Latest Update：2026/03/24 10:39:54

IMAIZUMI Yoshitaka

Researcher Name: IMAIZUMI Yoshitaka

Div (Section) name/title: Health and Environmental Risk Division（Strategic Risk Management Research Section）／Chief Senior Researcher

Research Subject: Development of emission estimation models and environmental fate models for chemical pollutants and structuring a framework of risk assessment and management

Degree(s): Ph.D.

Professional Qualification(s): Engineering,Civil Engineering,Computer Science

Environmental Speciality Field: environmental model,risk assessment,water environment

Keyword(s): environmental fate model,exposure assessment method,Geographical Information System (GIS),web application,risk assessment

Membership of Academic Society: Japan Society for Environmental Chemistry,The Society for Risk Analysis Japan,Japan Society on Water Environment (JSWE)

Research Subject

Fiscal Year: 2025
- 27191 : Comprehensive Environmental Risk Research Program
- 27219 : Research project on modeling environmental behavior of all substances of concern
- 27220 : Research on the development of comprehensive indexes of health risk and ecological risk
- 27231 : Strategic Chemical Risk Management Research in Emergency
- 27293 : Study on environmental risk management and information systems of chemicals in emergency and accidental states through a collaboration of jurisprudential and engineering approach
- 27365 : Development and publication of databases of chemical information
- 27402 : Historical changes and future projections of methylsiloxanes in the environment: A novel POPs candidate
- 27406 : Fundamental study for strategic risk management
- 27407 : Dispersion modeling for crisis response during hazardous material releases
- 27563 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
- 27576 : Development of a comprehensive water quality management strategy and monitoring methods for regulated and unregulated PFAS in drinking water sources using environmental modeling and analysis
Fiscal Year: 2024
- 26803 : Comprehensive Environmental Risk Research Program
- 26834 : Research project on modeling environmental behavior of all substances of concern
- 26835 : Research on the development of comprehensive indexes of health risk and ecological risk
- 26847 : Strategic Chemical Risk Management Research in Emergency
- 26976 : Study on environmental risk management and information systems of chemicals in emergency and accidental states through a collaboration of jurisprudential and engineering approach
- 27002 : Development of ecological risk assessment methods for multiple chemicals based on the similarity of activity/structure and exposure profile
- 27003 : Evaluation of persistence and accumulation for siloxanes in multi-media focusing on benthic food web
- 27012 : Fundamental study for strategic risk management
- 27013 : Development and publication of databases of chemical information
- 27086 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
- 27169 : Dispersion modeling for crisis response during hazardous material releases
Fiscal Year: 2023
- 26403 : Comprehensive Environmental Risk Research Program
- 26423 : Research project on modeling environmental behavior of all substances of concern
- 26424 : Research on the development of comprehensive indexes of health risk and ecological risk
- 26434 : Strategic Chemical Risk Management Research in Emergency
- 26528 : Study on environmental risk management and information systems of chemicals in emergency and accidental states through a collaboration of jurisprudential and engineering approach
- 26547 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
- 26557 : Development and publication of databases of chemical information
- 26611 : Fundamental study for strategic risk management
- 26614 : Evaluation of persistence and accumulation for siloxanes in multi-media focusing on benthic food web
- 26716 : Development of ecological risk assessment methods for multiple chemicals based on the similarity of activity/structure and exposure profile
Fiscal Year: 2022
- 25972 : Comprehensive Environmental Risk Research Program
- 25976 : Research project on modeling environmental behavior of all substances of concern
- 25977 : Research on the development of comprehensive indexes of health risk and ecological risk
- 25999 : Strategic Chemical Risk Management Research in Emergency
- 26142 : Evaluation of persistence and accumulation for siloxanes in multi-media focusing on benthic food web
- 26143 : Fundamental study for strategic risk management
- 26197 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
- 26201 : Integration of sub-themes in S17 through development of risk management system, and development of risk assessment methodology under non-steady state environment by disaster and accidents
- 26337 : Development of ecological risk assessment methods for multiple chemicals based on the similarity of activity/structure and exposure profile
- 26344 : Development and publication of databases of chemical information
Fiscal Year: 2021
- 25501 : Comprehensive environmental risk research program
- 25520 : Research project on modeling environmental behavior of all substances of concern
- 25521 : Research on the development of comprehensive indexes of health risk and ecological risk
- 25531 : Strategic Chemical Risk Management Research in Emergency
- 25664 : Occurrence and multimedia behavior of methylsiloxanes in the environment
- 25665 : Occurrence and multimedia behavior of siloxanes in the environment
- 25669 : Fundamental study for strategic risk management
- 25725 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
- 25753 : Development and publication of databases of chemical information
- 25784 : An approach for management of chemical releases and flows using PRTR data
- 25940 : Integration of sub-themes in S17 through development of risk management system, and development of risk assessment methodology under non-steady state environment by disaster and accidents
Fiscal Year: 2020
- 25099 : Research Program on Health and Environmental Safety
- 25103 : Environmental Emergency Management Research Program
- 25124 : Risk Assessment Science Collaboration Office
- 25145 : Research Project on Multi-scale Chemical Dynamics
- 25148 : Research Project on the Scientific and Social Framework of Risk Assessment and Management
- 25153 : Analysis and prediction of radioactive substances behavior in multimedia environment
- 25160 : Health and environmental risk management strategies in disaster environment
- 25258 : Development and Publication of Databases of Chemical Information
- 25260 : Basic Study for Strategic Risk Management
- 25261 : Occurrence and multimedia behavior of siloxanes in the environment
- 25262 : Occurrence and multimedia behavior of methylsiloxanes in the environment
- 25334 : An approach for management of chemical releases and flows using PRTR data
- 25354 : Integration of sub-themes in S17 through development of risk management system, and development of risk assessment methodology under non-steady state environment by disaster and accidents
Fiscal Year: 2019
- 24696 : Research Program on Health and Environmental Safety
- 24725 : Research Project on Multi-scale Chemical Dynamics
- 24728 : Research Project on the Scientific and Social Framework of Risk Assessment and Management
- 24734 : Analysis and prediction of radioactive substances behavior in multimedia environment
- 24741 : Environmental Emergency Management Research Program
- 24743 : Health and environmental risk management strategies in disaster environment
- 24756 : Risk Assessment Science Collaboration Office
- 24820 : Basic Study for Strategic Risk Management
- 24822 : Occurrence and multimedia behavior of methylsiloxanes in the environment
- 24823 : Occurrence and multimedia behavior of siloxanes in the environment
- 24839 : Development of a multimedia model for predicting spatiotemporal distribution of hydrogen peroxide
- 24840 : Development and Publication of Databases of Chemical Information
- 24965 : An approach for management of chemical releases and flows using PRTR data
- 24979 : Integration of sub-themes in S17 through development of risk management system, and development of risk assessment methodology under non-steady state environment by disaster and accidents
Fiscal Year: 2018
- 24308 : Research project on multi-scale chemical dynamics
- 24311 : Research project on the scientific and social framework of risk assessment and management
- 24326 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 24333 : Environmental Emergency Management Research Program
- 24335 : Health and environmental risk management strategies in disaster environment
- 24339 : Risk Assessment Science Collaboration Office
- 24355 : Research program on health and environmental safety
- 24482 : Development of a Multimedia Model for Predicting Spatiotemporal Distribution of Hydrogen Peroxide
- 24484 : Development and publication of databases of chemical information
- 24495 : Basic study for strategic risk management
- 24621 : Occurrence and multimedia behavior of methylsiloxanes in the environment
Fiscal Year: 2017
- 23817 : Research project on the scientific and social framework of risk assessment and management
- 23820 : Research project on multi-scale chemical dynamics
- 23847 : Research program on health and environmental safety
- 23860 : Risk Assessment Science Collaboration Office
- 23866 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 23875 : Health and environmental risk management strategies in disaster environment
- 23932 : Development and publication of databases of chemical information
- 23933 : Development of a Multimedia Model for Predicting Spatiotemporal Distribution of Hydrogen Peroxide
- 23957 : Basic study for strategic risk management
Fiscal Year: 2016
- 23414 : Research program on health and environmental safety
- 23419 : Research project on multi-scale chemical dynamics
- 23422 : Research project on the scientific and social framework of risk assessment and management
- 23429 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 23438 : Health and environmental risk management strategies in disaster environment
- 23442 : Risk Assessment Science Collaboration Office
- 23645 : Basic study for strategic risk management
- 23662 : Development and publication of databases of chemical information
- 23787 : Estimation of Intake of acrylamide in Japanese
Fiscal Year: 2015
- 23002 : Study on strategic approach of chemical risk management and control
- 23017 : Development of epidemiological methods for evaluating health effects of exposure to environmental pollutants
- 23028 : Reference laboratory for ecotoxicity test, chemical database for environmental risk
- 23036 : Environmental Recovery Research Program
- 23046 : Health and environmental risk management strategies in disaster environment
- 23230 : Development and publication of databases of chemical information
- 23253 : Study on emission estimation of chemicals to the environment
- 23266 : Basic study for strategic chemical risk management
- 23343 : Implementation of initial risk assessment of environmental chemicals in FY2015
- 23344 : Implementation of Risk assessment in CSCL and investigation on the advanced procedure in 2015FY
- 23345 : Literature investigation for setting the standard to reserve registration of pesticide to prevent hazard to fisheries in FY 2015
Fiscal Year: 2014
- 22590 : Study on strategic approach of chemical risk management and control
- 22605 : Development of epidemiological methods for evaluating health effects of exposure to environmental pollutants
- 22616 : Reference laboratory for ecotoxicity test, chemical database for environmental risk
- 22647 : Environmental Recovery Research Program
- 22658 : Health and environmental risk management strategies in disaster environment
- 22771 : Basic study for strategic chemical risk management
- 22777 : Study on emission estimation of chemicals to the environment
- 22799 : Development and publication of databases of chemical information
- 22812 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 22934 : Implementation of Risk assessment in CSCL and investigation on the advanced procedure in 2014FY
Fiscal Year: 2013
- 22174 : Study on strategic approach of chemical risk management and control
- 22189 : Development of epidemiological methods for evaluating health effects of exposure to environmental pollutants
- 22200 : Reference laboratory for ecotoxicity test, chemical database for environmental risk
- 22437 : Development and publication of databases of chemical information
- 22445 : Basic study for strategic chemical risk management
- 22449 : Regional environmental assessment of radioactive materials based on the multimedia modelling and strategic monitoring
- 22499 : Study on emission estimation of chemicals to the environment
- 22546 : Investigation　on Improvement of Risk assessment of chemicals under CSCL in 2013 FY
Fiscal Year: 2012
- 21745 : Study on strategic approach of chemical risk management and control
- 21760 : Development of epidemiological methods for evaluating health effects of exposure to environmental pollutants
- 21771 : Reference laboratory for ecotoxicity test, chemical database for environmental risk
- 21913 : Regional environmental assessment of radioactive materials based on the multimedia modelling and strategic monitoring
- 21977 : Development and publication of databases of chemical information
- 22025 : Basic study for strategic chemical risk management
- 22043 : Study on emission estimation of chemicals to the environment
- 22123 : Survey study for validation and improvement of emission estimation model for pesticides of paddy fields
Fiscal Year: 2011
- 21302 : Study on strategic approach of chemical risk management and control
- 21318 : Development of epidemiological methods for evaluating health effects of exposure to environmental pollutants
- 21329 : Reference laboratory for ecotoxicity test, chemical database for environmental risk
- 21482 : Development and publication of databases of chemical information
- 21514 : Study on emission estimation of chemicals to the environment
- 21517 : Basic study for strategic chemical risk management
- 21707 : Survey study for validation and improvement of emission estimation model for pesticides of paddy fields
Fiscal Year: 2010
- 20907 : Integrated exposure assessment analysis of the complex factors of chemical exposure
- 20908 : Development of integrated risk analysis system and methodology
Fiscal Year: 2009
- 20540 : Development of integrated risk analysis system and methodology
- 20558 : Integrated exposure assessment analysis of the complex factors of chemical exposure
Fiscal Year: 2008
- 20184 : Integrated exposure assessment analysis of the complex factors of chemical exposure
- 20203 : Development of integrated risk analysis system and methodology
Fiscal Year: 2007
- 10582 : Integrated exposure assessment analysis of the complex factors of chemical exposure
- 10622 : Development and publication of chemical database
- 10637 : Development of integrated risk analysis system and methodology
Fiscal Year: 2006
- 10315 : Integrated exposure assessment analysis of the complex factors of chemical exposure
- 10355 : Development and publication of chemical database
- 10367 : Development of integrated risk analysis system and methodology
Fiscal Year: 2004
- 9236 : Study on the uniform limit, reside standards for processed foods, and acute exposure assessment of agricultural chemicals; Research part：Analysis of toxicity data related to the uniform limit

