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4. OHNO Koichi

Researcher Name

OHNO Koichi

Div (Section) name/title

Health and Environmental Risk Division(Research Office for Environmental Risk Science)/Head

Research Subject

• Fiscal Year: 2025
  • 27191 : Comprehensive Environmental Risk Research Program
  • 27220 : Research on the development of comprehensive indexes of health risk and ecological risk
  • 27365 : Development and publication of databases of chemical information
  • 27419 : Developing a water quality health assessment system for offshore exploitation sites
  • 27510 : Fundamental study for environmental risk assessment
  • 27511 : Environmental risk assessment Team
  • 27512 : The study for establishing a new fish acute toxicity test concerning animal welfare
  • 27513 : Fundamental study for standardization of ecotoxicity
  • 27514 : Development of novel bioassay technique
• Fiscal Year: 2024
  • 26803 : Comprehensive Environmental Risk Research Program
  • 26835 : Research on the development of comprehensive indexes of health risk and ecological risk
  • 26945 : Developing a water quality health assessment system for offshore exploitation sites
  • 27002 : Development of ecological risk assessment methods for multiple chemicals based on the similarity of activity/structure and exposure profile
  • 27013 : Development and publication of databases of chemical information
  • 27041 : FY2024 Contract work on the development and validation of new ecotoxicity test methods in OECD and the support for GLP inspection activities
  • 27077 : The study for establishing a new fish acute toxicity test concerning animal welfare
  • 27078 : Fundamental study for standardization of ecotoxicity
  • 27079 : Development of novel bioassay technique
  • 27108 : Survey and study on toxicity test methods for high-order predators by persistent and bioaccumulated chemicals in FY2024
  • 27123 : Classification of structure similarity and mode of action of chemicals with high chronic toxicity to daphnids
  • 27134 : Fundamental study for environmental risk assessment
  • 27135 : Environmental risk assessment Team
  • 27147 : Implementation of environmental risk assessment in CSCL and investigation on the advanced procedure
  • 27148 : Implementation of initial risk assessment of environmental chemicals
  • 27149 : Literature survey for setting the registration standard of pesticide to prevent harm to aquatic flora and fauna in the human living environment
  • 27150 : Literature survey for setting the registration standard of pesticide to prevent harm to avian species
  • 27151 : Study on a prediction method of ecotoxicity to aquatic life
  • 27360 : Contract study on the ecological risk assessment of multiple chemicals in FY2024
  • 27361 : FY2024 Contract research work on the development of new assessment method for ecological risk of pesticides
• Fiscal Year: 2023
  • 26403 : Comprehensive Environmental Risk Research Program
  • 26424 : Research on the development of comprehensive indexes of health risk and ecological risk
  • 26529 : Fundamental study for environmental risk assessment
  • 26530 : Environmental risk assessment Team
  • 26557 : Development and publication of databases of chemical information
  • 26663 : Survey and study on toxicity test methods for high-order predators by persistent and bioaccumulated chemicals in FY2023
  • 26716 : Development of ecological risk assessment methods for multiple chemicals based on the similarity of activity/structure and exposure profile
  • 26720 : FY2023 Contract work on the development and validation of new ecotoxicity test methods in OECD and the support for GLP inspection activities
  • 26725 : Developing a water quality health assessment system for offshore exploitation sites
  • 26756 : FY2023 Contract research work on the development of new assessment method for ecological risk of pesticides
  • 26768 : Contract study on the ecotoxicity testing for the development of assessment of chemical mixtures in FY2022
  • 26786 : Commission on investigation of health risk assessment methods for hazardous air pollutants
  • 26787 : Implementation of environmental risk assessment in CSCL and investigation on the advanced procedure
  • 26788 : Implementation of initial risk assessment of environmental chemicals
