Further Investigation Into an Environmental Source for Aminorex
The results provide evidence that resedine is an intermediary compound between barbarin and aminorex in horses and that resedine can…
An Improved GC–MS/MS Method for a Fast Multidrug Analysis in Hair
This study introduces a hair drug testing method using semi-automated sample preparation and GC–MS/MS for efficient multidrug analysis, detecting amphetamine,…
Studies on the Stability and Microbial Biotransformation of Five Deschloroketamine Derivatives as Prerequisite for Wastewater‐Based Epidemiology Screening
Microbial biotransformation and stability of deschloroketamine derivatives and their metabolites in WW by incubating parent compounds, rat urine, or rat…
Metabolism of Six Novel Nitazenes in Human Liver Microsomes Based on Ultra‐High‐Performance Liquid Chromatography Coupled With High‐Resolution Mass Spectrometry
Human liver microsomes and UPLC-HR-MS/MS were used to characterize the phase I metabolic patterns of six nitazenes. Two to eleven…
Detection of Over 110 Anabolic–Androgenic Steroids, Corticosteroids and/or Their Esters in Horse Hair Using Ultra‐High‐Performance Liquid Chromatography–High‐Resolution Mass Spectrometry and Gas Chromatography–Tandem Mass Spectrometry After So
This paper describes the detection of anabolic–androgenic steroids (AAS) and/or their esters, as well as corticosteroids, in horse hair using…
Study on Internal Standards Applicable to the Detection of Recombinant Erythropoietin
To monitor the accuracy of recombinant EPO detection via reverse immunopurication coupled with western blotting and avoid “false” positive results,…
Analytical and Pharmacological Characterization of 1‐(Furan‐2‐Carbonyl)‐LSD (1F‐LSD) and Comparison With 1‐(Thiophene‐2‐Carbonyl)‐LSD (1T‐LSD)
The novel lysergamide 1-(furan-2-carbonyl)-LSD (1F-LSD) was analytically characterized. 1F-LSD showed LSD-like activity in vivo similar to 1-(thiophene-2-carbonyl)-LSD (1T-LSD) used for comparison.…
Influence of External Factors on Recovery and Persistence Parameters of Chemical Weapons–Related Alcohols and Thiols in Concrete Samples
This study investigates the recovery and persistence of alcohols and thiols, degradation products of chemical warfare agents, from concrete. Key…
Doping Control Analysis of Total Carbon Dioxide (TCO2) in Equine Plasma by Headspace Gas Chromatography–Mass Spectrometry (HS‐GC/MS)
This paper describes the results of cross-validation studies on TCO2 measurement conducted in November 2019 and December 2022 using horse…
Trends in the Detection of Erythropoietin Receptor Agonists (ERAs) in Anti‐Doping: An Analysis of Recent Adverse Analytical Findings (AAFs)
Trends in adverse analytical findings (AAFs) for erythropoietin Receptor Agonist (ERAs) we examined to assess the impact of ERA testing…