Publications by authors named "Ed Hayes"

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Cannabidiol metabolites identified by LC-QTOF after controlled dosing.
Svante Vikingsson, Ruth E Winecker, Katherine Bollinger, Lawrance D Mullen, Tory R Spindle, Eugene D Hayes

J Anal Toxicol· November 2025

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The Acute and Chronic Pharmacokinetic Oral Fluid Profile of Oral Cannabidiol (CBD) With and Without Low Doses of Delta-9-Tetrahydrocannabinol (Δ9-THC) in Healthy Human Volunteers.
Svante Vikingsson, C Austin Zamarripa, Tory R Spindle, McKenna Klausner, David Wolinsky, Eugene D Hayes

J Anal Toxicol· November 2025

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Prevalence and Concentration of Fentanyl in Hair Collected for Court-Ordered Mandatory Drug Testing.
Megan Grabenauer, Nichole D Bynum, Lauren E Johann, Katherine Bollinger, Lisa S Davis, Eugene D Hayes

J Anal Toxicol· July 2025

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The Acute and Chronic Pharmacokinetics and Pharmacodynamics of Oral Cannabidiol (CBD) With and Without Low Doses of Delta-9-Tetrahydrocannabinol (Δ9-THC).
David Wolinsky, C Austin Zamarripa, Tory R Spindle, McKenna Klausner, Edward J Cone, Eugene D Hayes

J Anal Toxicol· July 2025

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Systematic web monitoring of drug test subversion strategies in the United States.
Megan Grabenauer, Svante Vikingsson, Richard A Olson, Faith E Lyons, Lisa S Davis, Eugene D Hayes

Drug Test Anal· January 2025

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Δ9-Tetrahydrocannabinol and 11-hydroxy-Δ9-tetrahydrocannabinol as markers of cannabis use in urinary drug testing.
Svante Vikingsson, Ruth E Winecker, Edward J Cone, David J Kuntz, Eugene D Hayes

J Anal Toxicol· November 2024

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Fentanyl as a marker of illicit drug use in morphine-positive urine specimens from workplace drug testing.
Svante Vikingsson, Ruth E Winecker, David J Kuntz, Michael Clark, Martin Jacques, Eugene D Hayes

J Anal Toxicol· March 2024

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Prevalence of ∆8-tetrahydrocannabinol carboxylic acid in workplace drug testing.
Svante Vikingsson, E Dale Hart, Ruth E Winecker, Edward J Cone, David J Kuntz, Eugene D Hayes

J Anal Toxicol· November 2023

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Dog behaviour influenced by more than genetics.
Mike Webb, Becky Thwaites, Elizabeth Mullineaux, Claire Calder, Vanessa Waddon, Ed Hayes

Vet Rec· November 2023

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Conversion of water-soluble CBD to ∆9-THC in synthetic gastric fluid-An unlikely cause of positive drug tests.
E Dale Hart, Lawrance Mullen, Svante Vikingsson, Edward J Cone, Ruth E Winecker, Eugene D Hayes

J Anal Toxicol· September 2023

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Performance of Hair  Testing for Cocaine Use-Comparison of Five Laboratories Using Blind Reference Specimens.
E Dale Hart, Svante Vikingsson, Ruth E Winecker, Amy L Evans, Edward J Cone, Eugene D Hayes

J Anal Toxicol· March 2023

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Prevalence of Cannabidiol, ∆9- and ∆8-Tetrahydrocannabinol and Metabolites in Workplace Drug Testing Urine Specimens.
Svante Vikingsson, Ruth E Winecker, Edward J Cone, David J Kuntz, Brian Dorsey, Eugene D Hayes

J Anal Toxicol· October 2022

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Update on Urine Adulterants and Synthetic Urine Samples to Subvert Urine Drug Testing.
Svante Vikingsson, Shannon T Krauss, Ruth E Winecker, Ronald R Flegel, Eugene D Hayes

J Anal Toxicol· August 2022

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Conversion of 7-Carboxy-Cannabidiol (7-COOH-CBD) to 11-Nor-9-Carboxy-Tetrahydrocannabinol (THC-COOH) during Sample Preparation for GC-MS Analysis.
E Dale Hart, Svante Vikingsson, John M Mitchell, Ruth E Winecker, Ronald Flegel, Eugene D Hayes

J Anal Toxicol· May 2022

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Development of a Quantitative LC-MS-MS Assay for Codeine, Morphine, 6-Acetylmorphine, Hydrocodone, Hydromorphone, Oxycodone and Oxymorphone in Neat Oral Fluid.
Megan Grabenauer, Katherine N Moore, Nichole D Bynum, Robert M White, John M Mitchell, Eugene D Hayes

J Anal Toxicol· July 2018

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Pharmacokinetic Characterization of 11-nor-9-carboxy-Δ9-tetrahydrocannabinol in Urine Following Acute Oral Cannabis Ingestion in Healthy Adults.
Nicolas J Schlienz, Edward J Cone, Evan S Herrmann, Natalie A Lembeck, John M Mitchell, Eugene D Hayes

J Anal Toxicol· May 2018

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Detection and quantification of codeine-6-glucuronide, hydromorphone-3-glucuronide, oxymorphone-3-glucuronide, morphine 3-glucuronide and morphine-6-glucuronide in human hair from opioid users by LC-MS-MS.
Megan Grabenauer, Nichole D Bynum, Katherine N Moore, Robert M White, John M Mitchell, Eugene D Hayes

J Anal Toxicol· March 2018

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Assessment of the stability of DNA in specimens collected under conditions for drug testing-A pilot study.
Robert M White, John M Mitchell, E Dale Hart, Amy Evans, Meredith Meaders, Eugene D Hayes

Forensic Sci Int· February 2018

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Protein Surface Mimetics: Understanding How Ruthenium Tris(Bipyridines) Interact with Proteins.
Sarah H Hewitt, Maria H Filby, Ed Hayes, Lars T Kuhn, Arnout P Kalverda

Chembiochem· January 2017

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Towards a structural basis for the relationship between blood group and the severity of El Tor cholera.
Pintu K Mandal, Thomas R Branson, Edward D Hayes, James F Ross, Jose A Gavín

Angew Chem Int Ed Engl· May 2012

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The influence of ligand valency on aggregation mechanisms for inhibiting bacterial toxins.
Cristina Sisu, Andrew J Baron, Hilbert M Branderhorst, Simon D Connell, Carel A G M Weijers, Edward D Hayes

Chembiochem· January 2009

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