Determination of the metabolites of the new designer drugs bk-MBDB and bk-MDEA in human urine
K Zaitsu, M Katagi, HT Kamata, T Kamata… - Forensic science …, 2009 - Elsevier
This is the first report on identifying the specific metabolites of the new designer drugs 2-methylamino-1-(3,4-methylenedioxyphenyl)butan-1-one
(bk-MBDB) and 2-ethylamino-1-(3,4-…
(bk-MBDB) and 2-ethylamino-1-(3,4-…
Metabolism of the psychotomimetic tryptamine derivative 5-methoxy-N, N-diisopropyltryptamine in humans: identification and quantification of its urinary metabolites
T Kamata, M Katagi, HT Kamata, A Miki, N Shima… - Drug metabolism and …, 2006 - ASPET
The urinary metabolites of 5-methoxy-N,N-diisopropyltryptamine (5-MeO-DIPT) in humans
have been investigated by analyzing urine specimens from its users. For the unequivocal …
have been investigated by analyzing urine specimens from its users. For the unequivocal …
Discrimination and identification of regioisomeric β-keto analogues of 3, 4-methylenedioxyamphetamines by gas chromatography-mass spectrometry
K Zaitsu, M Katagi, HT Kamata, A Miki… - Forensic Toxicology, 2008 - Springer
Very recently, β-keto derivatives of 3,4-methylenedioxyamphetamines (MDAs) have
appeared on the illicit drug market. In the present study, we synthesized three isomers of β-keto …
appeared on the illicit drug market. In the present study, we synthesized three isomers of β-keto …
Simultaneous analysis of new designer drug, methylone, and its metabolites in urine by gas chromatography-mass spectrometry and liquid chromatography …
HT Kamata, N Shima, K Zaitsu, T Kamata… - Japanese Journal of …, 2007 - jstage.jst.go.jp
Introduction Methylone [2 methylamino 1(3, 4 methylenedioxyphenyl) propan 1 one],
the b keto analogue of 3, 4 methylenedioxymethamphetamine (MDMA), increases the …
the b keto analogue of 3, 4 methylenedioxymethamphetamine (MDMA), increases the …
Metabolism of the newly encountered designer drug α-pyrrolidinovalerophenone in humans: identification and quantitation of urinary metabolites
…, M Katagi, H Kamata, S Matsuta, K Sasaki, T Kamata… - Forensic …, 2014 - Springer
Urinary metabolites of α-pyrrolidinovalerophenone (α-PVP) in humans were investigated by
analyzing urine specimens obtained from abusers. Unambiguous identification and …
analyzing urine specimens obtained from abusers. Unambiguous identification and …
Incorporation of zolpidem into hair and its distribution after a single administration
N Shima, K Sasaki, T Kamata, S Matsuta… - Drug Metabolism and …, 2017 - ASPET
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 …
in drug distribution along single-strand hair were observed after a single oral administration …
Metabolism of the designer drug α-pyrrolidinobutiophenone (α-PBP) in humans: identification and quantification of the phase I metabolites in urine
…, H Kakehashi, S Nakano, K Sasaki, T Kamata… - Forensic Science …, 2015 - Elsevier
… In contrast, 4′-hydroxy metabolites of α-PBP couldn’t be detected in the present study.
Based on these findings, a considerable interspecies variation could exist in the phase I …
Based on these findings, a considerable interspecies variation could exist in the phase I …
Effects of lipophilicity and functional groups of synthetic cannabinoids on their blood concentrations and urinary excretion
…, S Matsuta, K Sasaki, H Kamata, T Kamata… - Forensic science …, 2020 - Elsevier
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 …
blood concentrations and urinary excretion has been studied by analyzing blood and urine …
Incorporation of zolpidem and methoxyphenamine into white hair strands after single administrations: Influence of hair pigmentation on drug incorporation
N Shima, A Nitta, T Kamata, K Sasaki, S Matsuta… - Forensic science …, 2019 - Elsevier
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 …
time-course changes in drug distribution along non-pigmented (white) hairs as well as …
Urinary excretion and metabolism of the α-pyrrolidinophenone designer drug 1-phenyl-2-(pyrrolidin-1-yl) octan-1-one (PV9) in humans
…, H Kamata, S Nakano, K Sasaki, T Kamata… - Forensic …, 2015 - Springer
Phenyl-2-(pyrrolidin-1-yl)octan-1-one (PV9) and 16 metabolites, including diastereomers and
conjugates, were identified or tentatively detected in human urine by gas chromatography–…
conjugates, were identified or tentatively detected in human urine by gas chromatography–…