View all

Research Result (Publication)

Original Paper

Spatiotemporal trends and ecological risk assessment of volatile methylsiloxanes in Tokyo Bay catchment basin, Japan: River water and sewage treatment plant samples

Presenter : Horii Y., Sakurai T., Imaizumi Y., Kuroda K., Hayashi T. I., Nishino T., Takemine S., Ohtsuka N.
Title : , Science of the Total Environment, 179292 (2025)
Original Paper

Spatial distribution and benthic risk assessment of cyclic, linear, and modified methylsiloxanes in sediments from Tokyo Bay catchment basin, Japan: Si-based mass profiles in extractable organosilicon

Presenter : Horii Y., Ohtsuka N., Nishino T., Kuroda K., Imaizumi Y., Sakurai T.
Title : , Science of the Total Environment, 838,Part2:155956 (2022)
Original Paper

Systematic Analysis of Environmental Release Process and Emergency Response in Chemical Accident

Presenter : Koyama Y., Imaizumi Y., Suzuki N.
Title : , Global Environmental Research, 24(2):261-266 (2021)
Original Paper

Factors controlling the degradation of hydrogen peroxide in river water, and the role of riverbed sand

Presenter : Ueki R., Imaizumi Y., Iwamoto.Y, Sakugawa H., Takeda K.
Title : , Science of the Total Environment, 716(136971): (2020)
Original Paper

Heterogeneity and potential aquatic toxicity of hydrogen peroxide concentrations in selected rivers across Japan

Presenter : Sunday M.O., Jadoon W.A., Ayeni T.T., Iwamoto Y., Takeda K., Imaizumi Y., Arakaki T., Sakugawa H.
Title : , Science of the Total Environment, 733(139349): (2020)
Original Paper

Georeferenced multimedia environmental fate of volatile methylsiloxanes modeled in the populous Tokyo Bay catchment basin

Presenter : Sakurai T., Imaizumi Y., Kuroda K., Hayashi T., Suzuki N.
Title : , Science of the Total Environment, 689:843-853 (2019)
Original Paper

Development and validation of a simulation method, PeCHREM, for evaluating spatio-temporal concentration changes of paddy herbicides in rivers

