Publications by authors named "Tooru Kamata"

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Urinary excretion profiles of the orexin receptor antagonist suvorexant and its metabolites.
Misato Wada, Hiroe Kamata, Noriaki Shima, Atsushi Nitta, Hidenao Kakehashi, Tooru Kamata

Forensic Toxicol· July 2025

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Incorporation of suvorexant and lemborexant into hair and their distributions after a single intake.
Atsushi Nitta, Noriaki Shima, Hiroe Kamata, Misato Wada, Kengo Matsumoto, Tooru Kamata

Forensic Toxicol· January 2025

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Human and rat microsomal metabolites of N-tert-butoxycarbonylmethamphetamine and its urinary metabolites in rat.
Hidenao Kakehashi, Takahiro Doi, Misato Wada, Tooru Kamata, Noriaki Shima, Hiroe Kamata

Forensic Toxicol· January 2022

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Incorporation of Methoxyphenamine into Hair in Early Stage after Intake.
Atsushi Nitta, Noriaki Shima, Tooru Kamata, Keiko Sasaki, Shuntaro Matsuta, Hiroe Kamata

J Anal Toxicol· November 2021

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Incorporation of five common hypnotics into hair after a single dose and application to a forensic case of drug facilitated crimes.
Keiko Sasaki, Noriaki Shima, Tooru Kamata, Akari Ishikawa, Atsushi Nitta

Forensic Sci Int· August 2021

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High Spatial-Resolution Matrix-Assisted Laser Desorption/Ionization-Ion Trap-Time-of-Flight Tandem Mass Spectrometry Imaging for Depicting Longitudinal and Transverse Distribution of Drugs Incorporated into Hair.
Tooru Kamata, Noriaki Shima, Akihiro Miki, Eiichi Matsuo, Takushi Yamamoto

Anal Chem· April 2020

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Effects of lipophilicity and functional groups of synthetic cannabinoids on their blood concentrations and urinary excretion.
Hidenao Kakehashi, Noriaki Shima, Akari Ishikawa, Atsushi Nitta, Ryutaro Asai, Hiroe Kamata, Tooru Kamata

Forensic Sci Int· February 2020

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Incorporation of zolpidem and methoxyphenamine into white hair strands after single administrations: Influence of hair pigmentation on drug incorporation.
Noriaki Shima, Atsushi Nitta, Tooru Kamata, Keiko Sasaki, Shuntaro Matsuta, Hiroe Kamata

Forensic Sci Int· August 2019

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Metabolism of α-PHP and α-PHPP in humans and the effects of alkyl chain lengths on the metabolism of α-pyrrolidinophenone-type designer drugs.
Shuntaro Matsuta, Noriaki Shima, Hidenao Kakehashi, Hiroe Kamata, Shihoko Nakano, Tooru Kamata

Forensic Toxicol· May 2018

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Incorporation of Zolpidem into Hair and Its Distribution after a Single Administration.
Noriaki Shima, Keiko Sasaki, Tooru Kamata, Shuntaro Matsuta, Misato Wada, Hiroe Kamata

Drug Metab Dispos· March 2017

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Erratum to: High-resolution mass spectrometric determination of the synthetic cannabinoids MAM-2201, AM-1220, AM-2232, and their metabolites in postmortem plasma and urine by LC/Q-TOFMS.
Kei Zaitsu, Hiroshi Nakayama, Mayumi Yamanaka, Kazuaki Hisatsune, Kentaro Taki, Tooru Kamata

Int J Legal Med· January 2016

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High-resolution mass spectrometric determination of the synthetic cannabinoids MAM-2201, AM-2201, AM-2232, and their metabolites in postmortem plasma and urine by LC/Q-TOFMS.
Kei Zaitsu, Hiroshi Nakayama, Mayumi Yamanaka, Kazuaki Hisatsune, Kentaro Taki, Tooru Kamata