  • 26789 : Literature survey for setting the registration standard of pesticide to prevent harm to aquatic flora and fauna in the human living environment
  • 26790 : Literature survey for setting the registration standard of pesticide to prevent harm to avian species
  • 26791 : Study on a prediction method of ecotoxicity to aquatic life
  • 26792 : Investigation on the water environmental quality standard for conservation of aquatic organisms
  • 26793 : The study for establishing a new fish acute toxicity test concerning animal welfare
  • 26794 : Fundamental study for standardization of ecotoxicity
  • 26795 : Development of novel bioassay technique
• Fiscal Year: 2022
  • 25972 : Comprehensive Environmental Risk Research Program
  • 25977 : Research on the development of comprehensive indexes of health risk and ecological risk
  • 26276 : Fundamental study for environmental risk assessment
  • 26277 : Environmental risk assessment Team
  • 26278 : Fundamental study for standardization of ecotoxicity
  • 26279 : Development of novel bioassay technique
  • 26281 : Commission on investigation of health risk assessment methods for hazardous air pollutants
  • 26283 : Implementation of environmental risk assessment in CSCL and investigation on the advanced procedure
  • 26284 : Implementation of initial risk assessment of environmental chemicals
  • 26285 : Literature survey for setting the registration standard of pesticide to prevent harm to aquatic flora and fauna in the human living environment
  • 26286 : Literature survey for setting the registration standard of pesticide to prevent harm to avian species
  • 26288 : Study on a prediction method of ecotoxicity
  • 26321 : Survey and study on toxicity test methods for high-order predators by persistent and bioaccumulated chemicals in FY2022
  • 26337 : Development of ecological risk assessment methods for multiple chemicals based on the similarity of activity/structure and exposure profile
  • 26339 : FY2022 Contract work on the development and validation of new ecotoxicity test methods in OECD and the support for GLP inspection activities
  • 26344 : Development and publication of databases of chemical information
  • 26394 : FY2022 Investigation on the water environmental quality standard for conservation of aquatic organisms
  • 26397 : Contract study on the ecotoxicity testing for the development of assessment of chemical mixtures in FY2022
  • 26398 : FY2022 Contract research work on the development of new assessment method for ecological risk of pesticides
• Fiscal Year: 2021
  • 25501 : Comprehensive environmental risk research program
  • 25521 : Research on the development of comprehensive indexes of health risk and ecological risk
  • 25753 : Development and publication of databases of chemical information
  • 25886 : Fundamental study for environmental risk assessment
  • 25887 : Fundamental study for standardization of ecotoxicity
  • 25888 : Environmental risk assessment Team
  • 25890 : Development of novel bioassay technique
  • 25897 : FY2021 Contract research work on the development of new assessment method for ecological risk of pesticides
  • 25942 : Study on the ecotoxicity testing for the development of assessment of chemical mixtures in FY2021
  • 25948 : Commission on investigation of health risk assessment methods for hazardous air pollutants
  • 25949 : Implementation of environmental risk assessment in CSCL and investigation on the advanced procedure in FY2021
  • 25950 : Implementation of initial risk assessment of environmental chemicals
  • 25959 : Literature survey for setting the registration standard of pesticide to prevent harm to aquatic flora and fauna in the human living environment
  • 25961 : Study on a prediction method of ecotoxicity
  • 25962 : Literature survey for setting the registration standard of pesticide to prevent harm to avian species
  • 25963 : Study on assessment methods of toxicity to higher predators posed by hardly degradable and highly bioaccumulative chemicals
• Fiscal Year: 2020
  • 25099 : Research Program on Health and Environmental Safety
  • 25124 : Risk Assessment Science Collaboration Office
  • 25148 : Research Project on the Scientific and Social Framework of Risk Assessment and Management
