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Related Experiment Videos

Dagga-smoker's hand--a new physical sign?

D L Lamont1, J A Duflou, D Coates

  • 1Department of Forensic Medicine and Toxicology, University of Cape Town.

South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde
|March 19, 1988
PubMed
Summary
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Urine cannabinoid tests from 103 autopsies were compared to hand stains from suspected cannabis smoking. The Enzyme Multiplied Immuno-Technique (EMIT) urine assay showed variable correlation with physical indicators.

Area of Science:

  • Forensic Toxicology
  • Analytical Chemistry

Background:

  • Cannabis use detection is crucial in medicolegal investigations.
  • Assessing the reliability of different detection methods is essential for accurate forensic analysis.

Purpose of the Study:

  • To compare the efficacy of urine cannabinoid testing with physical indicators of cannabis smoking.
  • To evaluate the performance of the EMIT d.a.u. cannabinoid assay in a medicolegal autopsy context.

Main Methods:

  • Medicolegal autopsies were conducted on 103 cases.
  • Urine samples were analyzed for cannabinoids using the EMIT d.a.u. system.
  • Hand stains, purportedly from cannabis smoking, were examined using the 'bottleneck' technique.

Main Results:

Related Experiment Videos

  • The study compared urine cannabinoid test results with visual evidence of cannabis smoking on hands.
  • Correlation between urine cannabinoid presence and hand stains was assessed.
  • Experience with the EMIT d.a.u. cannabinoid assay system is detailed.

    • Conclusions:

    • The study provides insights into the correlation between biochemical and physical markers of cannabis consumption.
    • Findings contribute to understanding the utility and limitations of urine drug testing in forensic casework.