Výsledky vyhledávání - "Ritsuko Matsushita"

Systematic In Vitro Metabolic Profiling of the OXIZID Synthetic Cannabinoids BZO-4en-POXIZID, BZO-POXIZID, 5F-BZO-POXIZID, BZO-HEXOXIZID and BZO-CHMOXIZID

Autor: Shimpei Watanabe, Steven Baginski, Takahiro Iwai, Ritsuko Matsushita, Masahisa Takatsu, Toshio Nakanishi, Karin Lindbom, Craig Mckenzie, Svante Vikingsson, Robert Kronstrand, Henrik Gréen, Yasuo Seto

Publikováno v: Journal of Analytical Toxicology. 47:455-463

A new class of synthetic cannabinoids termed OXIZIDs has recently emerged on the recreational drug market. In order to continue the detection of new drugs in biological specimens, the identification of metabolites is essential. The aim of this study

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd1d6e208abc99e327266c351d7bd7c6
https://doi.org/10.1093/jat/bkad016

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Forensic Discrimination of Drug Powder Based on Drug Mixing Condition Determined Using Micro Fourier Transform Infrared Spectroscopy

Autor: Takahiro Iwai, Sadao Honda, Shimpei Watanabe, Ritsuko Matsushita, Toshio Nakanishi, Masahisa Takatsu, Taro Moriwaki, Makina Yabashi, Tetsuya Ishikawa, Yasuo Seto

Publikováno v: ACS Omega. 8:4285-4293

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa9d63a81a4ae7ad81f7cf07ba0d58e4
https://doi.org/10.1021/acsomega.2c07573

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Effects of Machine Washing on the Chromatography Parameters of Polyester Fiber Gel Permeation

Autor: Ritsuko Matsushita, Toshio Nakanishi, Shimpei Watanabe, Takahiro Iwai, Masahisa Takatsu, Sadao Honda, Kenichi Funaki, Tetsuya Ishikawa, Yasuo Seto

Publikováno v: ACS Omega. 7:38789-38795

Fiber examination is frequently performed in forensics, and gel permeation chromatography (GPC) is one candidate method for discriminating polyester fibers. Here, the effects of machine washing on weight-average molecular weight (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebc54c30ddb6b6eaa1b6eb84c4036851
https://doi.org/10.1021/acsomega.2c04446

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Single crystal X-ray analysis using the crystalline sponge method for direct structure determination of new and earlier synthetic cannabinoids including OXIZIDs, AKB48, and JWH-424 from a trace sample

Autor: Shimpei Watanabe, Takashi Kikuchi, Takahiro Iwai, Ritsuko Matsushita, Masahisa Takatsu, Sadao Honda, Toshio Nakanishi, Yuiga Nakamura, Yasuo Seto

Publikováno v: Forensic Chemistry. 33:100480

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d883e09a9f071e53dfc4601d4a39805
https://doi.org/10.1016/j.forc.2023.100480

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Comparison between human liver microsomes and the fungus Cunninghamella elegans for biotransformation of the synthetic cannabinoid JWH-424 having a bromo-naphthyl moiety analysed by high-resolution mass spectrometry

Autor: Shimpei Watanabe, Takahiro Iwai, Ritsuko Matsushita, Toshio Nakanishi, Unnikrishnan Kuzhiumparambil, Shanlin Fu, Yasuo Seto

Publikováno v: Forensic toxicology. 40(2)

Purpose: JWH-424, (8-bromo-1-naphthyl)(1-pentyl-1H-indol-3-yl)methanone, is a synthetic cannabinoid, which is a brominated analogue of JWH-018, one of the best-known synthetic cannabinoids. Despite the structural similarity to JWH-018, little is know

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9dd6b7d05bf8e7a56e93c33822ecf1c3
https://pubmed.ncbi.nlm.nih.gov/36454404

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Forensic discrimination of polyester fibers using gel permeation chromatography

Autor: Ritsuko Matsushita, Shimpei Watanabe, Takahiro Iwai, Toshio Nakanishi, Masahisa Takatsu, Sadao Honda, Kenichi Funaki, Tetsuya Ishikawa, Yasuo Seto

Publikováno v: Forensic Chemistry. 30:100428

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06d5ebf3f2e465a391023dbd11069c31
https://doi.org/10.1016/j.forc.2022.100428

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