Tooru Kamata
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Explore the profile of Tooru Kamata including associated specialties, affiliations and a list of published articles.
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30
Citations
155
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Recent Articles
1.
Wada M, Kamata H, Shima N, Nitta A, Kakehashi H, Fujii S, et al.
Forensic Toxicol
. 2024 Dec;
PMID: 39695054
Purpose: Suvorexant is an orexin receptor antagonist used in the treatment of insomnia. In this study, we investigated the urinary excretion profiles of suvorexant and its major metabolites, including conjugates,...
2.
Nitta A, Shima N, Kamata H, Wada M, Matsumoto K, Kakehashi H, et al.
Forensic Toxicol
. 2024 Aug;
43(1):97-107.
PMID: 39122974
Purpose: This study examined the applicability of hair analysis as an approach to identify suvorexant (SUV) and lemborexant (LEM) intake by analyzing black hair specimens collected from study participants after...
3.
Kakehashi H, Doi T, Wada M, Kamata T, Shima N, Miyake A, et al.
Forensic Toxicol
. 2022 Dec;
40(1):75-87.
PMID: 36454489
Purpose: N-tert-Butoxycarbonylmethamphetamine (BocMA), a masked derivative of methamphetamine (MA), converts into MA under acidic condition and potentially acts as a precursor to MA following ingestion. To investigate the metabolism and...
4.
Sasaki K, Shima N, Kamata T, Ishikawa A, Nitta A, Wada M, et al.
Forensic Sci Int
. 2021 Jul;
325:110881.
PMID: 34237583
In order to obtain fundamental information on the disposition of hypnotics into hair after a single oral dose the quantitative hair analysis of triazolam (TZ), etizolam (EZ), flunitrazepam (FNZ), nitrazepam...
5.
Nitta A, Shima N, Kamata T, Sasaki K, Matsuta S, Ishikawa A, et al.
J Anal Toxicol
. 2020 Oct;
45(9):1006-1013.
PMID: 33068108
In order to investigate the incorporation behavior of drugs into hair in early stage (within 24 h) after intake, time-course changes in drug distribution in black hair were carefully analyzed...
6.
Kamata T, Shima N, Miki A, Matsuo E, Yamamoto T, Tsuchihashi H, et al.
Anal Chem
. 2020 Mar;
92(8):5821-5829.
PMID: 32207609
This study aims to achieve high spatial-resolution tandem mass spectrometry (MS/MS) imaging for depicting longitudinal and transverse distribution of drugs in hair, which can provide indispensable information for the proper...
7.
Kakehashi H, Shima N, Ishikawa A, Nitta A, Asai R, Wada M, et al.
Forensic Sci Int
. 2020 Jan;
307:110106.
PMID: 31902661
The influence of lipophilicity and functional groups of synthetic cannabinoids (SCs) on their blood concentrations and urinary excretion has been studied by analyzing blood and urine specimens sampled from drivers...
8.
Shima N, Nitta A, Kamata T, Sasaki K, Matsuta S, Ishikawa A, et al.
Forensic Sci Int
. 2019 May;
301:67-75.
PMID: 31129374
In order to investigate the influence of pigmentation on the incorporation of drugs into hair, time-course changes in drug distribution along non-pigmented (white) hairs as well as pigmented (black) hairs...
9.
Matsuta S, Shima N, Kakehashi H, Kamata H, Nakano S, Sasaki K, et al.
Forensic Toxicol
. 2018 Jul;
36(2):486-497.
PMID: 29963212
Purpose: This study aims to investigate the urinary metabolites of two common α-pyrrolidinophenones (PPs), α-pyrrolidinohexiophenone (α-PHP) and α-pyrrolidinoheptanophenone (α-PHPP). This report also aims to discuss the effects of alkyl chain...
10.
Shima N, Sasaki K, Kamata T, Matsuta S, Wada M, Kakehashi H, et al.
Drug Metab Dispos
. 2016 Dec;
45(3):286-293.
PMID: 27974380
To obtain fundamental information on the drug incorporation into hair, time-course changes in drug distribution along single-strand hair were observed after a single oral administration of zolpidem (ZP), one of...