Highly sensitive analysis of methamphetamine and amphetamine in human whole blood using headspace solid-phase microextraction and gas chromatography–mass spectrometry

A simple and highly sensitive method for analysis of derivatized methamphetamine (MA) and amphetamine (AM) in whole blood was developed using headspace solid-phase microextraction (HS-SPME) and gas chromatography–mass spectrometry electron impact ionization selected ion monitoring (GC–MS-EI-SIM). A...

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Veröffentlicht in:Forensic science international 2001-02, Vol.116 (1), p.15-22
Hauptverfasser: Okajima, Kazuo, Namera, Akira, Yashiki, Mikio, Tsukue, Ichiro, Kojima, Tohru
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container_start_page 15
container_title Forensic science international
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creator Okajima, Kazuo
Namera, Akira
Yashiki, Mikio
Tsukue, Ichiro
Kojima, Tohru
description A simple and highly sensitive method for analysis of derivatized methamphetamine (MA) and amphetamine (AM) in whole blood was developed using headspace solid-phase microextraction (HS-SPME) and gas chromatography–mass spectrometry electron impact ionization selected ion monitoring (GC–MS-EI-SIM). A whole blood sample, deuterated-MA (d 5-MA), as an internal standard (IS), tri- n-propylamine and pentafluorobenzyl bromide were placed in a vial. The vial was heated and stirred at 90°C for 30 min. Then the extraction fiber of the SPME was exposed at 90°C for 30 min in the headspace of the vial while being stirred. The derivatives adsorbed on the fiber were desorbed by exposing the fiber in the injection port of a GC–MS. The calibration curves showed linearity in the range of 0.5–1000 ng/g for both MA and AM. The time for analysis was about 80 min per sample. In addition, this proposed method was applied to two autopsy cases where MA ingestion was suspected. In one case, MA and AM concentrations in the mixed left and right heart blood were 165 and 36.9 ng/g, respectively. In the other case, MA and AM concentrations were 1.79 and 0.119 μg/g in the left heart blood, and 1.27 and 0.074 μg/g in the right heart blood, respectively.
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subjects Adsorption
Alkalies - metabolism
Amphetamine
Amphetamine - blood
Amphetamine - isolation & purification
Amphetamine - metabolism
Amphetamines
Autopsies
Autopsy
Biological and medical sciences
Blood
Calibration
Central Nervous System Stimulants - blood
Central Nervous System Stimulants - isolation & purification
Central Nervous System Stimulants - metabolism
Deuteration
Electron impact
Equilibrium
Forensic medicine
Forensic Medicine - methods
Gas chromatography
Gas Chromatography-Mass Spectrometry - methods
Headspace
Heart
Heart Ventricles
Highly sensitive
Hot Temperature
HS-SPME
Humans
Ingestion
Ionization
Mass spectrometry
Mass spectroscopy
Medical sciences
Methamphetamine
Methamphetamine - blood
Methamphetamine - isolation & purification
Methamphetamine - metabolism
Pentafluorobenzyl bromide
Public health. Hygiene
Public health. Hygiene-occupational medicine
Reproducibility
Reproducibility of Results
Sensitivity and Specificity
Solid phase methods
Solid phases
Temperature
Time Factors
Whole blood
title Highly sensitive analysis of methamphetamine and amphetamine in human whole blood using headspace solid-phase microextraction and gas chromatography–mass spectrometry
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