Latest Update：2026/09/07 09:50:48

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
- 27559 : Impact assessment of antimicrobial residues on the aquatic ecosystem
- 27561 : FY2025 Contract work on the development and validation of new ecotoxicity test methods in OECD and the support for GLP inspection activities
- 27570 : Classification of structure similarity and mode of action of chemicals with high chronic toxicity to daphnids
- 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
- 27580 : Contract study on the ecological risk assessment of multiple chemicals in FY2025
- 27581 : FY2025 Contract research work on the development of new assessment method for ecological risk of pesticides and optimization of risk assessment
- 27589 : FY2025 Contract work on the support and development for hazard assessment and related activities under the Chemical Substances Control Law (CSCL)
- 27590 : FY2025 Contract work on the initial environmental risk assessment of chemicals and related activities
- 27591 : FY2025 Contract Study and Investigation on Environmental Quality Standards for the Conservation of Aquatic Life
- 27592 : FY2025 Contract research study on a prediction method of ecotoxicity to aquatic life
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

View all

Research Result (Publication)

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)
Original Paper

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)

View all

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)
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)

View all

−

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

View all

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)

View all

Research Result (Presentation)

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 Presentation

Simulation-based Evaluation of Long-term Trends in Environmental PFOS and PFOA Concentrations Across Japan Using the Multimedia Fate Model (G-CIEMS)

Presenter : Imaizumi Y., Koyama Y., Suzuki N., Ohno K.
Name of Society : SETAC Europe 36th Annual Meeting (2026)
Name of Proceedings : Abstract Book, 636
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)

View all

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
Simulation-based Evaluation of Long-term Trends in Environmental PFOS and PFOA Concentrations Across Japan Using the Multimedia Fate Model (G-CIEMS)

Presenter : Imaizumi Y., Koyama Y., Suzuki N., Ohno K.
Name of Society : SETAC Europe 36th Annual Meeting (2026)
Name of Proceedings : Abstract Book, 636
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)

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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

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OHNO Koichi

Research Subject

Fiscal Year: 2025

Fiscal Year: 2024

Fiscal Year: 2023

Fiscal Year: 2022

Fiscal Year: 2021

Fiscal Year: 2020

Fiscal Year: 2019

Fiscal Year: 2018

Fiscal Year: 2017

Research Result (Publication)

Research Result (Presentation)