  • 25258 : Development and Publication of Databases of Chemical Information
  • 25401 : Study on revision of OECD fish, acute toxicity testing
  • 25407 : The development of new ecological risk assessment method for agricultural chemicals
  • 25421 : Environmental Risk Assessment Task Office
  • 25422 : Commission on investigation of health risk assessment methods for hazardous air pollutants
  • 25423 : Implementation of initial risk assessment of environmental chemicals
  • 25424 : Implementation of risk assessment in CSCL and investigation on the advanced procedure in FY2020
  • 25425 : Literature survey for setting the registration standard of pesticide to prevent harm to aquatic flora and fauna in the human living environment
  • 25426 : Literature survey for setting the registration standard of pesticide to prevent harm to avian species
• Fiscal Year: 2019
  • 24696 : Research Program on Health and Environmental Safety
  • 24728 : Research Project on the Scientific and Social Framework of Risk Assessment and Management
  • 24756 : Risk Assessment Science Collaboration Office
  • 24840 : Development and Publication of Databases of Chemical Information
  • 24870 : Environmental Risk Assessment Task Office
  • 24897 : Commission on consideration of health risk assessment methods for hazardous air pollutants
  • 24898 : FY2019 study on prediction method of ecotoxicity
  • 24899 : Literature investigation for setting the registration standard of pesticide to prevent hazard to fisheries in FY2019
  • 24900 : Implementation of risk assessment in CSCL and investigation on the advanced procedure in FY2019
  • 24901 : Implementation of initial risk assessment of environmental chemicals in FY2019
  • 24902 : Study on the assessment method of chronic adverse effect on aquatic flora and fauna posed by pesticides in FY2019
  • 25022 : FY2019 Validation research on the amendment of the OECD fish acute toxicity test guideline
  • 25089 : FY2019 Investigation on Toxicity Testing and Evaluation Methods of Difficult Chemicals
  • 25090 : FY2019 Investigation on the water environmental quality standard for conservation of aquatic organisms
  • 25091 : FY2019 Study on the Development of Assessment Procedure for the Mixture Effects of Chemicals Using Ecotoxicity Testing
  • 25095 : FY2019 Research on the development of novel methods for the assessment of ecological risk of pesticides in aquatic environment
• Fiscal Year: 2018
  • 24311 : Research project on the scientific and social framework of risk assessment and management
  • 24339 : Risk Assessment Science Collaboration Office
  • 24355 : Research program on health and environmental safety
  • 24366 : Commission on Consideration of Health Risk Assessment Methods for Hazardous Air Pollutants
  • 24484 : Development and publication of databases of chemical information
  • 24536 : FY2018 Study on the Development of Assessment Procedure for the Mixture Effects of Chemicals Using Ecotoxicity Testing
  • 24552 : FY2018 Study on QSAR Technique Regarding Ecotoxicity
  • 24555 : Environmental risk assessment task office
  • 24580 : Literature investigation for setting the standard to reserve registration of pesticide to prevent hazard to fisheries in FY2018
  • 24581 : Implementation of risk assessment in CSCL and investigation on the advanced procedure in FY2018
  • 24582 : Implementation of initial risk assessment of environmental chemicals in FY2018
• Fiscal Year: 2017
  • 23817 : Research project on the scientific and social framework of risk assessment and management
  • 23847 : Research program on health and environmental safety
  • 23860 : Risk Assessment Science Collaboration Office
  • 23932 : Development and publication of databases of chemical information
  • 24041 : Environmental risk assessment task office
  • 24097 : Implementation of initial risk assessment of environmental chemicals in FY2017
  • 24098 : Implementation of risk assessment in CSCL and investigation on the advanced procedure in FY2017
  • 24099 : Literature investigation for setting the standard to reserve registration of pesticide to prevent hazard to fisheries in FY2017
  • 24183 : FY2017 Study on QSAR Technique Regarding Ecotoxicity
  • 24186 : FY2017 Investigation on Toxcity Testing of Difficult Test Chemicals

