study focused on the extra-thyroidal processes that environmental chemicals are known to or suspected to target in the thyroid hormone-signaling pathway. We developed three in vitro and one in vivo bioassays, which detect chemicals interfering with thyroid hormone binding to plasma transthyretin (TTR assay), thyroid hormone binding to nuclear receptor (TR assay), induction of thyroid hormone-dependent reporter gene expression (Luc assay, and gene expression during thyroid hormone-induced amphibian metamorphosis (metamorphosis assay). Several organohalogens affect different aspects of the extra-thyroidal thyroid-hormone-signaling pathway but hardly affect thyroid hormone binding to receptors. Amphibian tadpoles are most sensitive to the effects of environmental chemicals during specific thyroid-hormone-related developmental windows. The thyroid hormone-disrupting activity of contaminants in aquatic environments in Japan and Thailand was surveyed by these bioassays. Our assays demonstrated that wastewater treatment effectively removed the TH-disrupting contaminants from wastewater in paper manufacturing plants and sewage-treatment plants. The Luc assay indicated that sewage-treatment plant effluents in Japan contained Ta-like activity whereas that in Thailand contained anti-Ta-like activity. It is likely that the three in vitro bioassays detected the same or different contaminants with TH-disrupting activity in a water sample-dependent manner. Our results indicate that a combination of several in vitro bioassays facilitates the rapid screening of environmental water samples to identify the locations of contaminants with TH-disrupting activity.

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  • 都市域水循環・再利用の観点から見た都市排水の水溶性微量汚染の評価

    独立行政法人科学技術振興機構 

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    4 2005 - 3 2006

    Grant type:Competitive

    Grant amount:\300000 ( Indirect Cost:\90000 )

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  • 平成17年度インドシナ半島における水環境の化学汚染実態の解明と汚染除去技術の開発

    国立大学法人愛媛大学 

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    4 2005 - 3 2006

    Grant type:Competitive

    Grant amount:\3810000

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  • 海岸漂着プラスチック小粒を用いた海洋POPs汚染の地球規模モニタリング

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    2005 - 2006

    Grant type:Competitive

    Grant amount:\3400000 ( Direct Cost: \3400000 )

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  • Occurrence and Control of Polar Persistent Pollutants (P3) in Urban Wastewater

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    TANAKA Hiroaki, FUJII Shigeo, KOSHIKAWA Hiromoto, TAKADA Hideshige, SUZUKI Yutaka, YAMASHITA Naoyuki

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    2004 - 2006

    Grant number:16360263

    Grant amount:\15100000 ( Direct Cost: \15100000 )

    Pharmaceutical and personal care products (PPCPs) including medical drugs and cosmetics are commonly used in daily life, which are being recognized emerging pollutants causing potential environmental issues. Most of them are less biodegradable and polar to some extent called "Persistent Polar Pollutant(P3)" which am expected to be less effectively removed during conventional wastewater treatment.
    This study mainly focused on the commence and reduction of PPCPs in sewage treatment where most of domestic wastewater axe collected because they are deemed to be their major portal site to the water environment. In addition this study she focused on initial risk evaluation of PPCPs associated with wastewater in sewage treatment based on their ea: don-laity data and on their biodegradability by batch experiment using activated sludge.
    SPE-LC/MS/MS method far measurement of PPCPs in sewage and sludge were applied for a few selected antibiotics at the early stage and for around 50 PPCPs at the final stage in this study. From the results of influent sewage, many PPCPs were detected and wets found to range at the order of 10ng/L to 10μg/L. Caffeine (10μg/L), acetaminophen (8.4μg/L.), bezafibrate (2.7μg/L), theophylline (2.0μg/L), clarithromycin (1.4μg/L), sulpiride(1.1μg/L) etc. occurred at higher concentrations. Their removal efficiencies ranged 30-100% during conventional biological treatment, which indicated removal efficiencies greatly depend on characteristics of PPCPs. Around 80 % of reduction of PPCPs residing in secondary effluent could be expected by ozonation following biological treatment for many PPCPs, but disopiramide and ketoprofen were less effectively removed as low as 60% even by ozonation, which resulted in 100ng/L or more concentration after ozonation. Risk quotient that can be calculated from MEC/NOEC based on algal growth inhibition test was evaluated during wastewater treatment. The risk quotient of each PPCP exceeded one in influent sewage and decreased to less than 1 after biological treatment, and finally decreased to 0.1 after oznation. When batch treatment of PPCPs using activated sludge was conducted, PPCP concentrations in water were monitored. The difference in elimination rates of their concentrations between common activated sludge and that manipulated for inactivation can be assumed apparent biodegradability. Reduction of PPCPs in water seemed to be afflicted by biodegradability for many PPCPs, but less for antibiotics and germicides. Positive relationship between reduction of PPCPs in the actual sewage process and their apparent biodegradability was observed.

