Application of gas chromatography-surface ionization organic mass spectrometry to forensic toxicology |
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Authors: | Ishii Akira Watanabe-Suzuki Kanako Seno Hiroshi Suzuki Osamu Katsumata Yoshinao |
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Affiliation: | Department of Legal Medicine and Bioethics, Nagoya University Graduate School of Medicine, 65 Tsuruma-cho, Showa-ku, Nagoya 466-8550, Japan. akishii@fugita-hu.ac.jp |
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Abstract: | Surface ionization (SI), which consists in the formation of positive and negative ions along the course of thermal desorption of particles from a solid surface, was first applied as a detector for gas chromatography (GC), GC-surface ionization detection (SID); we developed many new sensitive methods for the determination of abused and other drugs by GC-SID. Recently, Fujii has devised a combination of SI and a quadrupole mass spectrometer and named this system a surface ionization organic mass spectrometer (SIOMS), which is highly selective and sensitive for organic compounds containing tertiary amino groups. We have tried to apply this mass spectrometer to forensic toxicological study; so far we have succeeded in determining important drugs-of-abuse and toxic compounds, such as phencyclidine (PCP), pethidine, pentazocine, MPTP and its derivatives from human body fluids with high sensitivity and selectivity. In this review, we describe our recent studies on the application of GC-SIOMS to forensic toxicology. |
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Keywords: | Reviews Forensic toxicology Surface ionization Phencyclidine Pethidine Pentazocine |
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