Research Result (Publication)

• all
• Original Paper
• Book
• Other Publications

• Original Paper
  Comparative analysis of fish embryo acute toxicity (FET) test, fish cell line acute toxicity test and acute fish toxicity test: Evaluating the applicability domain of the FET test

  Presenter : Huang R., Watanabe H., Ohno K., Yamamoto H., Yamagishi T.
  Title : , Environmetal Toxicology and Chemistry (2026)
• Original Paper
  Determining the appropriateness of timely euthanasia in acute fish toxicity testing using observed clinical signs to predict time of death.

  Presenter : Yamagishi T., Huang R., Ohno K., Yamamoto H.
  Title : , Environmetal Toxicology and Chemistry, 45:391-397 (2025)
• Original Paper
  Severity classification of clinical signs and defining the moribund state as an experimental endpoint for acute toxicity testing using Japanese medaka (Oryzias latipes)

  Presenter : Yamagishi T., Kawano M., Watanabe H., Yagi A., Shintaku Y., Ohno K., Yamamoto H.
  Title : , Environmental Toxicology and Chemistry, 41(4):1089-1095 (2022)
• Other Publications
  A New OECD Definition for Per- and Polyfluoroalkyl Substances

  Presenter : Wang Z., Buser A.M., Cousins I.T., Demattio S., Drost W., Johansson O., Ohno K., Patlewicz G., Richard A.M., Walker G.W., White G.S., Leinala E.
  Title : , Environmental Science & Technology, 55(23):15575-15578 (2021)
• Original Paper
  Sexually dimorphic expression of sexual differentiation genes in the internal genital organs of Japanese quail embryos

  Presenter : Tsukahara S., Morishita M., Sasaki S., Wakayama K., Kobayashi K., Ohno K., Kawashima T.
  Title : , General and Comparative Endocrinology, 314(113917): (2021)
• Original Paper
  Is the default of 2 liters for daily per-capita water consumption appropriate? A nationwide survey reveals water intake in Japan.

  Presenter : Ohno K., Asami M., Matsui Y.
  Title : , Journal of Water and Health, 16(4):562-573 (2018)
• Other Publications
  Zurich Statement on Future Actions on Per - and Polyfluoroalkyl Substances (PFASs)

  Presenter : Ritscher A., Wang Z., Scheringer M., Boucher J.M., Ahrens L., Berger U., Bintein S., Bopp S.K., Borg D., Buser A.M., Cousins I., DeWitt J., Fletcher T., Green C., Herzke D., Higgins C., Huang J., Hung H., Knepper T., Lau C.S., Leinala E., Lindstrom A.B., Liu J., Miller M., Ohno K., Perkola N., Shi Y., Haug L.S., Trier X., Valsecchi S., van der Jagt K., Vierke L.
  Title : , Environmental Health Perspectives, 126(8):084502-1-084502-5 (2018)
• Book
  −

  Presenter : Ohno K.
  Title : , Management of radioactivity in drinking-water (2018)

• Comparative analysis of fish embryo acute toxicity (FET) test, fish cell line acute toxicity test and acute fish toxicity test: Evaluating the applicability domain of the FET test

  Presenter : Huang R., Watanabe H., Ohno K., Yamamoto H., Yamagishi T.
  Title : , Environmetal Toxicology and Chemistry (2026)
• Determining the appropriateness of timely euthanasia in acute fish toxicity testing using observed clinical signs to predict time of death.

  Presenter : Yamagishi T., Huang R., Ohno K., Yamamoto H.
  Title : , Environmetal Toxicology and Chemistry, 45:391-397 (2025)
• Severity classification of clinical signs and defining the moribund state as an experimental endpoint for acute toxicity testing using Japanese medaka (Oryzias latipes)

  Presenter : Yamagishi T., Kawano M., Watanabe H., Yagi A., Shintaku Y., Ohno K., Yamamoto H.
  Title : , Environmental Toxicology and Chemistry, 41(4):1089-1095 (2022)
• Sexually dimorphic expression of sexual differentiation genes in the internal genital organs of Japanese quail embryos

  Presenter : Tsukahara S., Morishita M., Sasaki S., Wakayama K., Kobayashi K., Ohno K., Kawashima T.
  Title : , General and Comparative Endocrinology, 314(113917): (2021)
• Is the default of 2 liters for daily per-capita water consumption appropriate? A nationwide survey reveals water intake in Japan.