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  • インドシナ半島における水循環の化学汚染実態の解明と汚染除去技術の開発

    国立大学法人愛媛大学 

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    4 2004 - 3 2005

    Grant type:Competitive

    Grant amount:\3810000

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  • 都市域水循環・再利用の観点から見た都市排水の水溶性微量汚染の評価

    独立行政法人科学技術振興機構 

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    4 2004 - 3 2005

    Grant type:Competitive

    Grant amount:\320000 ( Indirect Cost:\96000 )

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  • 遠隔地域の有機エアロゾルに対する人間活動の影響の解析

    独立行政法人産業技術総合研究所 

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    8 2004 - 1 2005

    Grant type:Competitive

    Grant amount:\950000

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  • 熱帯アジア水域および魚介類の自動車由来物質による汚染実態の把握

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    2003 - 2005

    Grant type:Competitive

    Grant amount:\9800000 ( Direct Cost: \9800000 )

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  • 医薬品起源化物質の水環境下の分布・動態・生物影響

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    2003 - 2004

    Grant type:Competitive

    Grant amount:\3700000 ( Direct Cost: \3700000 )

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  • フェノール系内分泌攪乱物質による野生生物の汚染と生体畜積特性の解明

    日本学術振興会  科学研究費助成事業 

    高田 秀重, 熊田 英峰, 高田 秀重

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    2002 - 2003

    Grant number:14042262

    Grant amount:\4200000 ( Direct Cost: \4200000 )

    鳥島で採取されたアホウドリの雛の吐瀉物10試料をプラスチックとそれ以外の内容物(大部分は魚介類;以下非プラスチックと略す)に目視により分け、それぞれについて重量の測定並びにPCBs、DDEおよびアルキルフェノール類の分析を行った。10試料中9試料からプラスチックが検出された。吐瀉物中のプラスチックの割合(乾燥重量比)は最大66%であった。プラスチックから数十ng/gのPCBsが検出された。この濃度は非プラスチック吐瀉物中の濃度と同程度あるいは一桁低かった。吐瀉物中のPCBs全量に占めるプラスチック由来のものの寄与は10試料中2試料で21%および55%と大きく、プラスチックが生物へのPCBsの輸送媒体になる可能性を示した。しかし、他の8試料ではプラスチックからの寄与は数%程度であった。DDEについても同様の傾向が認められた。
    プラスチック中のノニルフェノール濃度は数十ng/gであった。一方、非プラスチック吐瀉物からもノニルフェノールは検出され、その濃度はプラスチック中の濃度よりも高かった。特に、プラスチックが含有されていなかった試料からもノニルフェノールが検出されたことから、アホウドリが摂食する魚介類のノニルフェノール汚染が示唆された。吐瀉物中のノニルフェノール全量に占めるプラスチック由来のものの寄与は12%〜36%と有意な寄与が明らかとなった。しかし、非プラスチックからの寄与が全般に大きく、魚介類からのノニルフェノールの取り込みの寄与が大きいことが示唆された。

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  • 内分泌撹乱物質の人体汚染における次世代への影響とリスク評価

    日本学術振興会  科学研究費助成事業 

    森 千里, 長田 久夫, 外山 芳郎, 小宮山 正敏, 深田 秀樹, 原 寿郎, 足達 哲也, 高田 秀重, 磯野 協一

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    2001 - 2003

    Grant number:13027210

    Grant amount:\50000000 ( Direct Cost: \50000000 )

    新生児の臍帯血に含まれる植物エストロゲンについて検討した結果、genisteinとdaidzeinがほとんどの胎児から検出され、母親より濃度が高く、equolは約半数から検出され母親の方が高濃度であること、またcoumestrolは検出限界以下であることが判明した。エピジェネティック解析からのリスク評価を目指し、DNAメチル化状態を網羅的に解析できるRLGS法を用いて、マウス新生仔期ジエチルスチルベストロール(DES)曝露の影響を調べたところ、精巣上体や子宮におけるDNAメチル化状態が長期的、濃度依存的、かつ臓器特異的パターンで変化することが判明した。メチル化が変化する遺伝子のいくつかについてクローニングを行った。これら化学物質曝露によるメチル化の変化は、過去の曝露履歴を表すマーカーになると考えられた。エストラジオール、ビスフェノールA、フルタミド等へのマウス新生仔期曝露により、精子頭部に奇形の生じることが明らかになり、作用メカニズムとしてセルトリ細胞・精子細胞間の特殊接合装置への影響が判明した。また、複数の化学物質への複合曝露の場合、低濃度域における影響が増強される現象を見出した。ヒト臍帯血、母体血、乳児血、成人血の単核球におけるそれぞれの基礎的遺伝子発現および3MCを用いた誘導による発現の比較により、単核球の種類によりその特徴的な違いが明らかになった。母親での曝露量や蓄積量を減らすことで胎児の複合曝露を減ずることが可能であると判明したため、母親の曝露状況改善のための環境教育やリスクコミュニケーションの活用と、体内蓄積量の削減方法の開発を行った。

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  • 道路交通系エミッションに伴う汚染動態の特性評価と管理手法の開発

    日本学術振興会  科学研究費助成事業 

    古米 弘明, 高田 秀重, 田中 宏明, 小野 芳朗, 福士 謙介, 谷口 守

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    2002 - 2002

    Grant number:14605019

    Grant amount:\2400000 ( Direct Cost: \2400000 )