Int J Legal Med· November 2015

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Time-course mass spectrometry imaging for depicting drug incorporation into hair.
Tooru Kamata, Noriaki Shima, Keiko Sasaki, Shuntaro Matsuta, Shiori Takei

Anal Chem· June 2015

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Metabolism of the designer drug α-pyrrolidinobutiophenone (α-PBP) in humans: identification and quantification of the phase I metabolites in urine.
Shuntaro Matsuta, Noriaki Shima, Hiroe Kamata, Hidenao Kakehashi, Shihoko Nakano, Tooru Kamata

Forensic Sci Int· April 2015

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Development of a simple one-pot extraction method for various drugs and metabolites of forensic interest in blood by modifying the QuEChERS method.
Shuntaro Matsuta, Keiko Nakanishi, Akihiro Miki, Kei Zaitsu, Noriaki Shima, Tooru Kamata

Forensic Sci Int· October 2013

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Cross-reactivities of various phenethylamine-type designer drugs to immunoassays for amphetamines, with special attention to the evaluation of the one-step urine drug test Instant-View™, and the Emit® assays for use in drug enforcement.
Keiko Nakanishi, Akihiro Miki, Kei Zaitsu, Hiroe Kamata, Noriaki Shima, Tooru Kamata

Forensic Sci Int· April 2012

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MALDI-TOF and MALDI-FTICR imaging mass spectrometry of methamphetamine incorporated into hair.
Akihiro Miki, Munehiro Katagi, Tooru Kamata, Kei Zaitsu, Michiaki Tatsuno

J Mass Spectrom· April 2011

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Metabolism and toxicologic analysis of tryptamine-derived drugs of abuse.
Munehiro Katagi, Tooru Kamata, Kei Zaitsu, Noriaki Shima, Hiroe Kamata

Ther Drug Monit· June 2010

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Determination of the metabolites of the new designer drugs bk-MBDB and bk-MDEA in human urine.
Kei Zaitsu, Munehiro Katagi, Hiroe T Kamata, Tooru Kamata, Noriaki Shima

Forensic Sci Int· July 2009

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Determination of a newly encountered designer drug "p-methoxyethylamphetamine" and its metabolites in human urine and blood.
Kei Zaitsu, Munehiro Katagi, Tooru Kamata, Hiroe Kamata, Noriaki Shima

Forensic Sci Int· May 2008

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Discrimination and identification of the six aromatic positional isomers of trimethoxyamphetamine (TMA) by gas chromatography-mass spectrometry (GC-MS).
Kei Zaitsu, Munehiro Katagi, Hiroe Kamata, Tooru Kamata, Noriaki Shima

J Mass Spectrom· April 2008

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Oxidation of 5-methoxy-N,N-diisopropyltryptamine in rat liver microsomes and recombinant cytochrome P450 enzymes.
Shizuo Narimatsu, Rei Yonemoto, Kazufumi Masuda, Takashi Katsu, Masato Asanuma, Tooru Kamata

Biochem Pharmacol· February 2008

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A fatal poisoning with 5-methoxy-N,N-diisopropyltryptamine, Foxy.
Einosuke Tanaka, Tooru Kamata, Munehiro Katagi, Hitoshi Tsuchihashi, Katsuya Honda

Forensic Sci Int· November 2006

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Metabolism of the psychotomimetic tryptamine derivative 5-methoxy-N,N-diisopropyltryptamine in humans: identification and quantification of its urinary metabolites.
Tooru Kamata, Munehiro Katagi, Hiroe T Kamata, Akihiro Miki, Noriaki Shima

Drug Metab Dispos· February 2006

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Direct determination of glucuronide and sulfate of p-hydroxymethamphetamine in methamphetamine users' urine.
Noriaki Shima, Hiroe Tsutsumi, Tooru Kamata, Mayumi Nishikawa, Munehiro Katagi

J Chromatogr B Analyt Technol Biomed Life Sci· January 2006

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