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- Title
Monitoring of Levamisole Concentration in Serum of Traffic Participants after Cocaine Consumption.
- Authors
Dziadosz, Marek; Klintschar, Michael; Teske, Jörg
- Abstract
This study highlights the problem of levamisole-adulterated cocaine in context of active traffic participation. For the purposes of levamisole concentration monitoring in human serum, an analytical method based on LC- MS/ MS and solid-phase extraction was applied. A Luna 5 μm C18 (2) 100 A, 150 mm × 2 mm column and a mobile phase consisting of A (H2O/methanol = 95/5, v/v) and B (H2O/methanol = 3/97, v/v), both with 10 mM ammonium acetate and with 0.1% acetic acid ( pH = 3.2), were used. The validation experiments demonstrated that the method applied was appropriate for levamisole quantification in human serum. For 23% of levamisole-positive samples, the concentrations exceeded 20 ng/mL. Therefore, the interaction of this drug with cocaine has to be considered as important for active traffic participation. As a consequence, monitoring of levamisole concentration in human serum is recommended, as long as it is used as cocaine adulterant.
- Subjects
LEVAMISOLE; COCAINE; SERUM; FORENSIC anthropology; FORENSIC anthropology laboratories; FORENSIC science equipment; FORENSIC sciences
- Publication
Journal of Forensic Sciences, 2016, Vol 61, pS250
- ISSN
0022-1198
- Publication type
Article
- DOI
10.1111/1556-4029.12952