    道路交通系エミッションに伴う微量汚染物質の"Fate"を定量的に把握して、その水環境中への排出量や動態特性を踏まえた水域へのインパクト評価へつながる研究シナリオを議論した.
    研究会合は,当初は年間で二回開催を想定していたが,結果として7月3日,8月30日,11月5日,3月7日の計4回行い,さらに3月20日には公開のワークショップも東京大学にて開催した.
    研究会合においては,各研究者の専門分野における研究レビューを他の構成員に紹介することを通じて、他分野での新しいアプローチや解析手法の適用可能性の検討を行ない、研究プロジェクトシナリオの概念形成に関して論議を重点的に行った.特に多環芳香族炭化水素類に着目して、(1)道路交通系汚染物質インベントリー作成、(2)エミッションファクターの整理、(3)汚染物質の起源解析と排出過程調査手法、(4)雨天時汚濁負荷モデル解析手法、(5)都市交通と下水道システムとの相互関係評価、(6)ヒトや生態系への健康・毒性影響、(7)インパクト評価およびリスク管理指標の構築、(8)汚濁削減のための規制や管理・制御手法,などが議論の対象となった。これらの検討や議論を通じて、研究プロジェクト立ち上げに必要となる人的ネットワークや連携方法の検討、得られる研究成果の公表や情報発信のあり方についても議論した。
    公開のワークショップにおいては,「発生源特性と大気中挙動」「雨天時挙動と環境影響」という二つのセッションを設け,多環芳香族炭化水素に焦点をあてながらも道路交通由来の多様な汚染物質に関する最新の研究成果や今後の研究課題に関して議論を行った.研究分担者だけでなく,国内の他の研究者も招聘し,約50名の出席者を得た.個別の研究内容に関する討論だけでなく,今後のこの分野の研究の方向性や研究プロジェクトの推進の仕方について議論を深めた.

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  • Examination of estrogenic potencies of each enantiomer on marine fish larva and influence analysis to resources

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    HASHIMOTO Shinya, STRUSSMANN Carlos Augusto, TAKADA Hideshige, WATANABE Seiichi

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    2000 - 2001

    Grant number:12660164

    Grant amount:\4100000 ( Direct Cost: \4100000 )

    A histological examination was conducted to assess the possibility of gonadal pathologies in four populations of konoshiro gizzard shad from Japan. Fish were collected off Haneda and off Futtsu in Tokyo Bay, off Zushi in Sagami Bay, and in Hamanako Sound. The location off Haneda corresponds to the site where feminized flounder have been previously reported. We also analyzed serum steroids in fish and muscle concentration of nonylphenol in fish. Intersex characteristics, such as the presence of perinucleolar oocytes, were found in 3 out of 73 males collected off Haneda but not in males from the other sites. Congestion-like pathologies were found in the ovaries of 2 females collected off Haneda and 2 from Sound Hamanako. Neither of these pathologies was correlated with the serum steroid hormone levels or with the size of the fish. The average concentration of nonylphenol in males collected off Haneda was significantly larger than that of males from Sagami Bay. Collectively, these findings suggest the possibility of endocrine disruption of normal gametogenesis in fish from some areas of Tokyo Bay and that this problem could be more widespread than currently recognized.
    An automated enantiomeric isolation system was developed using a gas chromatograph-preparative fraction collector to separate the enantiomers of chiral compounds. This system eliminate the need for a manual collection procedure after separation by gas chromatography. To evaluate the usefulness of this system we applied it to the separation and collection of the enantiomers of. -hexachlorocyclohexane, and we' measured the estrogenic potency of each enantiomer. Both enantiomers of. -HCH showed similar estrogenic activity. We concluded that this analytical method is suitable for the determination of the estrogenic activity of other chiral compounds. Such determinations are essential because enantiomers differ considerably in how they accumulate in organisms and decompose in the environment.

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  • Catchment study on micro-constituents derived from combustion of fossil fuels

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    OGURA Norio, YOH Muneoki, TAKADA Hideshige, DOKIYA Yukiko, UEDA Shingo

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    1999 - 2001

    Grant number:11480128

    Grant amount:\13800000 ( Direct Cost: \13800000 )

    In order to study geochemical behavior of micro-constituents derived from combustion of fossil, fuels, samples of atomospheric deposition(wet and dry) ,aerosol, surface water and soil were collected at the small forest catchment areas in the suburb of Tokyo, Yamanashi, Tochigi and Nagano Prefectures.
    Material cycles were studied at the watershed of Lake Meike, Nagano Pref. Alkalinity and electric conductivity in Lake Meike were very low, and therefore Lake Meike is considered to be sensitive ; to acid deposition. Similar studies were carried out at Lake Shibire, Yamanashi Pref., and it was estimated that a part of sulfate in atmospheric deposit were transported from northern areas and nitrate was mainly from southern urban areas.
    Proportion of nitrate to non-sea salt sulfate in wet deposition was higher at the forest area in Tama Hill(1.1), than that of average value in Japan(0.35).
    It was suggested that nitrogen saturation may occur, judging- from high nitrate concentration in surface running water, vertical profile of nitrate in soil and high leaching rate of nitrate from soil, at the forest catchment area in Tama Hill, Tokyo, where emission of dinitrogen oxide, greenhouse effect gas, was observed to be high, compared with other forest areas.
    It was estimated from the measurement of stable sulfur isotope ratio( ^<34>S)of sulfate, sulfur dioxide emitted at the Asia continent is transported, oxidized to sulfate in the skies of Japan and then deposited to Japan island.
    It was suggested that a part of polycyclic aromatic hydrocarbons(PAHs)derived from combussion of fossil fuels were trapped to wax layers of the leaf and or deposited on the surface of the leaf, and then supplied to the forest floor by rainfall.