  Presenter : Ohno K., Asami M., Matsui Y.
  Title : , Journal of Water and Health, 16(4):562-573 (2018)

• −

  Presenter : Ohno K.
  Title : , Management of radioactivity in drinking-water (2018)

• Zurich Statement on Future Actions on Per - and Polyfluoroalkyl Substances (PFASs)

  Presenter : Ritscher A., Wang Z., Scheringer M., Boucher J.M., Ahrens L., Berger U., Bintein S., Bopp S.K., Borg D., Buser A.M., Cousins I., DeWitt J., Fletcher T., Green C., Herzke D., Higgins C., Huang J., Hung H., Knepper T., Lau C.S., Leinala E., Lindstrom A.B., Liu J., Miller M., Ohno K., Perkola N., Shi Y., Haug L.S., Trier X., Valsecchi S., van der Jagt K., Vierke L.
  Title : , Environmental Health Perspectives, 126(8):084502-1-084502-5 (2018)
• A New OECD Definition for Per- and Polyfluoroalkyl Substances

  Presenter : Wang Z., Buser A.M., Cousins I.T., Demattio S., Drost W., Johansson O., Ohno K., Patlewicz G., Richard A.M., Walker G.W., White G.S., Leinala E.
  Title : , Environmental Science & Technology, 55(23):15575-15578 (2021)

Research Result (Presentation)

• all
• Research Presentation
• Research Lecture

• Research Presentation
  Development of Data Quality Evaluation Method for Ecotoxicity Assessments to Improve Transparency and Consistency

  Presenter : Ohno K., Ozawa F., Oda S., Sato R., Okada K., Yamazaki K., Ito S., Kondo R.
  Name of Society : SETAC Europe 36th Annual Meeting (2026)
  Name of Proceedings : Abstracts, P-Th406
• 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
  LC5096h/LC5024h ratio derived from fish embryo acute toxicity test supports defining its applicability domain as alternative to acute fish toxicity test.

  Presenter : Huang R., Watanabe H., Ohno K., Yamamoto H., Yamagishi T.
  Name of Society : The 4th Joint Conference on Environmental Chemicals (2025)
  Name of Proceedings : Abstracts
• Research Presentation
  Performance Evaluation of QSAR Model "KATE2020" in Algal Toxicity Prediction using CSCL Newly Announced Chemical Substances as validation Set

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC Europe 35th Annual Meeting (2025)
  Name of Proceedings : Abstracts, 112
• Research Presentation
  Ecological Risk Assessment of Sulfa Drugs: A Case Study Using a Component Based Approach for Chemical Mixtures

  Presenter : Ozawa F., Nakajima T., Yoshizawa A., Machi S., Yamamoto H., Ohno K.
  Name of Society : SETAC Europe 35th Annual Meeting (2025)
  Name of Proceedings : Abstracts, 966
• Research Presentation
  Development of "KATE2025": An Updated QSAR Model for Ecotoxicity Prediction and Comparative Evaluation With Previous Versions

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 46th Annual Meeting (2025)
  Name of Proceedings : -
• Research Presentation
  A novel metric to define the applicability domain of the fish embryo acute toxicity test as an alternative to the acute fish toxicity test

  Presenter : Huang R., Watanabe H., Ohno K., Yamamoto H., Yamagishi T.
  Name of Society : ETAC North America 46th Annual Meeting (2025)
  Name of Proceedings : Abstracts, 14
• Research Presentation
  Experimental Validation of a Novel Metric, LC5096h/LC5024h Ratio, to Define the Applicability Domain of the Fish Embryo Test as an Alternative to Acute Fish Toxicity: A Case Study with 10 chemicals.

