The use of performance-enhancing substances in sports undermines values and risks athletes’ health. This study analyzes doping literature, identifying influential…

A simultaneous analysis methodology for 28 steroid esters (13 testosterone, nine nandrolone, and six boldenone esters) was developed using three…

This paper describes the detection of endogenous dienedione in entire male horses and investigates the possible conjugation of dienedione by…

Accurate and convenient analysis of the intact phase II oxo-metabolites of nandrolone under the provisions of WADA’s TD2023IDCR was accomplished…

This paper describes the detection of endogenous dienedione in entire male horses and investigates the possible conjugation of dienedione by…

A simultaneous analysis methodology for 28 steroid esters (13 testosterone, nine nandrolone, and six boldenone esters) was developed using three…

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A rapid method was developed involving a single 25 mg hair extraction procedure and fourLC-MS/MS methods using the same chromatographic…

Wastewater-based epidemiology was applied in northeastern Brazil during a dance festival, revealing that cocaine consumption doubled during the event days.…