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  • 東アジア諸地域から発生するエアロゾル中の炭素系物質の化学的キャラクタリゼーション

    日本学術振興会  科学研究費助成事業 

    高田 秀重, 熊田 英峰, 森永 茂生

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    1999 - 1999

    Grant number:11131208

    Grant amount:\2000000 ( Direct Cost: \2000000 )

    今年度は脂肪酸の測定を集中的に行った。日本(横浜)、中国(北京)とマレーシア(クアラルンプール郊外)のエアロゾルからC_8-C_<34>脂肪酸が検出された。飽和脂肪酸は、何れの試料も偶数炭素が優位な分布を示し、C_<16>(パルミチン酸)及びC_<18>(ステアリン酸)が高い濃度であった。また、不飽和脂肪酸ではC_<18:1>(オレイン酸)とC_<18:2>(リノール酸)が優勢であった。この分布の特徴は、陸上植物の葉のワックス中の脂肪酸分布に類似しており、これらのエアロゾル中の脂肪酸のほとんどが高等植物から供給されていることを示している。マレーシア、中国、日本のエアロゾル中の脂肪酸の割合(%)の範囲は、各々0.35-3.28(1.26±0.68)、0.09-0.62(0.39±0.18)、0.13-0.86(0.33±0.18)であり、明らかにマレーシアの値が高いことがわかった。また、全脂肪酸中の高分子量脂肪酸(C_<20>-C_<30>)の割合(%)も、3.6-62.0(27.6±23.0)、3.4-22.9(8.3±5.6)、4.4-16.1(11.1±2.9)となり、マレーシアが明かに高い値であった。上記のようにマレーシアのエアロゾル中では他の2地域に比べて脂肪酸濃度が高いことが明らかになった。また、昨年度の研究からは中国の冬期のエアロゾル中では多環芳香族炭化水素類濃度が高いこと明らかになっている(熊田ら、2000)。そこで、脂肪酸濃度と多環芳香族炭化水素類濃度のダイアグラムを描いて考察を行った。その結果、(1)中国の冬期試料、(2)マレーシア試料、(3)中国夏期試料・日本試料の3つのクラスターに分類された。今年度の研究から、エアロゾル中の脂肪酸濃度、脂肪酸組成、および脂肪酸と多環芳香族炭化水素類の比率が3つの地域で発生するエアロゾルの区別に有効であることを明らかにした。

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  • MUSSEL WATCH : MARINE POLLUTION MONITORING IN ASIAN WATERS

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    TANABE Shinsuke, IWATA Hisato, TAKADA Hideshige, KUNITO Takashi

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    1997 - 1999

    Grant number:09041163

    Grant amount:\11200000 ( Direct Cost: \11200000 )

    In this project, mussels from South Korea, Russia, China, Hong Kong, Philippines, Vietnam, Malaysia, Cambodia, Thailand, Indonesia and India were collected and studied for monitoring marine pollution by persistent organochlorines such as PCBs, DDTs (DDT and its metabolites), CHLs (chlordane compounds), HCHs (hexachiorocyclohexanes) and HCB (hexachiorobenzene), and organotin compounds such as tributyltin (TBT), dibutyltin (DBT) and monobutyltin (MBT). Sediments, fishes, birds, small cetaceans etc. were also sampled from some of these countries and investigated on the marine pollution. Although chemical analyses am not yet completed, the following tentative results were obtained ;
    Butyltins (BTs) and organochiorine compounds (Ocs) in mussels, sediments and biological samples revealed widespread contamination along the coastal waters of Asian developing countries. Relatively high concentrations of BTs were found at locations with intensive boating activities and coastal aquaculture facilities, implying the usage of TBT as a biocide in antifouling paints used on boat hulls and in marine aquaculture. The composition of BT derivatives in mussels were in the order of TBT> DBT > MBT, suggestive of the presence of recent sources in Asian coast. While concentrations of Ocs in mussels were less than BTs, CC residues were apparently dominant in higher trophic animals such as birds and small cetaceans. Considerable residues of p,p-DDT found in mussels indicated current usage of DDT for public health purposes in Asia. HCHs and DDTs contamination in India was apparently higher than in other Asian developing countries. These results clearly indicated that the aquatic environment in the Asia-Pacific region still experience Ocs input.
    We believe that this is a first comprehensive report on the monitoring of marine pollution by toxic organochlorines and organotins in Asian developing countries, using mussels as bioindicators.

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  • 東アジア諸地域から発生するエアロゾル中の炭素系物質の化学的キャラクタリゼーション

    日本学術振興会  科学研究費助成事業 

    高田 秀重, 熊田 英峰

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    1998 - 1998

    Grant number:10144207

    Grant amount:\2300000 ( Direct Cost: \2300000 )