Presenter : Imaizumi Y., Suzuki N., Shiraishi F., Nakajima D., Serizawa S., Sakurai T., Shiraishi H.
Title : , Environmental Science: Processes & Impacts, 20:120-132 (2018)
Original Paper

Estimation of long-term dietary exposure to acrylamide of the Japanese people

Presenter : Kawahara J., Imaizumi Y., Kuroda K., Aoki Y., Suzuki N.
Title : , Food Additives & Contaminants: Part A, 35(9):1689-1702 (2018)
Original Paper

Screening data for the endocrine disrupting activities of 583 chemicals using the yeast two-hybrid assay

Presenter : Shiraishi F., Kamata R., Terasaki M., Takigami H., Imaizumi Y., Yagishita M., Nakajima D.
Title : , Data in Brief, 21:2543-2546 (2018)
Original Paper

Temporal trends for inflow of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) to Tokyo Bay, Japan, estimated by a receptor-oriented approach

Presenter : Sakurai T., Serizawa S., Kobayashi J., Kodama K., Lee J.H., Maki H., Zushi Y., Sevilla J., Imaizumi Y., Suzuki N., Horiguchi T., Shiraishi H.
Title : , Science of the Total Environment, 539:277-285 (2016)
Original Paper

ECOLOGICAL RISK ASSESSMENT OF HERBICIDES IN JAPAN: INTEGRATING SPATIOTEMPORAL VARIATION IN EXPOSURE AND EFFECTS USING A MULTIMEDIA MODEL AND ALGAL DENSITY DYNAMICS MODELS

Presenter : Hayashi TI., Imaizumi Y., Yokomizo H., Tatarazako N., Suzuki N.
Title : , Environmental Toxicology and Chemistry, 35(1):233-240 (2016)
Original Paper

Analysis of Temporal Changes in Terrestrial Cesium-137 Using Publicly Available Monitoring Data in Japan

Presenter : Imaizumi Y., Kuroda K., Hayashi S., Suzuki N.
Title : , Global Environmental Research, 20(1-2):59-66 (2016)
Original Paper

Towards modelling of the environmental fate of pharmaceuticals using the QSPR-MM scheme

Presenter : Jagiello K., Mostrag-Szlichtyng A., Gajewicz A., Kawai T., Imaizumi Y., Sakurai T., Yamamoto H., Tatarazako N., Mizukawa K., Aoki Y., Suzuki N., Watanabe H., Puzyn T.
Title : , Environmental Modelling & Software, 72:147-154 (2015)
Original Paper

Transfer kinetics of perfluorooctane sulfonate from water and sediment to a marine benthic fish, the marbled flounder (Pseudopleuronectes yokohamae)

Presenter : Sakurai T., Kobayashi J., Kinoshita K., Ito N. , Serizawa S., Shiraishi H., LEE J.H., Horiguchi T., Maki H., Mizukawa K., Imaizumi Y., Kawai T. , Suzuki N.
Title : , Environmental Toxicology and Chemistry, 32(9):2009-2017 (2013)
Original Paper

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

Presenter : Kobayashi J., Sakurai T., Mizukawa K., Kinoshita K., Ito N. , Hashimoto S., Nakajima D., Kawai T. , Imaizumi Y., Takada H., Suzuki N.
Title : , Chemosphere, 93:1479-1486 (2013)
Original Paper

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

Presenter : Kobayashi J., Kinoshita K., Mizukawa K., Sakurai T., Imaizumi Y., Takada H., Suzuki N.
Title : , Chemosphere, 82(5):745-750 (2011)
Original Paper

Spatial distribution and partitioning of polychlorinated biphenyls in Tokyo Bay, Japan

Presenter : Kobayashi J., Serizawa S., Sakurai T., Imaizumi Y., Suzuki N., Horiguchi T.
Title : , J.Environ.Monit., 12(4):838-845 (2010)
Original Paper

Spatial, phase, and temporal distributions of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in Tokyo Bay, Japan

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Title : , Environ.Sci.Technol., 44(11):4110-4115 (2010)
Original Paper

Particle-size fractioned transfer of dioxins from sediments to water columns by resuspension process

Presenter : Kitamura K., Sakurai T., Choi J-W., Kobayashi J., Imaizumi Y., Suzuki N., Morita M.
Title : , Environ.Pollut., 157(7):2159-2165 (2009)
Other Publications

Non-food-chain transfer of sediment-associated persistent organic pollutants to a marine benthic fish

Presenter : Sakurai T., Kobayashi J., Imaizumi Y., Suzuki N.
Title : , Mar.Pollut.Bull., 58(7):1072-1077 (2009)
Bootstrap methods for confidence intervals of percentiles from dataset containing nondetected observations using lognormal distribution

Presenter : Imaizumi Y., Suzuki N., Shiraishi H.
Title : , J.Chemometrics, 20(1/2):68-75 (2006)

View all

Spatiotemporal trends and ecological risk assessment of volatile methylsiloxanes in Tokyo Bay catchment basin, Japan: River water and sewage treatment plant samples

Presenter : Horii Y., Sakurai T., Imaizumi Y., Kuroda K., Hayashi T. I., Nishino T., Takemine S., Ohtsuka N.
Title : , Science of the Total Environment, 179292 (2025)
Spatial distribution and benthic risk assessment of cyclic, linear, and modified methylsiloxanes in sediments from Tokyo Bay catchment basin, Japan: Si-based mass profiles in extractable organosilicon

Presenter : Horii Y., Ohtsuka N., Nishino T., Kuroda K., Imaizumi Y., Sakurai T.
Title : , Science of the Total Environment, 838,Part2:155956 (2022)
Systematic Analysis of Environmental Release Process and Emergency Response in Chemical Accident

Presenter : Koyama Y., Imaizumi Y., Suzuki N.
Title : , Global Environmental Research, 24(2):261-266 (2021)
Factors controlling the degradation of hydrogen peroxide in river water, and the role of riverbed sand

Presenter : Ueki R., Imaizumi Y., Iwamoto.Y, Sakugawa H., Takeda K.
Title : , Science of the Total Environment, 716(136971): (2020)
Heterogeneity and potential aquatic toxicity of hydrogen peroxide concentrations in selected rivers across Japan

Presenter : Sunday M.O., Jadoon W.A., Ayeni T.T., Iwamoto Y., Takeda K., Imaizumi Y., Arakaki T., Sakugawa H.
Title : , Science of the Total Environment, 733(139349): (2020)
Georeferenced multimedia environmental fate of volatile methylsiloxanes modeled in the populous Tokyo Bay catchment basin

Presenter : Sakurai T., Imaizumi Y., Kuroda K., Hayashi T., Suzuki N.
Title : , Science of the Total Environment, 689:843-853 (2019)
Development and validation of a simulation method, PeCHREM, for evaluating spatio-temporal concentration changes of paddy herbicides in rivers

Presenter : Imaizumi Y., Suzuki N., Shiraishi F., Nakajima D., Serizawa S., Sakurai T., Shiraishi H.
Title : , Environmental Science: Processes & Impacts, 20:120-132 (2018)
Estimation of long-term dietary exposure to acrylamide of the Japanese people

Presenter : Kawahara J., Imaizumi Y., Kuroda K., Aoki Y., Suzuki N.
Title : , Food Additives & Contaminants: Part A, 35(9):1689-1702 (2018)
Screening data for the endocrine disrupting activities of 583 chemicals using the yeast two-hybrid assay

Presenter : Shiraishi F., Kamata R., Terasaki M., Takigami H., Imaizumi Y., Yagishita M., Nakajima D.
Title : , Data in Brief, 21:2543-2546 (2018)
Temporal trends for inflow of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) to Tokyo Bay, Japan, estimated by a receptor-oriented approach

