Rchr
J-GLOBAL ID：201801001804781697
Update date: Oct. 10, 2024
Hasegawa Koutaro
ハセガワ コウタロウ | Hasegawa Koutaro
Affiliation and department：
Job title：
professor
Research field (1)：
Forensic medicine
Research keywords (6)：
natural toxins
, postmortem distribution
, synthetic cannabinoids
, new psychotropic substances
, Forensic Toxicology
, Forensic Medicine
Research theme for competitive and other funds (5)：
- 2021 - 2024 Development of high-sensitive detection method for compounds taken even decades ago, using human synovial fluid or cartilage specimens
- 2017 - 2019 Development of sensitive analytical method for metabolites of abused drugs in human samples
- 2016 - 2019 麻薬・向精神薬、法規制植物等の規制薬物の分析と鑑別等に関する研究
- 2015 - 2017 Sensitive analysis for determination of dangerous drugs in authentic human samples using standard addition method.
- 2008 - 2010 DEVELOPMENT OF NEW METHODS FOR ANALYSIS OF ILLICIT DRUGS : COMBINATION OF UPLC AND TOF-MS
Papers (73)：
-
Naotomo Miyoshi, Masako Suzuki, Kayoko Minakata, Takuya Kitamoto, Minako Kondo, Koutaro Hasegawa. A validated surrogate analyte LC-MS/MS assay for nicotine in eight human organs combined with QuEChERS extraction. Toxicologie Analytique et Clinique. 2024
-
Xiaolong Zhang, Shuyun Wang, Yuxuan Chen, Jie Gu, Mengchao Wang, Yinyin Dai, Kundi Zhao, Yue Wang, Amin Wurita, Koutaro Hasegawa. Postmortem distribution of ropivacaine and its metabolite in human body fluids and solid tissues by GC-MS/MS using standard addition method. Forensic toxicology. 2024
-
Kayoko Minakata, Hideki Nozawa, Itaru Yamagishi, Kenta Yuyama, Masako Suzuki, Takuya Kitamoto, Minako Kondo, Osamu Suzuki, Koutaro Hasegawa. Detection of new metabolites of risperidone in the solid tissues and body fluids obtained from two cadavers by high resolution tandem mass spectrometry. Forensic science international. 2024. 361. 112117-112117
-
Yinyin Dai, Xiaolong Zhang, Kundi Zhao, Yue Wang, Jinlei Liu, Jie Gu, Huiru Bai, Koutaro Hasegawa, Amin Wurita. Detection and quantification of etomidate and metomidate in human hairs by ultraperformance liquid chromatography with triple quadrupole mass spectrometry (UPLC-MS/MS). Forensic toxicology. 2024
-
Hideki Nozawa, Kayoko Minakata, Koutaro Hasegawa, Itaru Yamagishi, Naotomo Miyoshi, Kenta Yuyama, Masako Suzuki, Takuya Kitamoto, Minako Kondo, Osamu Suzuki. Quantification of risperidone and paliperidone by liquid chromatography-tandem mass spectrometry in biological fluids and solid tissues obtained from two deceased using the standard addition method. Legal medicine (Tokyo, Japan). 2023. 102340-102340
ｍore...
MISC (50)：
-
野澤秀樹, 南方かよ子, 山岸格, 湯山健太, 鈴木雅子, 鈴木修, 長谷川弘太郎. リスペリドン,パリペリドンの解剖検体組織中の定量と体液中の安定性の測定. 日本法医学会学術全国集会講演要旨集. 2024. 108th (Web)
-
南方 かよ子, 野澤 秀樹, 山岸 格, 長谷川 弘太郎, 三由 尚知, 鈴木 雅子, 北本 卓也, 近藤 未菜子, 鈴木 修. オランザピンとその3種代謝物の血液・尿中における安定性の分析. JSBMS Letters. 2023. 48. Suppl. 43-43
-
長谷川 弘太郎. 近年の乱用薬物の趨勢について 非フェンタニル系合成オピオイド. JSBMS Letters. 2022. 47. 3. 48-54
-
南方 かよ子, 野澤 秀樹, 山岸 格, 長谷川 弘太郎, 三由 尚知, 鈴木 雅子, 北本 卓也, 近藤 未菜子, 鈴木 修. LC-MS/MSを用いた血液・尿中24種類の合成カンナビノイド代謝物の同時定量. JSBMS Letters. 2022. 47. Suppl. 75-75
-
長谷川 弘太郎. 【日本における死亡原因の究明】薬毒物分析による死亡原因の究明. Precision Medicine. 2022. 5. 3. 230-233
ｍore...
Education (2)：
- 2009 - 2013 Hamamatsu University School of Medicine Doctoral Degree Program (Medicine) Course of Legal Medicine
- 2001 - 2007 Hamamatsu University School of Medicine Faculty of Medicine
Professional career (1)：
Work history (5)：
- 2024/01 - 現在 Hamamatsu University School of Medicine Department of Legal Medicine Professor
- 2018/04 - 2023/12 Hamamatsu University School of Medicine Department of Legal Medicine Associate Professor
- 2013/04 - 2018/03 Hamamatsu University School of Medicine Department of Legal Medicine Assistant Professor
- 2008/04 - 2009/03 Hamamatsu University Hospital Junior Resident
- 2007/04 - 2008/03 Yaizu City Hospital Junior Resident
Committee career (8)：
Awards (3)：
- 2021/09 - Japanese Society of Medical Mass Spectrometry Young Scientist Award A study on determination and postmortem distribution/redistribution of abused drug(s) in autopsy samples by mass spectrometry
- 2019/07 - Japanese Association of Forensic Toxicology 20th Yoshimura Prize (young scientist award)
- 2018/06 - The Japanese Society of Legal Medicine Young Scientist Award
Association Membership(s) (4)：
The International Association of Forensic Toxicologists
, JAPANESE SOCIETY FOR BIOMEDICAL MASS SPECTROMETRY
, JAPANESE ASSOCIATION OF FORENSIC TOXICOLOGY
, JAPANESE SOCIETY OF LEGAL MEDICINE