    主要な燃焼有機物が異なる東アジアの3つの地域(石炭を主要なエネルギー源とする中国、石油を主要なエネルギー源とする日本、焼き畑や森林火災により木材が大量に燃やされているマレーシア)でエアロゾルを採取・分析し、それぞれの地域の燃焼有機物に特異的な有機化合物の発見することを目的として研究を進めた。
    マレーシアの試料はクアラルンプール近郊のマレーシア農科大学Dept.of Environmental Science屋上でハイボリュームエアサンプラーを設置、1997年9月に起きた森林火災による煙害(haze)の時期から採取を始めた。hazeの観測された期間中は、hazeの発生とその程度によって不定期的に試料採取を行ったが、1998年1月以降は毎月1〜2回の頻度で採取した。中国の試料は北京市北部にある中国科学院動物研究所の構内で地表にハイボリュームエアサンプラー(柴田科学製 HV1000)を設置し、1998年7月から毎月1回の頻度で採取した。日本では、神奈川県横浜市青葉区に位置する桐蔭横浜大学工学部E棟屋上および東京都府中市幸町に位置する東京農工大学農学部5号館屋上で、ハイボリュームエアサンプラー(柴田科学製 HV1000 叉はStaplex社製 TFIA-2)を設置し、エアロゾル試料を採取した。
    マレーシア、中国、日本のエアロゾルの分析の結果からDimethylphenanthrenesの相対組成が森林火災由来のエアロゾルを他の起源のエアロゾルと区別する指標となりうることが示唆された。一方、他の多環芳香族炭化水素類の組成は燃焼温度に支配されている部分が多く、燃焼起源物質の質を反映した指標の検出は困難であった。また、脂肪酸に関しては不飽和脂肪酸の割合がエアロゾルの新鮮度の指標になりうる可能性が示唆された。

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  • EVALUTION OF UTILITY OF FLUORESCENT WHITENING AGENTS AS MOLECULAR MARKERS.

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    TAKADA Hideshige

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    1997 - 1998

    Grant number:09640579

    Grant amount:\2800000 ( Direct Cost: \2800000 )

    Sensitive analytical method of fluorescent whitening agents (FWAs) using HPLC with fluorescent detector have reveled the distributions and behaviors two stilbene-type FWAs (DSBP and DAS 1) in Tokyo Bay and adjacent aquatic environments. Monitoring of wastewater influents and effluents indicates that approximately 60 % of DSBP and 80 % of DAS 1 are removed during primary and secondary treatments. These removal efficiencies are less than those for the other water-soluble molecular markers (e.g. LAS, > 95%), suggesting that FWAs are better markers of wastewater effluents. Comparison of their concentrations in the effluents and quantitation limits gives theoretical maximum detectable dilution of - 10^4S.Removal of FWAs in estuary where many chemical constituents are removed has been studied in the Tamagawa Estuary. Salinity vs. FWAs concentration diagram demonstrated that FWAs, especially DAS 1 behave conservatively in the estuary. Removal of FWAs in the estuary is calculated at 3 % for DAS 1 and 40 % for DSBP based on the mixing diagram. These removals are much less than that for LAS.These poor removals are consistent with the finding that FWAs are widely distributed in Tokyo Bay water with their concentrations ranging from 0.005 mug/L to 4 mug/L.The present results demonstrated that FWAs are potentially powerful molecular markers in tracking wastewater effluents in coastal zones. In addition to their concentrations, the relative abundance (i.e. DSBP/DAS1 ratio) could be indicator of history of water mass. FWAs have been analyzed for a sediment core sample from Tokyo Bay. Their vertical distributions are consistent with the production history of both compounds, demonstrating the usefulness of FWAs as geochronometers.

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  • Geochemical studies on micro-constituents derived from coal combustion

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    OGURA Norio, UEDA Shingo, YOH Muneoki, TAKADA Hideshige

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    1997 - 1998

    Grant number:09440190

    Grant amount:\5500000 ( Direct Cost: \5500000 )

    In order to study geochemical behavior of atmospheric pollutants derived from coal combustion, samples of atomospheric deposition(wet and dry), aerosol and soil were collected at small forest catchment areas in the suburbs of Tokyo and Beijing.
    Deposition of sulfate and fluoride ions in Beijing were several times higher than in Tokyo. Especially, about 105% of fluoride input discharged from the catchmnent in Beijing, however about 81% of input accumulated in the catchment in Tokyo.
    Nitrate and sulfate ions were accumulated at surface soil layers of the forest catchment in Beijing and Tokyo, respectively.
    It was estimated from the measurement of stable sulfur isotope ratio(delta^<34>S) of sulfate, non-sea salt sulfate with high delta^<34>S value observed at Japan Sea side during winter is transported to the Kanto Plain across the inland mountainous area. Concentration of fluoride ion in atmospheric deposition was low in summer and high from winter to spring ; this suggests influences of long-range transportation of atmospheric pollutants by coal combustion.
    Concentrations of polycyclic aromatic hydrocarbons(PAHs) in aerosol was about 10 times higher in Beijing than in Tokyo, and it was estimated from the ratio of fluoranthene to pyrene, that proportion of emission from stationary sources such as factories is high in Beijing, on the contrary that from automobiles is high in Tokyo.
    It was estimated from the ratio of benzo-(a)pyrene to benzo-(e)pyrene in aerosol collected at Matsue City, Shimane Prefecture, these PAHs were transported by long distance, and proportion of emission from stationary source was high.

