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Ethyl glucuronide in hair of non-excessive alcohol consumers: correlations and gender influence
Springer Science and Business Media LLC - Tập 34 - Trang 186-190 - 2015
Cleo L. Crunelle, Delphine Cappelle, Eva Flamand, Jeroen Cox, Adrian Covaci, Mireille De Doncker, Alexander L. N. van Nuijs, Peter Michielsen, Michel Yegles, Hugo Neels
Hair ethyl glucuronide (hEtG) is a marker used for previous alcohol consumption. Correlations have been reported between the amount of alcohol consumed and hEtG concentration, but little has been published regarding relatively low levels of alcohol consumption and associated hEtG concentrations close to the limit of quantification (LOQ). Here, we investigate hEtG concentrations in non-excessive (<...... hiện toàn bộ
A modified direct-heating headspace solid-phase microextraction method for drug screening with urine samples
Springer Science and Business Media LLC - Tập 36 - Trang 225-228 - 2017
Hiroshi Fujii, Brian Waters, Kenji Hara, Natsuki Ikematsu, Mio Takayama, Aya Matsusue, Masayuki Kashiwagi, Shin-ichi Kubo
VOCs as fingerprints for the chemical profiling of hashish samples analyzed by HS-SPME/GC–MS and multivariate statistical tools
Springer Science and Business Media LLC - Tập 36 - Trang 243-260 - 2017
Roberta Ascrizzi, Guido Flamini, Mario Giusiani, Fabio Stefanelli, Viviana Deriu, Silvio Chericoni
The statistical evaluation of the chemical profile of seized hashish samples is a valuable tool to aid the estimation of the route through which the material has reached the dealers’ market. In this study, the complete volatile organic compound (VOC) emission profiles of 48 seized hashish samples have been analyzed by means of headspace solid-phase microextraction/gas chromatography–mass spectrome...... hiện toàn bộ
Organ distribution of 4-MEC, MDPV, methoxetamine and α-PVP: comparison of QuEChERS and SPE
Springer Science and Business Media LLC - Tập 36 - Trang 320-333 - 2018
Sabrina Lehmann, Bastian Schulze, Andreas Thomas, Thomas Kamphausen, Mario Thevis, Markus A. Rothschild, Katja Mercer-Chalmers-Bender
An organ distribution investigation was carried out on two deceased (A and B) who consumed 4-methylethcathinone (4-MEC), methylenedioxypyrovalerone (MDPV), methoxetamine (MXE) and α-pyrrolidinopentiophenone (α-PVP). The detection of the aforementioned drugs in the specimens was performed on a liquid chromatography–tandem mass spectrometry system. Two different extraction methods were compared with...... hiện toàn bộ
Postmortem detection of rocuronium and sugammadex by LC/MS in the blood of a patient who died on postoperative day 8
Springer Science and Business Media LLC - Tập 37 - Trang 250-253 - 2018
Yoshiaki Iwamuro, Takaya Murakami, Reiko Ishimaru, Satoshi Chinaka
This case report describes the purposeful forensic detection of both the muscle relaxant rocuronium and the reversal agent sugammadex in the blood of a patient who died 8 days after surgery. The two compounds were analyzed by liquid chromatography/mass spectrometry (LC/MS). The molar concentrations of the two compounds were almost the same, indicating that rocuronium had lost its muscle relaxant e...... hiện toàn bộ
Determination of acephate and methamidophos in tissues: appearance of matrix effect in gas chromatography–mass spectrometry
Springer Science and Business Media LLC - Tập 29 - Trang 159-162 - 2011
Nobuyuki Adachi, Hiroshi Kinoshita, Minori Nishiguchi, Motonori Takahashi, Harumi Ouchi, Takako Minami, Kiyoshi Matsui, Takehiko Yamamura, Shie Yoshida, Hajime Nishio
A simple and reliable method to determine acephate and methamidophos in mammalian tissues is presented. The method includes solid-phase extraction of tissue extracts with active carbon cartridges followed by gas chromatography–mass spectrometry analysis. During the study, a matrix effect was observed especially at low concentrations of acephate and methamidophos in serum and in brain. To minimize ...... hiện toàn bộ
Identification and quantitation of 5-fluoro-ADB, one of the most dangerous synthetic cannabinoids, in the stomach contents and solid tissues of a human cadaver and in some herbal products
Springer Science and Business Media LLC - Tập 33 Số 1 - Trang 112-121 - 2015
Koutaro Hasegawa, Amin Wurita, Kumagusu Minakata, Kunio Gonmori, Itaru Yamagishi, Hideki Nozawa, Kota Watanabe, Osamu Suzuki
A case of fatal arsenic poisoning
Springer Science and Business Media LLC - Tập 24 - Trang 88-91 - 2006
Fumio Moriya, Junichi Furumiya, Yoshiaki Hashimoto
We describe a case of poisoning by arsenic trioxide of a young man found dead at home. There were no obvious external signs of arsenic poisoning; but we observed marked endocardial hemorrhages, hepatomegaly, diffuse gastric mucosal hemorrhages, and slight brain edema at autopsy. The Reinsch test for the stomach contents and liver homogenate was positive for arsenic. Wavelength-dispersive X-ray flu...... hiện toàn bộ
Discrimination and identification of regioisomeric β-keto analogues of 3,4-methylenedioxyamphetamines by gas chromatography-mass spectrometry
Springer Science and Business Media LLC - Tập 26 - Trang 45-51 - 2008
Kei Zaitsu, Munehiro Katagi, Hiroe T. Kamata, Akihiro Miki, Hitoshi Tsuchihashi
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 derivatives of MDAs, 2-methylamino-1-(3,4-methylenedioxyphenyl)butan-1-one (bk-MBDB), 2-ethylamino-1-(3,4-methylenedioxyphenyl) propan-1-one (bk-MDEA), and 2-dimethylamino-1-(3,4-methylenedioxyphenyl)propan-1-one (bk-MDDMA...... hiện toàn bộ
Norcarfentanil: carfentanil misuse or remifentanil treatment?
Springer Science and Business Media LLC - Tập 37 - Trang 488-495 - 2019
Nathalie Allibe, Nathalie Fouilhe Sam-Lai, Théo Willeman, Jean-François Jourdil, Mireille Bartoli, Michel Mallaret, Benjamin Nemoz, Françoise Stanke-Labesque, Hélène Eysseric-Guerin
Since the early 2010s, deaths due to the use of new synthetic opioids (NSO) including fentanyl and its analogs have been increasing dramatically. As fentanyl analogs bear strong structural similarities, they can share common metabolites. In some clinical or forensic cases, it can be important to demonstrate the presence of both the metabolite and the parent product to confirm that the compound is ...... hiện toàn bộ
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