Taiwan’s drone sector makes a strong debut at XPONENTIAL Europe 2025
A delegation of 25 Taiwanese companies, under the banner of “Team Taiwan,” is showcasing the island’s drone technology at XPONENTIAL…
Advances in SARMs anti‐doping analysis
The current development in liquid chromatography–tandem mass spectrometry methods provides an efficient solution for analysing traditional (urine, serum, plasma), as…
Development of 3β,4α‐dihydroxy‐5α‐androstan‐17‐one standard solution for doping analyses
In this work, a certified reference material (CRM) for 3β,4α-dihydroxy-5α-androstan-17-one (DHAS), a metabolite of formestane that is used to conceal…
Development of a method to evaluate the effects of external environments on drug stability in nails using micro‐segmental analysis
An evaluation method using micro-segmental analysis (MSA) of a single nail was developed to examine the effects of external environments…
Trends in exposure to drugs and prohibited substances among sports: A nationwide analysis of 2008–2022 inquiry records
The study collected over 30,000 data points from three major national anti-doping inquiry systems spanning from 2008 to 2022. Approximately…
Is there a relationship between abuse of alcohol and illicit drugs seen in hair results?
Abstract Combined use of alcohol and illicit drugs is a serious health and social problem. In this study, it was…
Metabolism of highly potent synthetic opioid nitazene analogs: N‐ethyl‐N‐(1‐glucuronyloxyethyl) metabolite formation and degradation to N‐desethyl metabolites during enzymatic hydrolysis
This study revealed that nitazene analogs were mainly metabolized by N-1-hydroxylation followed by glucuronidation, N-deethylation, O-dealkylation followed by glucuronidation, and…
Individual identification method using samples associated with doping tests: A comparison of mitochondrial and nuclear genetic data
DNA analysis is used to detect attempts at manipulating or substituting samples during doping control. To determine a suitable method,…
Methylation of phase II metabolites of endogenous anabolic androgenic steroids to improve analytical performance
Intact phase II metabolites of endogenous anabolic androgenic steroids give important information about metabolism and have the potential to improve…