Presenter : Sakurai T., Serizawa S., Kobayashi J., Kodama K., Lee J.H., Maki H., Zushi Y., Sevilla J., Imaizumi Y., Suzuki N., Horiguchi T., Shiraishi H.
Title : , Science of the Total Environment, 539:277-285 (2016)
ECOLOGICAL RISK ASSESSMENT OF HERBICIDES IN JAPAN: INTEGRATING SPATIOTEMPORAL VARIATION IN EXPOSURE AND EFFECTS USING A MULTIMEDIA MODEL AND ALGAL DENSITY DYNAMICS MODELS

Presenter : Hayashi TI., Imaizumi Y., Yokomizo H., Tatarazako N., Suzuki N.
Title : , Environmental Toxicology and Chemistry, 35(1):233-240 (2016)
Analysis of Temporal Changes in Terrestrial Cesium-137 Using Publicly Available Monitoring Data in Japan

Presenter : Imaizumi Y., Kuroda K., Hayashi S., Suzuki N.
Title : , Global Environmental Research, 20(1-2):59-66 (2016)
Towards modelling of the environmental fate of pharmaceuticals using the QSPR-MM scheme

Presenter : Jagiello K., Mostrag-Szlichtyng A., Gajewicz A., Kawai T., Imaizumi Y., Sakurai T., Yamamoto H., Tatarazako N., Mizukawa K., Aoki Y., Suzuki N., Watanabe H., Puzyn T.
Title : , Environmental Modelling & Software, 72:147-154 (2015)
Transfer kinetics of perfluorooctane sulfonate from water and sediment to a marine benthic fish, the marbled flounder (Pseudopleuronectes yokohamae)

Presenter : Sakurai T., Kobayashi J., Kinoshita K., Ito N. , Serizawa S., Shiraishi H., LEE J.H., Horiguchi T., Maki H., Mizukawa K., Imaizumi Y., Kawai T. , Suzuki N.
Title : , Environmental Toxicology and Chemistry, 32(9):2009-2017 (2013)
Respiratory uptake kinetics of neutral hydrophobic organic chemicals in a marine benthic fish, Pseudopleuronectes yokohamae

Presenter : Kobayashi J., Sakurai T., Mizukawa K., Kinoshita K., Ito N. , Hashimoto S., Nakajima D., Kawai T. , Imaizumi Y., Takada H., Suzuki N.
Title : , Chemosphere, 93:1479-1486 (2013)
Dietary uptake kinetics of polychlorinated biphenyls from sediment-contaminated sandworms in a marine benthic fish (Pseudopleuronectes yokohamae)

Presenter : Kobayashi J., Kinoshita K., Mizukawa K., Sakurai T., Imaizumi Y., Takada H., Suzuki N.
Title : , Chemosphere, 82(5):745-750 (2011)
Spatial distribution and partitioning of polychlorinated biphenyls in Tokyo Bay, Japan

Presenter : Kobayashi J., Serizawa S., Sakurai T., Imaizumi Y., Suzuki N., Horiguchi T.
Title : , J.Environ.Monit., 12(4):838-845 (2010)
Spatial, phase, and temporal distributions of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in Tokyo Bay, Japan

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Title : , Environ.Sci.Technol., 44(11):4110-4115 (2010)
Particle-size fractioned transfer of dioxins from sediments to water columns by resuspension process

Presenter : Kitamura K., Sakurai T., Choi J-W., Kobayashi J., Imaizumi Y., Suzuki N., Morita M.
Title : , Environ.Pollut., 157(7):2159-2165 (2009)

View all

Non-food-chain transfer of sediment-associated persistent organic pollutants to a marine benthic fish

Presenter : Sakurai T., Kobayashi J., Imaizumi Y., Suzuki N.
Title : , Mar.Pollut.Bull., 58(7):1072-1077 (2009)

View all

Research Result (Presentation)

Research Presentation

Creating a database to support the identification of chemical substances of concern in plastic recycling

Presenter : Oguchi M., Inoue T., Tamagaki Y., Imaizumi Y., Koyama Y.
Name of Society : The 12th International Conference on Industrial Ecology (ISIE2025) (2025)
Name of Proceedings : Programme
Research Lecture

Environmental risk assessment of chemical mixtures considering their mode of action, structure, and exposure profile

Presenter : Yamamoto H., Watanabe H., Oda Y., Yamagishi T., Hiki K., Imaizumi Y., Yokomizo H., Ozawa F., Ohno K.
Name of Society : The 52nd Annual Meeting of the Japan Society of Toxicology (2025)
Name of Proceedings : The Journalof Toxicological Sciences, 50(Supplement 1):S42
Research Presentation

Matrixing of use categories and analysis on comprehensive risk indicator for each category

Presenter : Imaizumi Y., Koyama Y., Inoue T., Iwabuchi K., Tamagaki Y.
Name of Society : SETAC Europe 35th Annual Meeting (2025)
Name of Proceedings : -
Research Presentation

Database that supports identification of chemical substances of concern in the plastics recycling stream

Presenter : Oguchi M., Inoue T., Tamagaki Y., Imaizumi Y., Koyama Y.
Name of Society : The 8th International Conference on Industrial and Hazardous Waste Management (CRETE 2025) (2025)
Name of Proceedings : Proceedings
Research Lecture

Web-based System for Managing Environmental Chemical Risks during Accidents and Disasters

Presenter : Imaizumi Y.
Name of Society : National Consultation on PRTR for Cambodia and Regional Workshop on PRTRs (2025)
Name of Proceedings : -
Research Presentation

Ecological Risk Assessment of Microplastics in Japanese Rivers Through Inverse Modeling of Field Data

Presenter : Imaizumi Y., Suzuki N., Osako M.
Name of Society : SETAC North America 46th Annual Meeting (2025)
Name of Proceedings : Abstracts
Research Presentation

Mixture effects of dialkylesters of phthalic acids (PAEs) on aquatic organisms based on predicted environmental exposure profiles

Presenter : Oda Y., Imaizumi Y., Watanabe H., Hiki K., Yamagishi T., Yamamoto H.
Name of Society : 21st International Symposium on Toxicity Assessment (ISTA21) (2024)
Name of Proceedings : -
Research Presentation

Towards identifying chemical substance to be controlled in WEEE plastics

Presenter : Oguchi M., Inoue T., Tamagaki Y., Imaizumi Y., Koyama Y.
Name of Society : Electronics Goes Green 2024+ (2024)
Name of Proceedings : Proceedings, 403
Research Presentation

A Study on Inverse Estimation of Microplastic Discharge into Japanese Rivers by Resin by Shape from Observed Data

Presenter : Imaizumi Y.
Name of Society : 2nd International Symposium on Plastic Pollution in Asian Waters -From Land to Ocean- (2024)
Name of Proceedings : Abstracts
Research Presentation

Identifying the potential presence of chemical substances of very high concern in plastics recycling using the SCIP database

Presenter : Oguchi M., Inoue T., Tamagaki Y., Imaizumi Y., Koyama Y.
Name of Society : The 16th Biennial International Conference on EcoBalance (EcoBalance 2024) (2024)
Name of Proceedings : -
Research Presentation

Spatial Distribution,Temporal Trend,and Risk Assessment of Cyclic Volatile Methylsiloxanes in Tokyo Bay Catchment Basin,Japan

Presenter : Horii Y., Sakurai T., Ohtsuka N., Nishino T., Imaizumi Y., Kuroda K.
Name of Society : SETAC NORTH AMERICA 44TH ANNUAL MEETING (2023)
Name of Proceedings : Abstracts, 284-285
Research Presentation

