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Related Experiment Videos

Immunoassay method validation for a modified EMIT phencyclidine assay.

P L Cary1, C A Johnson, T M Folsom

  • 1Toxicology & Drug Monitoring Laboratory, University Hospital & Clinics, Columbia, Missouri 65203.

Journal of Analytical Toxicology
|January 1, 1992
PubMed
Summary
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Modified immunoassay drug tests need validation for forensic use. This study validates a modified EMIT phencyclidine assay and offers a protocol for evaluating similar drug testing methods.

Area of Science:

  • Forensic toxicology
  • Clinical chemistry
  • Analytical chemistry

Background:

  • Modified immunoassay drug tests require validation for forensic and regulated use.
  • Key validation parameters include accuracy, precision, linearity, rate separation, and sample differentiation.
  • Modification of the EMIT d.a.u. phencyclidine assay to meet federal cutoff concentrations is prevalent.

Purpose of the Study:

  • To validate a modified EMIT d.a.u. phencyclidine assay for forensic drug testing.
  • To establish a protocol for evaluating other modified immunoassays used in drug analysis.

Main Methods:

  • Validation of a modified EMIT phencyclidine assay.
  • Assessment of accuracy, precision, linearity, rate separation, and sample differentiation.

Related Experiment Videos

  • Development of a generalizable protocol for immunoassay validation.

    • Main Results:

    • The modified EMIT phencyclidine assay met all required validation criteria.
    • The proposed protocol effectively evaluated the modified immunoassay's performance.
    • Demonstrated the scientific validity of the modified assay for forensic applications.

    Conclusions:

    • The validated modified EMIT phencyclidine assay is suitable for forensic drug testing.
    • The developed protocol provides a robust framework for validating other modified immunoassays.
    • Ensuring the scientific validity of modified immunoassays is critical for reliable forensic analysis.