Journal
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
Volume 88, Issue -, Pages 295-306Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpba.2013.08.050
Keywords
Targeted screening and quantification; Pharmaceuticals; Drugs of abuse; UPLC-MS/MS; Hair
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The method presented in this study allows the screening and quantification of 96 drugs, from different groups: opiates, amphetamines, hallucinogens, benzodiazepines, antihistamines, antidepressants, antipsychotics, barbiturates and other sedatives, muscle relaxants, etc. in hair. Drugs are extracted from 10 mg of washed hair in 18 h by a mixture of methanol:acetonitrile:ammonium formate (pH 5.3). Absolute recovery ranged from 70% to 106% for 75% of the analytes. The limits of detection in the low pg/mg range, may allow the detection of single dose drug exposure, with possible application in drug facilitated assaults (DFA); however, chronic use (compliance) can also be examined. The method has been fully validated for the drugs included in the study. The accuracy of the method was demonstrated by the analysis of certified authentic hair samples containing common drugs of abuse. The hair-method has broad potential as the measuring range is wide for the target analytes and new drugs can easily be added to the method due to the versatility of the extraction procedure and chromatographic system. (C) 2013 Elsevier B.V. All rights reserved.
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