Simulation of plastic pathways from land to ocean using spatio-temporally explicit eco-hydrology model in entire Japan

Presenter : Nakayama T., Imaizumi Y., Ishigaki T., Osako M.
Name of Society : Ocean Sciences Meeting 2022 (2022)
Name of Proceedings : -
Research Presentation

DISTRIBUTION CHARACTERISTICS OF METHYLSILOXANES IN ATMOSPHERIC ENVIRONMENT OF KANTO REGION, JAPAN

Presenter : Horii Y., Ohtsuka N., Nishino T., Sakurai T., Imaizumi Y., Kuroda K., Nakasone Y., Kimura K., Ito Y., Shimizu A.
Name of Society : DIOXIN 2021 TIANJIN 41ST INTERNATIONAL SYMPOSIUM ON HALOGENATED PERSISTENT ORGANIC POLLUTANTS (2021)
Name of Proceedings : Dioxin 2021 41st International Symposium on Halogenated Persistent Organic Pollutants Abstract Book, 261-262
Research Presentation

Evaluation of spatio-temporal dynamics of microplastics developing a process-based eco-hydrology model in Japan

Presenter : Nakayama T., Imaizumi Y., Ishigaki T., Osako M.
Name of Society : Nature Conference Waste Management and Valorisation for a Sustainable Future (2021)
Name of Proceedings : -
Research Presentation

Multimedia environmental fate of volatile methylsiloxanes modeled in the Tokyo Bay catchment basin

Presenter : Imaizumi Y., Sakurai T., Kuroda K., Hayashi T., Suzuki N.
Name of Society : SETAC Europe 30th Annual Meeting (2020)
Name of Proceedings : SETAC Europe 30th Annual Meeting Abstract Book, 226
Research Presentation

Development of a prediction model for daily change of hydrogen peroxide in rivers all over Japan

Presenter : Imaizumi Y., Ueki R., Takeda K., Sakugawa H., Sugata S., Suzuki N.
Name of Society : SETAC Europe 30th Annual Meeting (2020)
Name of Proceedings : SETAC Europe 30th Annual Meeting Abstract Book, 169-170
Research Presentation

Insight on Hydrogen peroxide concentration in selected rivers across Japan, potential toxicity and underlying factors

Presenter : Sunday M.O., Ayeni T.T., Takeda K., Sakugawa H., Imaizumi Y., Arakaki T.
Name of Society : 日本地球化学会第67回オンライン年会 (2020)
Name of Proceedings : 同講演要旨集, PR0049
Research Presentation

Applicability of environmental emission and fate model PeCHREM/G-CIEMS for monitoring plan of paddy pesticides in water quality management

Presenter : Imaizumi Y., Suzuki N., Kitsutaka R. , Yoshizawa K.
Name of Society : SETAC Europe 29th Annual Meeting (2019)
Name of Proceedings : SETAC Europe 29th Annual Meeting Abstract Book, 213
Research Presentation

Study on a Prediction Model for Daily Concentration Change of Hydrogen Peroxide in Rivers

Presenter : Imaizumi Y., Sugata S., Suzuki N., Ueki R., Takeda K., Sakugawa H.
Name of Society : SETAC North America 39th Annual Meeting (2018)
Name of Proceedings : Abstracts, 240-241
Research Presentation

Predicting long-term fate of radioactive cesium on forest soil: implementing different tree species

Presenter : Kuroda K., Imaizumi Y., Suzuki N., Hayashi S.
Name of Society : The 4th International Conference on Radioecology and Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 506-507
Research Presentation

Temporal-spatial fate of cesium-137 in terrestrial environment around Fukushima Daiichi Nuclear Power Plant: a challenge for daily simulation

Presenter : Imaizumi Y., Kuroda K., Morino Y., Hayashi S., Suzuki N., Ohara T.
Name of Society : SETAC Europe 26th Annual Meeting (2016)
Name of Proceedings : 同予稿集, 215
Research Presentation

Long-term and large-scale prediction of air radiation dose rate in Fukushima: incorporating vertical migration of radioactive cesium

Presenter : Kuroda K., Imaizumi Y., Takagi M., Suzuki N., Hayashi S., Ohara T.
Name of Society : SETAC Europe 26th Annual Meeting (2016)
Name of Proceedings : Abstracts, MO226
Research Presentation

Emission of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in the Tokyo-Bay catchment basin, Japan in 2004-2010

Presenter : Sakurai T., Serizawa S., Kobayashi J., Kodama K., Lee J., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Shiraishi H.
Name of Society : Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting (2014)
Name of Proceedings : Abstracts, 403
Research Presentation

Multimedia Fate Model for Dissociating Chemicals

Presenter : Suzuki N., Imaizumi Y., Sakurai T., Kawai T.
Name of Society : 33rd International Symposium on Halogenated Persistent Organic Pollutants-Dioxin 2013 (2013)
Name of Proceedings : Abstracts
Research Presentation

Transfer kinetics of perfluorooctane sulfonate (PFOS) from the aquatic environment to a marine benthic fish

Presenter : Sakurai T., Kobayashi J., Kinoshita K., Ito N. , Serizawa S., Shiraishi H., Mizukawa K., Imaizumi Y., Kawai T. , Suzuki N.
Name of Society : 33rd International Symposium on Halogenated Persisitent Organic Pollutants-Dioxin 2013 (2013)
Name of Proceedings : Organohalogen Compd., (75):1360-1363
Research Lecture

Application of a multimedia environmental fate model for radionuclide in terrestrial and river water environment

Presenter : Suzuki N., Imaizumi Y., Morino Y., Ohara T.
Name of Society : Fukushima Daiichi Cleanup Workshop (2013)
Name of Proceedings : -
Research Presentation

Respiratory uptake efficiency of perfluorooctane sulfonate (PFOS) in fish

Presenter : Sakurai T., Kobayashi J., Kinoshita K., Ito N. , Serizawa S., Shiraishi H., Mizukawa K., Imaizumi Y., Kawai T. , Suzuki N.
Name of Society : SETAC EUROPE 23rd Annual Meeting (2013)
Name of Proceedings : Abstracts, 220
Research Presentation

Prediction of large-scale temporal-spatial distribution of pesticides for paddy field and use for ecological risk assessment

Presenter : Imaizumi Y., Shiraishi F., Serizawa S., Goukon J.,, Imazu Y.,, Nagai R.,, Kawata K.,, Yamamoto H.,, Nakajima D., Sakurai T., Suzuki N., Shiraishi H.
Name of Society : SETAC EUROPE 23rd Annual Meeting (2013)
Name of Proceedings : Abstracts, 177-178
Research Presentation

Approach of spatially-temporally resolved and geo-referenced environmental fate model (G-CIEMS) for the assessment of surfactants and chemicals in the environment

Presenter : Suzuki N., Imaizumi Y., Sakurai T., Kawai T. , Shiraishi H., Tanabe K.
Name of Society : SETAC Asia Pacific 2012 (2012)
Name of Proceedings : Abstracts, 90
Research Presentation

ISSUES OF VARIABILITIES THAT MAY NEED TO BE CONSIDERED FOR APPLICABILITY OF PLANETARY BOUNDARY CONCEPT FOR CHEMICAL POLLUTION

Presenter : Suzuki N., Kawai T. , Imaizumi Y., Sakurai T., Hayashi T.
Name of Society : Dioxin 2012 Symposium (2012)
Name of Proceedings : Abstracts
Research Presentation

