Posters & Presentations

Consolidating LC-MS/MS Method Conditions for the Analysis of Alcohol Metabolites, Barbiturates, and Drugs of Abuse

22 Jan 2026

Efficiency is key in toxicology laboratories where multiple drug panels must be run daily. Consolidating multiple drug panels into large, multi-class drug assays can streamline the analytical testing process and reduce operating costs. To simplify the analysis of alcohol metabolites, barbiturates, THC metabolites, and drugs of abuse, three different LC-MS/MS methods were developed for each analyte class using the same analytical column and mobile phases.

A panel of 100 drugs of abuse, novel psychoactive substances, therapeutic drugs and metabolites, a panel of biomarkers of alcohol consumption, and a panel of barbiturates and cannabinoid metabolites were all analyzed using the same analytical column and mobile phase set up.

This work highlights the ability of one LC-MS/MS setup to analyze multiple toxicology panels. This allows for laboratories to simplify testing procedures, save time, and reduce operating costs.

Authors

  • Paul Connolly
  • Jamie York, PhD

    Jamie York is a scientist in the Applications Lab at Restek Corporation in the LC Solutions department, where she works on the development of novel applications for the food, clinical, and cannabis markets. She earned her PhD in chemistry from The University of Texas at Arlington in 2019. There, she mastered many analytical techniques including gas chromatography–vacuum ultraviolet; gas chromatography–mass spectrometry; matrix-assisted laser desorption/ionization; and liquid chromatography–mass spectrometry with a focus on food and environmental research. Jamie continued her post-doctoral work at The University of Texas at Arlington with a focus on the analysis of mammalian cell culture media by LC-MS/MS.

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  • Haley Berkland, MS

    Haley is an LC applications scientist at Restek. She attended Duquesne University, receiving her bachelor's degree in biochemistry and a master's degree in forensic science and law. As a graduate student, she performed research on the detection of drugs of abuse in vitreous humor by LC-MS/MS. Before joining Restek in 2023, Haley spent four years working as a forensic toxicologist. While in this role, she performed analysis of postmortem toxicology casework, identification of seized drug evidence, and development/validation of new assays by LC-MS/MS, GC-MS, and GC-FID.

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  • Justin Steimling
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