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Related Experiment Videos

Analysis of fenthion in postmortem samples by HPLC with diode-array detection and GC-MS using solid-phase extraction

E Meyer1, D Borrey, W Lambert

  • 1Laboratorium voor Toxicologie, Universiteit Gent, Belgium.

Journal of Analytical Toxicology
|May 29, 1998
PubMed
Summary
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A new method quantitates fenthion insecticide in postmortem samples using solid-phase extraction with HPLC-DAD and GC-MS. This technique successfully identified fenthion in a fatal intoxication case.

Area of Science:

  • Forensic Toxicology
  • Analytical Chemistry
  • Environmental Science

Background:

  • Organophosphate insecticides like fenthion pose significant public health risks.
  • Accurate quantification of fenthion in postmortem matrices is crucial for forensic investigations.
  • Existing analytical methods may lack the sensitivity or specificity required for complex biological samples.

Observation:

  • A novel analytical method was developed for fenthion detection.
  • Solid-phase extraction (SPE) was optimized for sample cleanup, outperforming liquid-liquid extraction.
  • The method integrates High-Performance Liquid Chromatography-Diode-Array Detection (HPLC-DAD) and Gas Chromatography-Mass Spectrometry (GC-MS) for robust analysis.

Findings:

  • The developed method accurately quantitates fenthion in postmortem samples.

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  • Fenitrothion was effectively used as an internal standard for reliable quantification.
  • The method was successfully applied to a case of acute fenthion intoxication, detecting 3.8 µg/mL in blood.

    • Implications:

    • This validated method enhances forensic toxicology capabilities for organophosphate poisoning investigations.
    • It provides a reliable tool for determining fenthion exposure in postmortem cases.
    • The study contributes to improving analytical standards in forensic science and public health surveillance.