  Presenter : Huang R., Watanabe H., Ohno K., Yamamoto H., Yamagishi T.
  Name of Society : SETAC North America 46th Annual Meeting. (2025)
  Name of Proceedings : Abstracts
• Research Presentation
  Ecotoxicity of antimicrobials in potentially sensitive species such as cyanobacteria, algae and protozoa

  Presenter : Yamamoto H., Oda Y., Watanabe H., Yamagishi T., Hiki K., Sugiura T., Nagao A., Ohno K.
  Name of Society : SETAC North America 46th Annual Meeting (2025)
  Name of Proceedings : Abstracts, 75
• Research Presentation
  A novel approach for categorizing mode of action of chemicals by utilizing time-to-death observed in the fish acute toxicity test

  Presenter : Huang R., Yamagishi T., Hiki K., Ohno K., Watanabe H., Yamamoto H.
  Name of Society : 3rd Joint Concerence on Environmental Chemicals (2024)
  Name of Proceedings : Abstract
• Research Presentation
  Update to Ecotoxicity Prediction Model KATE2020 version 5.0 and its Predictive Performance Evaluation

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC Europe 34th Annual Meeting (2024)
  Name of Proceedings : Abstracts
• Research Presentation
  Assessing the applicability domain of fish embryo toxicity test as alternatives of fish acute toxicity test, utilizing time-to-death in FET test

  Presenter : Huang R., Yamagishi T., Watanabe H., Ohno K., Yamamoto H.
  Name of Society : SETAC Europe 34th Annual Meeting (2024)
  Name of Proceedings : Abstracts
• Research Presentation
  Toward the Tier Two Environmental Risk Assessment of Groups of Chemicals: A Case Study on Sulfa Drugs

  Presenter : Ozawa F., Watanabe H., Yamagishi T., Sato R., Maichi S., Yamamoto H., Ohno K.
  Name of Society : SETAC Europe 34th Annual Meeting (2024)
  Name of Proceedings : Abstracts
• Research Presentation
  Evaluation of the Mode of Action (MoA) of Chemicals Based on Time-to- Death Data Obtained from Fish Embryo Acute Toxicity (FET) Test

  Presenter : Huang R., Yamagishi T., Watanabe H., Hiki K., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 45th Annual Meeting (2024)
  Name of Proceedings : Abstracts, 160
• Research Presentation
  Predictive Performance Evaluation of Ecotoxicity Prediction Model "KATE2020" Using Newly Announced Chemical Substances As Validation Set

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 45th Annual Meeting (2024)
  Name of Proceedings : Abstracts, 560
• Research Presentation
  Characterization of Structural Similarity and Mode of Action of Chemicals with High Reproductive Toxicity to Daphnia magna

  Presenter : Watanabe H., Itami Y., Ninomiya Y., Sugiura T., Yamamoto H., Ohno K.
  Name of Society : SETAC North America 45th Annual Meeting (2024)
  Name of Proceedings : Abstracts, 348
• Research Presentation
  External Validation and Characterization of Ecotoxicity Prediction QSAR Model KATE2020

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 44th Annual Meeting (2023)
  Name of Proceedings : Abstract Book, 388-389
• Research Presentation
  Mixture Effects of Phthalate Esters and Their Subgrouping Based on Toxicity Profiles

  Presenter : Yamamoto H., Oda Y., Watanabe H., Yamagishi T., Hiki K., Ozawa F., Ohno K.
  Name of Society : SETAC North America 44th Annual Meeting (2023)
  Name of Proceedings : Abstracts, 117
• Research Presentation
  Short-term chronic toxicity of acrylic acid and acrylates esters to alga, daphnid and fish

  Presenter : Watanabe H., Kawano M., Yamagishi T., Ozawa F., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 41st Annual Meeting (2020)
  Name of Proceedings : Abstracts, 142
• Research Presentation
  External validation of the ecotoxicity prediction system, KATE2017

  Presenter : Furuhama A., Ohno K., Yamamoto H.
  Name of Society : Computational Methods in Toxicology and Pharmacology Integrating Internet Resources (CMTPI-2019) (2019)
  Name of Proceedings : Abstracts, 51
• Research Presentation
  Zurich Statement of Future Actions on Per- and Polyfluoroalkyl Substances (PFASs)