Transfer of perfluorooctane sulfonate (PFOS) from water to a marine benthic fish with the presence of sediment

Presenter : Sakurai T., Kobayashi J., Kinoshita K., Ito N. , Serizawa S., Shiraishi H., Mizukawa K., Imaizumi Y., Suzuki N.
Name of Society : 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting (2012)
Name of Proceedings : Abstracts book of 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting, 435
Research Presentation

Fate-based categorization of chemicals and GIS Fate Model for the planetary boundaries concept

Presenter : Imaizumi Y., Kawai T. , Sakurai T., Suzuki N.
Name of Society : 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting (2012)
Name of Proceedings : Abstracts of 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting, 20
Research Presentation

Exposure and ecological risk assessment of herbicides in Japan: validation and factor analysis for predicted concentrations of herbicides by the geo-referenced multimedia environmental model G-CIEMS

Presenter : Imaizumi Y., Suzuki N., Shiraishi F., Nakajima D., Serizawa S., Kamata R., Kageyama S., Kobayashi J., Sakurai T., Shiraishi H.
Name of Society : 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting (2012)
Name of Proceedings : Abstracts of 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting, 130
Research Presentation

Exposure and ecological risk assessment of herbicides in Japan: risk calculation approaches focusing on space-and time varying herbicide exposure

Presenter : Hayashi T., Imaizumi Y., Tatarazako N., Suzuki N.
Name of Society : 22th SETAC Eueope Annual Meeting/6th SETAC Europe Special Science Symposium (2012)
Name of Proceedings : Abstracts of 22th SETAC Eueope Annual Meeting/6th SETAC Europe Special Science Symposium, 217
Research Presentation

Prediction of large-scale temporal-spatial distribution of pesticides for paddy field and comparison with field survey results performed in Japan

Presenter : Imaizumi Y., Shiraishi F., Serizawa S., Goukon J.,, Imazu Y.,, Nagai R.,, Kawata K.,, Yamamoto H.,, Nakajima D., Sakurai T., Suzuki N., Shiraishi H.
Name of Society : SETAC North America 33rd Annual Meeting (2012)
Name of Proceedings : Abstracts, 259
Research Presentation

Long-term fate simulation of radioactive cesium by multimedia fate model in Fukushima region in Japan

Presenter : Suzuki N., Imaizumi Y., Morino Y., Ohara T.
Name of Society : SETAC North America 33rd Annual Meeting (2012)
Name of Proceedings : Abstracts, 85-86
Research Presentation

Development of Environmental Fate Model for Herbicides of Paddy Fields Using Grid-Catchment Integrated Multimedia Modeling System (G-CIEMS) for all Japan area

Presenter : Imaizumi Y., Suzuki N., Kobayashi J., Sakurai T., Shiraishi H.
Name of Society : SETAC EUROPE 21st Annual Meeting (2011)
Name of Proceedings : SETAC EUROPE 21st Annual Meeting Abstract Book, 204
Research Presentation

Development and validation of environmental fate model for herbicides of paddy fields using grid-catchment integrated multimedia modeling system (G-CIEMS) for all Japan area

Presenter : Imaizumi Y., Suzuki N., Shiraishi F., Nakajima D., Serizawa S., Kamata R., Kageyama S., Kobayashi J., Sakurai T., Shiraishi H.
Name of Society : SETAC EUROPE 21st Annual Meeting (2011)
Name of Proceedings : SETAC EUROPE 21st Annual Meeting Abstract Book, 30
Research Presentation

Development of ecological risk assessment methods for space- and time-varying herbicide exposure

Presenter : Hayashi T., Imaizumi Y., Tatarazako N., Suzuki N.
Name of Society : SETAC Europe 21st Annual Meeting (2011)
Name of Proceedings : SETAC Europe 21st Annual Meeting Abstract Book, 270
Research Presentation

Uptake via the respiratory surface and depuration kinetics of persistent organic pollutants in a marine benthic fish

Presenter : Kobayashi J., Kinoshita K., Ito N. , Sakurai T., Imaizumi Y., Suzuki N.
Name of Society : 2nd Korea-Jpn.Symp.Environ.Chem./韓国環境分析学会秋季学術大会 (2010)
Name of Proceedings : Abstracts, 244
Research Presentation

Uptake via the respiratory surface and depuration kinetics of hydrophobic organic chemicals in a marine benthic fish

Presenter : Kobayashi J., Kinoshita K., Ito N. , Sakurai T., Imaizumi Y., Suzuki N.
Name of Society : SETAC North Am.31st Annu.Meet. (2010)
Name of Proceedings : Abstracts, 343-344
Research Presentation

Spatial distribution and partitioning of perfluorooctane sulfonate(PFOS) and perfluorooctanoate(PFOA) in Tokyo Bay, Japan

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Name of Society : 2nd Korea-Jpn.Symp.Environ.Chem./韓国環境分析学会秋季学術大会 (2010)
Name of Proceedings : Abstracts, 243
Research Presentation

Spatial distribution, partitioning, and time trends of perfluorooctane sulfonate(PFOS) and perfluorooctanoate(PFOA) in Tokyo Bay, Japan, 2004-2006

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Name of Society : SETAC North Am.31st Annu.Meet. (2010)
Name of Proceedings : Abstracts, 128
Research Presentation

Comparison among environmental surveys by bootstrap methods for confidence intervals of percentiles from dataset containing nondetected observations

Presenter : Imaizumi Y., Suzuki N., Shiraishi H.
Name of Society : SETAC Eur.18th Annu.Meet. (2008)
Name of Proceedings : Abstracts, 118
Research Presentation

Model validation of Geo-Referenced multimedia environmental fate model(G-CIEMS) for three river basins in Japan

Presenter : Imaizumi Y., Suzuki N., Sakurai T., MATSUHASHI Keisuke, , Nakasugi O., Morita M., Isobe K.(*2), Murakami O.(*2), Shiraishi H.
Name of Society : SETAC Eur.17th Annu.Meet.(Poster Session) (2007)
Name of Proceedings : Abstracts

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Database that supports identification of chemical substances of concern in the plastics recycling stream

Presenter : Oguchi M., Inoue T., Tamagaki Y., Imaizumi Y., Koyama Y.
Name of Society : The 8th International Conference on Industrial and Hazardous Waste Management (CRETE 2025) (2025)
Name of Proceedings : Proceedings
Mixture effects of dialkylesters of phthalic acids (PAEs) on aquatic organisms based on predicted environmental exposure profiles

Presenter : Oda Y., Imaizumi Y., Watanabe H., Hiki K., Yamagishi T., Yamamoto H.
Name of Society : 21st International Symposium on Toxicity Assessment (ISTA21) (2024)
Name of Proceedings : -
Towards identifying chemical substance to be controlled in WEEE plastics

Presenter : Oguchi M., Inoue T., Tamagaki Y., Imaizumi Y., Koyama Y.
Name of Society : Electronics Goes Green 2024+ (2024)
Name of Proceedings : Proceedings, 403
Identifying the potential presence of chemical substances of very high concern in plastics recycling using the SCIP database

Presenter : Oguchi M., Inoue T., Tamagaki Y., Imaizumi Y., Koyama Y.
Name of Society : The 16th Biennial International Conference on EcoBalance (EcoBalance 2024) (2024)
Name of Proceedings : -
Simulation of plastic pathways from land to ocean using spatio-temporally explicit eco-hydrology model in entire Japan

Presenter : Nakayama T., Imaizumi Y., Ishigaki T., Osako M.
Name of Society : Ocean Sciences Meeting 2022 (2022)
Name of Proceedings : -
Insight on Hydrogen peroxide concentration in selected rivers across Japan, potential toxicity and underlying factors

