Analytical chemistry‐based research in sports drug testing has been a dynamic endeavor for
several decades, with technology‐driven innovations continuously contributing to significant …

For decades, the class of anabolic androgenic steroids has represented the most frequently
detected doping agents in athletes' urine samples. Roughly 50% of all adverse analytical …

The present tutorial aims to review the most frequently reported criteria for the calculation of
the limits of detection (LOD) and quantification (LOQ) in univariate calibration, summarizing …

Anti-doping rule violations related to the abuse of endogenous anabolic androgenic steroids
can be currently discovered by the urinary steroidal module of Athlete Biological Passport …

The use of anabolic androgenic steroids (AAS) and other performance enhancing
substances can change over time, so there is a need to constantly update what substances …

A possibility of application of solid-phase analytical derivatization (SPAD) for the
quantification of seven steroid hormones (testosterone, dihydrotestosterone, cortisone …

For decades, anabolic androgenic agents have represented the substance class most
frequently observed in doping control samples. They comprise synthetic and …

In the context of steroid analyses, the use of blood could represent a valuable complement
to urine. While the blood steroid profile is currently being established to aid unveiling …

Magnetic polyimide (PI) nanosheet strings were prepared by wrapping PI nanosheets
around the γ-Fe 2 O 3 nanowires. The γ-Fe 2 O 3/PIs composite was successfully used for …

Rationale Although the metabolism of methyltestosterone (MT) has been extensively studied
since the 1950s using different techniques, the aim of this study was to investigate the …