  Presenter : Wang Z., Ritscher A., Scheringer M., Ahrens L., Berger U., Bintein S., Bopp S., Borg D., Buser A., Cousins I., DeWitt J.C., Fletcher T., Green C., Herzke D., Higgins C.P., Huang J., Hung H., Knepper T.P., Lau, C., Leinala E., Lindstrom A., Liu J., Miller M., Ohno K., Perkola N., Shi Y., Haug L.S., Valsecchi S., van der Jagt K., Vierke L.
  Name of Society : SETAC Europe 29th Annual Meeting (2019)
  Name of Proceedings : Abstract Book, 359
• Research Presentation
  Trend of Operation and Management of Water Supplies in Size and Location Diversity

  Presenter : Asami M., Simazaki D., Oguma K., Ohno K.
  Name of Society : The IWA World Water Congress & Exhibition (2018)
  Name of Proceedings : Abstracts, (639)

• A novel approach for categorizing mode of action of chemicals by utilizing time-to-death observed in the fish acute toxicity test

  Presenter : Huang R., Yamagishi T., Hiki K., Ohno K., Watanabe H., Yamamoto H.
  Name of Society : 3rd Joint Concerence on Environmental Chemicals (2024)
  Name of Proceedings : Abstract
• Development of Data Quality Evaluation Method for Ecotoxicity Assessments to Improve Transparency and Consistency

  Presenter : Ohno K., Ozawa F., Oda S., Sato R., Okada K., Yamazaki K., Ito S., Kondo R.
  Name of Society : SETAC Europe 36th Annual Meeting (2026)
  Name of Proceedings : Abstracts, P-Th406
• LC5096h/LC5024h ratio derived from fish embryo acute toxicity test supports defining its applicability domain as alternative to acute fish toxicity test.

  Presenter : Huang R., Watanabe H., Ohno K., Yamamoto H., Yamagishi T.
  Name of Society : The 4th Joint Conference on Environmental Chemicals (2025)
  Name of Proceedings : Abstracts
• Performance Evaluation of QSAR Model "KATE2020" in Algal Toxicity Prediction using CSCL Newly Announced Chemical Substances as validation Set

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC Europe 35th Annual Meeting (2025)
  Name of Proceedings : Abstracts, 112
• Ecological Risk Assessment of Sulfa Drugs: A Case Study Using a Component Based Approach for Chemical Mixtures

  Presenter : Ozawa F., Nakajima T., Yoshizawa A., Machi S., Yamamoto H., Ohno K.
  Name of Society : SETAC Europe 35th Annual Meeting (2025)
  Name of Proceedings : Abstracts, 966
• Development of "KATE2025": An Updated QSAR Model for Ecotoxicity Prediction and Comparative Evaluation With Previous Versions

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 46th Annual Meeting (2025)
  Name of Proceedings : -
• A novel metric to define the applicability domain of the fish embryo acute toxicity test as an alternative to the acute fish toxicity test

  Presenter : Huang R., Watanabe H., Ohno K., Yamamoto H., Yamagishi T.
  Name of Society : ETAC North America 46th Annual Meeting (2025)
  Name of Proceedings : Abstracts, 14
• Experimental Validation of a Novel Metric, LC5096h/LC5024h Ratio, to Define the Applicability Domain of the Fish Embryo Test as an Alternative to Acute Fish Toxicity: A Case Study with 10 chemicals.

  Presenter : Huang R., Watanabe H., Ohno K., Yamamoto H., Yamagishi T.
  Name of Society : SETAC North America 46th Annual Meeting. (2025)
  Name of Proceedings : Abstracts
• Ecotoxicity of antimicrobials in potentially sensitive species such as cyanobacteria, algae and protozoa

  Presenter : Yamamoto H., Oda Y., Watanabe H., Yamagishi T., Hiki K., Sugiura T., Nagao A., Ohno K.
  Name of Society : SETAC North America 46th Annual Meeting (2025)
  Name of Proceedings : Abstracts, 75
• Update to Ecotoxicity Prediction Model KATE2020 version 5.0 and its Predictive Performance Evaluation