Presenter : Sunday M.O., Ayeni T.T., Takeda K., Sakugawa H., Imaizumi Y., Arakaki T.
Name of Society : 日本地球化学会第67回オンライン年会 (2020)
Name of Proceedings : 同講演要旨集, PR0049
Approach of spatially-temporally resolved and geo-referenced environmental fate model (G-CIEMS) for the assessment of surfactants and chemicals in the environment

Presenter : Suzuki N., Imaizumi Y., Sakurai T., Kawai T. , Shiraishi H., Tanabe K.
Name of Society : SETAC Asia Pacific 2012 (2012)
Name of Proceedings : Abstracts, 90
ISSUES OF VARIABILITIES THAT MAY NEED TO BE CONSIDERED FOR APPLICABILITY OF PLANETARY BOUNDARY CONCEPT FOR CHEMICAL POLLUTION

Presenter : Suzuki N., Kawai T. , Imaizumi Y., Sakurai T., Hayashi T.
Name of Society : Dioxin 2012 Symposium (2012)
Name of Proceedings : Abstracts
Fate-based categorization of chemicals and GIS Fate Model for the planetary boundaries concept

Presenter : Imaizumi Y., Kawai T. , Sakurai T., Suzuki N.
Name of Society : 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting (2012)
Name of Proceedings : Abstracts of 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting, 20
Exposure and ecological risk assessment of herbicides in Japan: validation and factor analysis for predicted concentrations of herbicides by the geo-referenced multimedia environmental model G-CIEMS

Presenter : Imaizumi Y., Suzuki N., Shiraishi F., Nakajima D., Serizawa S., Kamata R., Kageyama S., Kobayashi J., Sakurai T., Shiraishi H.
Name of Society : 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting (2012)
Name of Proceedings : Abstracts of 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting, 130
Long-term fate simulation of radioactive cesium by multimedia fate model in Fukushima region in Japan

Presenter : Suzuki N., Imaizumi Y., Morino Y., Ohara T.
Name of Society : SETAC North America 33rd Annual Meeting (2012)
Name of Proceedings : Abstracts, 85-86
Development and validation of environmental fate model for herbicides of paddy fields using grid-catchment integrated multimedia modeling system (G-CIEMS) for all Japan area

Presenter : Imaizumi Y., Suzuki N., Shiraishi F., Nakajima D., Serizawa S., Kamata R., Kageyama S., Kobayashi J., Sakurai T., Shiraishi H.
Name of Society : SETAC EUROPE 21st Annual Meeting (2011)
Name of Proceedings : SETAC EUROPE 21st Annual Meeting Abstract Book, 30
Spatial distribution, partitioning, and time trends of perfluorooctane sulfonate(PFOS) and perfluorooctanoate(PFOA) in Tokyo Bay, Japan, 2004-2006

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Name of Society : SETAC North Am.31st Annu.Meet. (2010)
Name of Proceedings : Abstracts, 128
Model validation of Geo-Referenced multimedia environmental fate model(G-CIEMS) for three river basins in Japan

Presenter : Imaizumi Y., Suzuki N., Sakurai T., MATSUHASHI Keisuke, , Nakasugi O., Morita M., Isobe K.(*2), Murakami O.(*2), Shiraishi H.
Name of Society : SETAC Eur.17th Annu.Meet.(Poster Session) (2007)
Name of Proceedings : Abstracts
Creating a database to support the identification of chemical substances of concern in plastic recycling

Presenter : Oguchi M., Inoue T., Tamagaki Y., Imaizumi Y., Koyama Y.
Name of Society : The 12th International Conference on Industrial Ecology (ISIE2025) (2025)
Name of Proceedings : Programme
Matrixing of use categories and analysis on comprehensive risk indicator for each category

Presenter : Imaizumi Y., Koyama Y., Inoue T., Iwabuchi K., Tamagaki Y.
Name of Society : SETAC Europe 35th Annual Meeting (2025)
Name of Proceedings : -
Ecological Risk Assessment of Microplastics in Japanese Rivers Through Inverse Modeling of Field Data

Presenter : Imaizumi Y., Suzuki N., Osako M.
Name of Society : SETAC North America 46th Annual Meeting (2025)
Name of Proceedings : Abstracts
A Study on Inverse Estimation of Microplastic Discharge into Japanese Rivers by Resin by Shape from Observed Data

Presenter : Imaizumi Y.
Name of Society : 2nd International Symposium on Plastic Pollution in Asian Waters -From Land to Ocean- (2024)
Name of Proceedings : Abstracts
Spatial Distribution,Temporal Trend,and Risk Assessment of Cyclic Volatile Methylsiloxanes in Tokyo Bay Catchment Basin,Japan

Presenter : Horii Y., Sakurai T., Ohtsuka N., Nishino T., Imaizumi Y., Kuroda K.
Name of Society : SETAC NORTH AMERICA 44TH ANNUAL MEETING (2023)
Name of Proceedings : Abstracts, 284-285
DISTRIBUTION CHARACTERISTICS OF METHYLSILOXANES IN ATMOSPHERIC ENVIRONMENT OF KANTO REGION, JAPAN

Presenter : Horii Y., Ohtsuka N., Nishino T., Sakurai T., Imaizumi Y., Kuroda K., Nakasone Y., Kimura K., Ito Y., Shimizu A.
Name of Society : DIOXIN 2021 TIANJIN 41ST INTERNATIONAL SYMPOSIUM ON HALOGENATED PERSISTENT ORGANIC POLLUTANTS (2021)
Name of Proceedings : Dioxin 2021 41st International Symposium on Halogenated Persistent Organic Pollutants Abstract Book, 261-262
Evaluation of spatio-temporal dynamics of microplastics developing a process-based eco-hydrology model in Japan

Presenter : Nakayama T., Imaizumi Y., Ishigaki T., Osako M.
Name of Society : Nature Conference Waste Management and Valorisation for a Sustainable Future (2021)
Name of Proceedings : -
Multimedia environmental fate of volatile methylsiloxanes modeled in the Tokyo Bay catchment basin

Presenter : Imaizumi Y., Sakurai T., Kuroda K., Hayashi T., Suzuki N.
Name of Society : SETAC Europe 30th Annual Meeting (2020)
Name of Proceedings : SETAC Europe 30th Annual Meeting Abstract Book, 226
Development of a prediction model for daily change of hydrogen peroxide in rivers all over Japan

Presenter : Imaizumi Y., Ueki R., Takeda K., Sakugawa H., Sugata S., Suzuki N.
Name of Society : SETAC Europe 30th Annual Meeting (2020)
Name of Proceedings : SETAC Europe 30th Annual Meeting Abstract Book, 169-170
Applicability of environmental emission and fate model PeCHREM/G-CIEMS for monitoring plan of paddy pesticides in water quality management

Presenter : Imaizumi Y., Suzuki N., Kitsutaka R. , Yoshizawa K.
Name of Society : SETAC Europe 29th Annual Meeting (2019)
Name of Proceedings : SETAC Europe 29th Annual Meeting Abstract Book, 213
Study on a Prediction Model for Daily Concentration Change of Hydrogen Peroxide in Rivers

Presenter : Imaizumi Y., Sugata S., Suzuki N., Ueki R., Takeda K., Sakugawa H.
Name of Society : SETAC North America 39th Annual Meeting (2018)
Name of Proceedings : Abstracts, 240-241
Predicting long-term fate of radioactive cesium on forest soil: implementing different tree species

