Publications by authors named "David Barajas"

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ortho/meta/para-Methylacetylfentanyl-Induced Unique Interferences in Fentanyl Urine Drug Testing with Immunoassay and LC-MS/MS.
David A Barajas, Heather C Noda Carter, Michael R Tomedi, Gregory D Reynolds, Hieu T Dinh

J Appl Lab Med· November 2025

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An In-depth Study on Z/E-Methoxime Isomers in Gas Chromatography-Quadrupole Mass Spectrometry Analysis of C6-keto-opioids in Human Urine as Their Methoxime- and Acyl-Derivatives.
Kailyn M Shoffler, David A Barajas, Michael R Tomedi, Christopher L Hall, Gregory D Reynolds

J Anal Toxicol· October 2025

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The detection of NBOMe designer drugs on blotter paper by high resolution time-of-flight mass spectrometry (TOFMS) with and without chromatography.
Sabra Botch-Jones, Jamie Foss, David Barajas, Frank Kero, Craig Young

Forensic Sci Int· October 2016

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