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Phosphatidylethanol (PEth) in blood samples from "driving under the influence" cases as indicator for prolonged
Alexandra Schröck1, Ana Hernández Redondo2, Marie Martin Fabritius2
1Institute of Forensic Medicine, Forensic Toxicology and Chemistry, University of Bern, Bühlstrasse 20, 3012, Bern, Switzerland. alexandra.schroeck@irm.unibe.ch.
Abstract:
Phosphatidylethanol (PEth) is considered as specific biomarker of alcohol consumption. Due to accumulation after repeated drinking, PEth is suitable to monitor long-term drinking behavior. To examine the applicability of PEth in "driving under the influence of alcohol" cases, 142 blood samples with blood alcohol concentrations (BAC) ranging from 0.0-3.12‰ were analyzed for the presence of PEth homologues 16:0/18:1 (889 ± 878 ng/mL; range
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