Document Detail

Detection of the synthetic drug 4-fluoroamphetamine (4-FA) in serum and urine.
MedLine Citation:
PMID:  21543168     Owner:  NLM     Status:  Publisher    
4-Fluoroamphetamine (4-FA) was detected in the blood and urine of two individuals suspected for driving under the influence (DUI). The test for amphetamines in urine subjected to immunoassay screening using the CEDIA DAU assay proved positive. Further investigations revealed a 4-FA cross-reactivity of about 6% in the CEDIA amphetamine assay. 4-FA was qualitatively detected in a general unknown screening for drugs using GC/MS in full scan mode. No other drugs or fluorinated phenethylamines were detected. A validated GC/MS method was established in SIM mode for serum analysis of 4-FA with a limit of detection (LOD) of 1ng/mL and a lower limit of quantification (LLOQ) of 5ng/mL. Intra-assay precision was approx. 4% and inter-assay precision approx. 8%. Applying this method, the 4-FA serum concentrations of the two subjects were determined to be 350ng/mL and 475ng/mL, respectively. Given the pharmacological data of amphetamine, 4-FA psychoactive effects are to be expected at these serum levels. Both subjects exhibited sympathomimetic effects and psychostimulant-like impairment accordingly.
J Röhrich; J Becker; T Kaufmann; S Zörntlein; R Urban
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-2
Journal Detail:
Title:  Forensic science international     Volume:  -     ISSN:  1872-6283     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7902034     Medline TA:  Forensic Sci Int     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
Institute of Legal Medicine, Johannes Gutenberg-University Mainz, Am Pulverturm 3, 55131 Mainz, Germany.
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