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  • 都市沿岸域における残留PCB濃度の予測と低減策

    日本学術振興会  科学研究費助成事業 

    小倉 紀雄, 山下 信義, 加藤 義久, 柳 哲雄, 高田 秀重

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    1997 - 1997

    Grant number:09248101

    Grant amount:\2000000 ( Direct Cost: \2000000 )

    昨年度までの研究から流入河川の河床や河口域や湾岸の運河に過去に排出されたPCBが堆積しており、それらが堆積粒子の再懸濁に伴い水中に回帰したり、沖へ向かって再移動される可能性が示唆された。
    そこで今年度は、まず、堆積粒子の再移動に関する情報を得るために、1960年代に大気中核実験により大気へ放出されていたセシウム-137の分析を行った。セシウム-137の大気からの降下量は1963年に大気中核実験が禁止された後急減し1970年代後半には最大値の1%以下になっているのに対して、東京柱状堆積物中では33cm付近に極大をもつものの、表面へ向けて減少は非常に緩慢で変動もみられた。この分布は、粒子状で河川およびその流域に負荷された物質は河床に堆積し、増水時の再懸濁により河口、内湾へと再移動を繰り返して輸送されるため、20年以上前に流域への負荷の止まった物質も河川、河口堆積物に一時的に保存されそれが内湾への長期的な供給源となっていると結論づけられた。以上の推定をふまえ、東京湾におけるPCBの動態を説明する数値モデルを作成した。数値モデルの計算結果は観測結果をほぼ定量的に再現しており、モデルの考え方とパラメーターの選択の妥当性が示された。このモデルを使い西暦2050年における湾奥から11km地点の堆積物、海水中の懸濁態PCB濃度を計算してみた。その結果は38.5ng/gと82.9pg/Lとなり、現状(36ng/g, 94pg/L)からの大幅な減少は予測されなかった。このことは、対策を講じなければ将来にわたって東京湾の海水、堆積物中のPCB濃度は大きく減少しないことを示唆している。東京湾へのPCBの供給源が河川、河口域の堆積物中に堆積しているPCBであることを考えると、東京湾の海水、堆積物中のPCB濃度の低減のためにはそれらの汚染された堆積物の浚渫が必要である。

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  • 沿岸堆積物間隙水中の疎水性有機化合物の有機コロイドによる吸着と輸送における役割

    日本学術振興会  科学研究費助成事業 

    高田 英重

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    1996 - 1996

    Grant number:08740424

    Grant amount:\1000000 ( Direct Cost: \1000000 )

    多摩川において採取した試料をガラス繊維濾紙Whatman GF/D(孔径2.7μm)、GF/C(孔径1.2μm),GF/F(0.7μm)、およびテフロンフィルターAdvantec(0.1μm)で逐次濾過し、2.7μm以上、1.2μm-2.7μm,0.7μm-1.2μm,0.1μm-0.7μm,0.1μm以下の画分に分画した。対象とした化合物はアルキルベンゼン,多環芳香族炭化水素、PCBで、それぞれ6-phenyldodecane,benz[a]anthracene,CB138について考察を行った。孔径1.2μm以下のいわゆる"溶存態"画分に25%以上のアルキルベンゼンとPCBが存在した。そのうち0.1μm以下に存在するものは数%で大部分(全体の20%以上)は0.1μm〜1.2μmのコロイド画分に存在した。これまでいわゆる"溶存態"といわれていた部分の大半(80%以上)が0.1μm以上の大きなコロイド粒子に吸着しており、コロイド粒子の疎水性汚染物質の輸送媒体としての重要性が明らかになった。
    0.1μm以下の画分とそれ以上の各画分でのアルキルベンゼン、PCBの有機炭素当たりの吸着定数を計算した結果、それぞれlog Koc=6.83〜7.48、6.46〜7.14となり、いずれも水-オクタノール分配係数のlog Kow=8.00、7.44よりも小さくなった。このことは、0.1μm以下の画分に存在するコロイド粒子にこれらの化合物が吸着されて存在しているために、見かけ上溶存相(<0.1μm)へ分配が偏っているためと解釈された。一方、多環芳香族炭化水素についてはlog Koc=6.85〜7.40となり、log Kow(5.91)よりも小さくなった。このことは、化石燃料の燃焼生成物の多環芳香族炭化水素は煤と強い相互作用があり、水相へ分配されにくく、分配が粒子相に偏っているためと解釈された。

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  • 都市沿岸域における残留PCB濃度の予測と低減策

    日本学術振興会  科学研究費助成事業 

    小倉 紀雄, 山下 信義, 加藤 義久, 柳 哲雄, 高田 秀重

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    1996 - 1996

    Grant number:08255103

    Grant amount:\2600000 ( Direct Cost: \2600000 )

    本研究の目的は、東京湾の魚介類および堆積物中のPCBの分布を明らかにし、PCBの供給源を予想することである。本年度の研究から以下のことが明らかになった。ムラサキイガイ中のPCB濃度は横浜から江戸川河口にかけての湾奥部で相対的に濃度が高く、湾奥部にPCBの供給源があることが示唆された。表層堆積物中のPCB濃度も湾奥、特に京浜運河、東京港内で高濃度であった。これらの堆積物の分析結果も湾奥部にPCBの供給源があることを示唆している。新たな供給と過去(PCBの使用禁止以前)に供給されたものを区別するために、分枝型アルキルベンゼンをこれらの堆積物試料についてPCBと同時に分析した。分枝型アルキルベンゼンは過去(1958年から1970年まで)に合成洗剤の原料として使われ洗剤の使用に伴い水環境へ放出されており、その使用年代はPCBの使用年代と類似している。またその物理化学的性質もPCBと類似していおり、過去に供給され堆積したPCBの指標として用いることが出来ると考えられている。堆積物中のPCBsと分枝型アルキルベンゼンの分布は全体として類似していた。すなわち、PCBが高濃度の地点の大部分では分岐型アルキルベンゼンも高濃度であった。このことから東京湾沿岸で検出されたPCBの大部分は過去に堆積したものが水平方向、鉛直方向の再移動を繰り返して堆積物の表層に残留しているものと推察された。ただし、いくつかの地点では分岐型アルキルベンゼン濃度が低いにも関わらず高濃度のPCBが検出され、これらの地点では新たなPCBの流入があったものと推定される。来年度は堆積物の撹乱、再移動過程を組み込んだモデルを構築し、今後数十年のPCBの濃度の推移を予測したい。さらに、これらの湾岸の運河、港湾、河口の堆積物の浄化策(浚渫等)を講じた場合、PCB濃度の低減にどの程度の効果があるのかを予測し、効果的な低減策を提言したい。

