eISSN: 1689-1716
ISSN: 0324-8267
Archiwum Medycyny Sądowej i Kryminologii/Archives of Forensic Medicine and Criminology
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SCImago Journal & Country Rank
3/2014
vol. 64
 
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abstract:
Case report

Determination of cocaine and benzoylecgonine in nails by liquid chromatography-electrospray ionization-tandem mass spectrometry

Marzena Sykutera, Przemysław Piotrowski, Elżbieta Bloch-Bogusławska

Arch Med Sąd Kryminol 2014; 64 (3): 165–174
Online publish date: 2015/02/06
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Nails and hair are a biological matrix which can be analyzed to confirm the use of a xenobiotic even several months after intake. Results of nail analysis can be used, for example, as evidence in civil and criminal law cases in which a history of drug use can influence the court’s decision.

The paper presents results of analysis of a nail sample taken from a man who was suspected of trafficking cocaine. The suspect pleaded guilty to the possession of the drug for his own use because, as he claimed, he was addicted to cocaine. A nail sample was taken. Detection and quantification were carried out using liquid chromatography-mass spectrometry (LC-ESI-MS). The concentration of cocaine in nails was found to be 47 ng/mg, and benzoylecgonine – 14 ng/mg.
keywords:

cocaine, benzoylecgonine, LC-ESI-MS, fingernails

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