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC Europe 34th Annual Meeting (2024)
  Name of Proceedings : Abstracts
• Assessing the applicability domain of fish embryo toxicity test as alternatives of fish acute toxicity test, utilizing time-to-death in FET test

  Presenter : Huang R., Yamagishi T., Watanabe H., Ohno K., Yamamoto H.
  Name of Society : SETAC Europe 34th Annual Meeting (2024)
  Name of Proceedings : Abstracts
• Toward the Tier Two Environmental Risk Assessment of Groups of Chemicals: A Case Study on Sulfa Drugs

  Presenter : Ozawa F., Watanabe H., Yamagishi T., Sato R., Maichi S., Yamamoto H., Ohno K.
  Name of Society : SETAC Europe 34th Annual Meeting (2024)
  Name of Proceedings : Abstracts
• Evaluation of the Mode of Action (MoA) of Chemicals Based on Time-to- Death Data Obtained from Fish Embryo Acute Toxicity (FET) Test

  Presenter : Huang R., Yamagishi T., Watanabe H., Hiki K., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 45th Annual Meeting (2024)
  Name of Proceedings : Abstracts, 160
• Predictive Performance Evaluation of Ecotoxicity Prediction Model "KATE2020" Using Newly Announced Chemical Substances As Validation Set

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 45th Annual Meeting (2024)
  Name of Proceedings : Abstracts, 560
• Characterization of Structural Similarity and Mode of Action of Chemicals with High Reproductive Toxicity to Daphnia magna

  Presenter : Watanabe H., Itami Y., Ninomiya Y., Sugiura T., Yamamoto H., Ohno K.
  Name of Society : SETAC North America 45th Annual Meeting (2024)
  Name of Proceedings : Abstracts, 348
• External Validation and Characterization of Ecotoxicity Prediction QSAR Model KATE2020

  Presenter : Itami Y., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 44th Annual Meeting (2023)
  Name of Proceedings : Abstract Book, 388-389
• Mixture Effects of Phthalate Esters and Their Subgrouping Based on Toxicity Profiles

  Presenter : Yamamoto H., Oda Y., Watanabe H., Yamagishi T., Hiki K., Ozawa F., Ohno K.
  Name of Society : SETAC North America 44th Annual Meeting (2023)
  Name of Proceedings : Abstracts, 117
• Short-term chronic toxicity of acrylic acid and acrylates esters to alga, daphnid and fish

  Presenter : Watanabe H., Kawano M., Yamagishi T., Ozawa F., Ohno K., Yamamoto H.
  Name of Society : SETAC North America 41st Annual Meeting (2020)
  Name of Proceedings : Abstracts, 142
• External validation of the ecotoxicity prediction system, KATE2017

  Presenter : Furuhama A., Ohno K., Yamamoto H.
  Name of Society : Computational Methods in Toxicology and Pharmacology Integrating Internet Resources (CMTPI-2019) (2019)
  Name of Proceedings : Abstracts, 51
• Zurich Statement of Future Actions on Per- and Polyfluoroalkyl Substances (PFASs)

  Presenter : Wang Z., Ritscher A., Scheringer M., Ahrens L., Berger U., Bintein S., Bopp S., Borg D., Buser A., Cousins I., DeWitt J.C., Fletcher T., Green C., Herzke D., Higgins C.P., Huang J., Hung H., Knepper T.P., Lau, C., Leinala E., Lindstrom A., Liu J., Miller M., Ohno K., Perkola N., Shi Y., Haug L.S., Valsecchi S., van der Jagt K., Vierke L.
  Name of Society : SETAC Europe 29th Annual Meeting (2019)
  Name of Proceedings : Abstract Book, 359
• Trend of Operation and Management of Water Supplies in Size and Location Diversity

  Presenter : Asami M., Simazaki D., Oguma K., Ohno K.
  Name of Society : The IWA World Water Congress & Exhibition (2018)
  Name of Proceedings : Abstracts, (639)

• 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

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