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  • 河口域における溶存態炭化水素類の除去過程

    日本学術振興会  科学研究費助成事業 

    高田 秀重

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    1993 - 1994

    Grant number:05740338

    Grant amount:\1000000 ( Direct Cost: \1000000 )

    1)河川水中における炭化水素類の存在状態の解明
    河口域へ流入する炭化水素の存在状態を明らかにする目的で、淡水域の最下流においてステンレス製大型ろ過器を用い孔径の異なるろ紙(GF/C,GF/F)によるろ過と限外ろ過法を組み合わせた観測を行った。対象とした炭化水素類はアルキルベンゼンとn-アルカンである。アルキルベンゼンおよびn-アルカンの約40%がGF/C(孔径1.2mum)以下の画分に、20-30%がGF/F(孔径0.7mum)以下の画分に存在することが明らかになった。限外ろ過の結果孔径0.7mum以下の口液中の炭化水素のうち約40%が10nm以上の画分に、約70%が3nm以上の画分に存在することが明らかになった。これからの事実は、水中の炭化水素の約30%以上が1nm-1.2mumのコロイドに吸着していることを示している。特に、3nm-1.2mumの大きなコロイドが炭化水素の吸着能が大きいことがわかった。
    2)河口域における溶存態炭化水素の除去過程の解明
    多摩川河口において1993年3月、5月、1994年1月に観測を行った。いずれの観測においても溶存態(孔径1mumのろ紙を通過する分画)のアルキルベンゼンの除去が観測された。除去の程度は60-70%であった。除去機構として、塩析による有機コロイドの凝集に伴いそれに吸着していた炭化水素が粒子吸着態へ移行する機構が主に作用していることが明らかになった。水温が比較的高い時期(5月の観測)には微生物分解も寄与することも示された。また、河口内での一次生産が活発な時期(3月の観測時)には生成した粒子への溶存態炭化水素の移行も観測された。今後、環境条件の異なる時期に観測を行い、室内実験も組み合わせて、各除去機構の寄与の割合を数量的に表現し、モデル化し、将来予測につなげていきたい。

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  • Long range transportation and geochemical behavior of atmospheric pollutants derived from coal combustion

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    OGURA Norio, YOSHIDA Naohiro, USHIKUBO Akikuni, UEDA Shingo, TAKADA Hideshige, AMBE Yoshinari

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    1993 - 1994

    Grant number:05453009

    Grant amount:\6000000 ( Direct Cost: \6000000 )

    In order to estimate the long range transportation of atmospheric pollutants derived from coal combustion, atomospheric deposition (wet and dry) was collected at inland area (Shiga Highland) and the Pacific Ocean side (Fuchu City and Hachiouji City), and major chemical components and polyaromatic hydrocarbons (PAH) were determined. The same observations were carried out at the campus of Tokyo University of Agriculture (Setagaya-ku) and attached farms and experimental plantation, and local characteristics were examined from the results of sulfate ion depositions.
    proportion of non sea-salt sulfate ion amounted to 72-94% of the total sulfate ion deposition. Deposition of non-sea salt sulfate ion showed large values in March and June to August, respectively.
    Stable sulfur isotope ratio of non-sea salt sulfate ion (delta^<34>S) ranged around 3%_0 but lower value of around -3%_0 was observed in June to August. Similar seasonal variation pattern was observed also at the Japan Sea side. This may be attributed to deposition of sulfate ion with low isotope ratio during summer, and it was found that sulfate ion with high isotope ratio deposited at the Pacific Ocean side during spring.
    Mean monthly deposition (mug/m^2/month) of 9 kinds of polyaromatic hydrocarbons (PAH), whuch are considered to be derived from combustion of coal, were 6.7 at Shiga Highland, 35.0 at Fuchu City, 35.6 at Hachiouji City and 149 at Kawasaki City. Ratio of methylphenanthrene to phenanthrene ranged from 0.59 to 0.95, and therefore it is considered that every location suffers from influences of pollutants from stationary sources such as factories.