Presenter : Kuroda K., Imaizumi Y., Suzuki N., Hayashi S.
Name of Society : The 4th International Conference on Radioecology and Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 506-507
Temporal-spatial fate of cesium-137 in terrestrial environment around Fukushima Daiichi Nuclear Power Plant: a challenge for daily simulation

Presenter : Imaizumi Y., Kuroda K., Morino Y., Hayashi S., Suzuki N., Ohara T.
Name of Society : SETAC Europe 26th Annual Meeting (2016)
Name of Proceedings : 同予稿集, 215
Long-term and large-scale prediction of air radiation dose rate in Fukushima: incorporating vertical migration of radioactive cesium

Presenter : Kuroda K., Imaizumi Y., Takagi M., Suzuki N., Hayashi S., Ohara T.
Name of Society : SETAC Europe 26th Annual Meeting (2016)
Name of Proceedings : Abstracts, MO226
Emission of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in the Tokyo-Bay catchment basin, Japan in 2004-2010

Presenter : Sakurai T., Serizawa S., Kobayashi J., Kodama K., Lee J., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Shiraishi H.
Name of Society : Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting (2014)
Name of Proceedings : Abstracts, 403
Multimedia Fate Model for Dissociating Chemicals

Presenter : Suzuki N., Imaizumi Y., Sakurai T., Kawai T.
Name of Society : 33rd International Symposium on Halogenated Persistent Organic Pollutants-Dioxin 2013 (2013)
Name of Proceedings : Abstracts
Transfer kinetics of perfluorooctane sulfonate (PFOS) from the aquatic environment to a marine benthic fish

Presenter : Sakurai T., Kobayashi J., Kinoshita K., Ito N. , Serizawa S., Shiraishi H., Mizukawa K., Imaizumi Y., Kawai T. , Suzuki N.
Name of Society : 33rd International Symposium on Halogenated Persisitent Organic Pollutants-Dioxin 2013 (2013)
Name of Proceedings : Organohalogen Compd., (75):1360-1363
Respiratory uptake efficiency of perfluorooctane sulfonate (PFOS) in fish

Presenter : Sakurai T., Kobayashi J., Kinoshita K., Ito N. , Serizawa S., Shiraishi H., Mizukawa K., Imaizumi Y., Kawai T. , Suzuki N.
Name of Society : SETAC EUROPE 23rd Annual Meeting (2013)
Name of Proceedings : Abstracts, 220
Prediction of large-scale temporal-spatial distribution of pesticides for paddy field and use for ecological risk assessment

Presenter : Imaizumi Y., Shiraishi F., Serizawa S., Goukon J.,, Imazu Y.,, Nagai R.,, Kawata K.,, Yamamoto H.,, Nakajima D., Sakurai T., Suzuki N., Shiraishi H.
Name of Society : SETAC EUROPE 23rd Annual Meeting (2013)
Name of Proceedings : Abstracts, 177-178
Transfer of perfluorooctane sulfonate (PFOS) from water to a marine benthic fish with the presence of sediment

Presenter : Sakurai T., Kobayashi J., Kinoshita K., Ito N. , Serizawa S., Shiraishi H., Mizukawa K., Imaizumi Y., Suzuki N.
Name of Society : 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting (2012)
Name of Proceedings : Abstracts book of 6th SETAC World Congress/SETAC Europe 22nd Annual Meeting, 435
Exposure and ecological risk assessment of herbicides in Japan: risk calculation approaches focusing on space-and time varying herbicide exposure

Presenter : Hayashi T., Imaizumi Y., Tatarazako N., Suzuki N.
Name of Society : 22th SETAC Eueope Annual Meeting/6th SETAC Europe Special Science Symposium (2012)
Name of Proceedings : Abstracts of 22th SETAC Eueope Annual Meeting/6th SETAC Europe Special Science Symposium, 217
Prediction of large-scale temporal-spatial distribution of pesticides for paddy field and comparison with field survey results performed in Japan

Presenter : Imaizumi Y., Shiraishi F., Serizawa S., Goukon J.,, Imazu Y.,, Nagai R.,, Kawata K.,, Yamamoto H.,, Nakajima D., Sakurai T., Suzuki N., Shiraishi H.
Name of Society : SETAC North America 33rd Annual Meeting (2012)
Name of Proceedings : Abstracts, 259
Development of Environmental Fate Model for Herbicides of Paddy Fields Using Grid-Catchment Integrated Multimedia Modeling System (G-CIEMS) for all Japan area

Presenter : Imaizumi Y., Suzuki N., Kobayashi J., Sakurai T., Shiraishi H.
Name of Society : SETAC EUROPE 21st Annual Meeting (2011)
Name of Proceedings : SETAC EUROPE 21st Annual Meeting Abstract Book, 204
Development of ecological risk assessment methods for space- and time-varying herbicide exposure

Presenter : Hayashi T., Imaizumi Y., Tatarazako N., Suzuki N.
Name of Society : SETAC Europe 21st Annual Meeting (2011)
Name of Proceedings : SETAC Europe 21st Annual Meeting Abstract Book, 270
Uptake via the respiratory surface and depuration kinetics of persistent organic pollutants in a marine benthic fish

Presenter : Kobayashi J., Kinoshita K., Ito N. , Sakurai T., Imaizumi Y., Suzuki N.
Name of Society : 2nd Korea-Jpn.Symp.Environ.Chem./韓国環境分析学会秋季学術大会 (2010)
Name of Proceedings : Abstracts, 244
Uptake via the respiratory surface and depuration kinetics of hydrophobic organic chemicals in a marine benthic fish

Presenter : Kobayashi J., Kinoshita K., Ito N. , Sakurai T., Imaizumi Y., Suzuki N.
Name of Society : SETAC North Am.31st Annu.Meet. (2010)
Name of Proceedings : Abstracts, 343-344
Spatial distribution and partitioning of perfluorooctane sulfonate(PFOS) and perfluorooctanoate(PFOA) in Tokyo Bay, Japan

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Name of Society : 2nd Korea-Jpn.Symp.Environ.Chem./韓国環境分析学会秋季学術大会 (2010)
Name of Proceedings : Abstracts, 243
Comparison among environmental surveys by bootstrap methods for confidence intervals of percentiles from dataset containing nondetected observations

Presenter : Imaizumi Y., Suzuki N., Shiraishi H.
Name of Society : SETAC Eur.18th Annu.Meet. (2008)
Name of Proceedings : Abstracts, 118

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Environmental risk assessment of chemical mixtures considering their mode of action, structure, and exposure profile

Presenter : Yamamoto H., Watanabe H., Oda Y., Yamagishi T., Hiki K., Imaizumi Y., Yokomizo H., Ozawa F., Ohno K.
Name of Society : The 52nd Annual Meeting of the Japan Society of Toxicology (2025)
Name of Proceedings : The Journalof Toxicological Sciences, 50(Supplement 1):S42
Web-based System for Managing Environmental Chemical Risks during Accidents and Disasters

Presenter : Imaizumi Y.
Name of Society : National Consultation on PRTR for Cambodia and Regional Workshop on PRTRs (2025)
Name of Proceedings : -
Application of a multimedia environmental fate model for radionuclide in terrestrial and river water environment

Presenter : Suzuki N., Imaizumi Y., Morino Y., Ohara T.
Name of Society : Fukushima Daiichi Cleanup Workshop (2013)
Name of Proceedings : -

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IMAIZUMI Yoshitaka

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Fiscal Year: 2007

Fiscal Year: 2006

Fiscal Year: 2004

Research Result (Publication)

Research Result (Presentation)