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  • 粒子の沈降にともなうオーシャンフラックスの変動過程の研究

    日本学術振興会  科学研究費助成事業 

    半田 暢彦, 徐 垣, 高田 秀重, 和田 英太郎, 大田 啓一, 石渡 良志, 大場 忠道

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    1993 - 1993

    Grant number:04232108

    Grant amount:\28500000 ( Direct Cost: \28500000 )

    西部北太平洋の0o-48oN,175oEの海域を対象にして、時系列型セヂメントトラップによる係留実験を展開し、有機炭素および生物性炭酸塩炭素の鉛直フラックスを計測し、以下の結果を得た。
    1)亜寒帯循環域、亜熱帯循環域および赤道域の1km深における有機炭素フラックスは、それぞれ15-67mgCm-2日-1、2-6mgCm-2日-1および11-22mgCm-2日-1の範囲で測定された。これらの値の年間平均値は、先に北太平洋深層水に拡散移流モデルを適用して算定される溶存酸素消費量から見積もられる有機物分解量にかなり近いものであることを認めた。これらの結果は、海洋炭素循環における深層水の役割を溶存酸素鉛直分布の解析と共に、セヂメントトラップ実験によっても検証したものと言える。
    2)生物性炭酸塩炭素フラックス/有機炭素フラックスは1-2で、北太平洋の全域を通して海洋表層から深層水への二酸化炭素の鉛直輸送に対しては、生物性炭酸塩炭素もまた重要な役割をはたしていることを認めた。
    3)亜寒帯循環域においては5-6月および9-10月、また赤道域においては、3-4月と10-11月に有機炭素フラックスの極大値が認められ、顕著な季節変動の存在を認めた。特に、赤道域における有機炭素鉛直フラックスの季節変動は、新しい事実であり、現在その理由に関して、日射量、貿易風、人工衛星データからのクロロフィルa現存量等の季節変動に関する結果と比較検討中である。
    4)沈降粒子有機物の炭素安定および放射性同位体比を測定し、これらの有機物が形成された時の植物プランクトンの生理状態の推定法を確立した。

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  • 河川から供給される有機物の外洋へのフラックス

    日本学術振興会  科学研究費助成事業 

    高田 秀重

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    1992 - 1992

    Grant number:04232208

    Grant amount:\1200000 ( Direct Cost: \1200000 )

    1.堆積物中のアルキルベンゼンの水平分布
    東京湾内湾外の表層堆積物中のアルキルベンゼン(陸起源の汚染物質で、大気へ放出されず河川からの輸送の指標になりうる化合物)分析した。アルキルベンゼン濃度は、湾奥で高濃度であったが、横浜沖から湾口へと減少し、湾口では検出限界以下となった。しかし、湾外の堆積物中(金田湾沖約7km)では湾奥に比べれば低濃度であるが、確かにアルキルベンゼンが検出された。このことは、河川から供給された物質が湾外に運ばれ堆積していることを示している。今後はさらに外洋へ向かって堆積物試料を採取・分析し、陸起源物質の水平輸送の範囲を明らかにしていく必要がある。
    アルキルベンゼンの異性体組成から、湾奥に比べて横浜横須賀沖の堆積物中のアルキルベンゼンは好気的分解が進んでいることがわかった。また、湾外の堆積物中のアルキルベンゼンの分解度は横浜横須賀沖よりも低く、湾奥のものと同程度であった。湾奥に堆積していた粒子が横浜横須賀沖での好気的な分解を受ける機会が少ないまま湾外へ排出され嫌気環境下に堆積している可能性が考えられた。
    2.湾外の柱状堆積物中のアルキルベンゼンの鉛直分布
    1970年以降に使用(水域への放出)が始まったアルキルベンゼンが9cmの深さまで減少傾向を示さずに比較的一様に分布していた。このことは、この水域の堆積速度が数mm/年以上の速い速度である可能性、活発な鉛直混合、撹乱の大きい堆積環境である可能性等が示唆された。今回は採泥器の関係で採取できたコアが短かったが、今後数十cmのコアを採取・分析し、湾外での堆積の規模を明らかにしていく必要がある。

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  • Particulate Organic Compounds and Their Behavior in Urban and Remote Atmosphere

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

    KAWAMURA Kimitaka, TAKADA Hideshige

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    1989 - 1990

    Grant number:01470041

    Grant amount:\1500000 ( Direct Cost: \1500000 )

    Particulate matter (aerosol) has been collected in the urban atmosphere of Tokyo, and in the remote atmosphere including Mt. Haruna, Gunma Prefecture, and Titijima Island in western North Pacific. Atmospheric fallout samples were also collected in Kawasaki and Fuchu. Various organic compounds were isolated from the samples and were determined by gas chromatography (GC) and GC-mass spectrometry. They include n-alkanes, polynuclear aromatic hydrocarbons, polynuclear aromatic ketones, phthalates, fatty acids, dicarboxylic acids, oxoacids and aldehydes. The results showed that major species in the organic aerosols were low molecular dicarboxylic acids such as oxalic, malonic, and succinic acids. The relative abundance of these polar organic compounds in the aerosol particles increased at around noon time of the day and in the summer of the year, suggesting that they are secondarily produced in the atmosphere by photochemically induced reactions of organic molecular mainly derived from anthropogenic sources. omega-Oxocarboxylic acids (C2-C10) were identified in the samples. Some of the oxoacids (C3 and C4) have been discovered in this study. They are considered as intermediates of photooxidation reactions of hydrocarbons to dicarboxylic acids.

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  • 沿岸域における合成洗剤由来の汚染物質の挙動

    日本学術振興会  科学研究費助成事業 

    高田 秀重

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    1988 - 1988

    Grant number:63740311

    Grant amount:\800000 ( Direct Cost: \800000 )

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