Simultaneous quantitation and identification of intact Nandrolone phase II oxo‐metabolites based on derivatization and inject LC–MS/(HRMS) methodology

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

Single hair analysis for gamma‐hydroxybutyric acid—Method optimization, validation, and application

The development and validation of a method for micro-segmental single hair analysis for GHB is presented. The method was additionally…

Endogenous nature of estra‐4,9‐diene‐3,17‐dione in entire male horses

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

Wastewater surveillance to assess cocaine and methylenedioxymethamphetamine use trends during a major music festival in Brazil

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

Simultaneous detection of testosterone, nandrolone, and boldenone esters in dried blood spots for doping control in sports by liquid chromatography–tandem mass spectrometry

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

A New Oxygen Carrier for Therapeutic Applications

The different applications of M101, a giant hemoglobin extracted from Arenicola marina. ABSTRACT The natural extracellular hemoglobin of the lugworm…

The Impact of Triptorelin on Hormone Levels in Human and Its Metabolite Confirmation Using Liquid Chromatography–Ion Trap/Time‐of‐Flight Mass Spectrometry (LC/MS‐IT‐TOF) and Liquid Chromatography–Orbitrap (LC‐Orbitrap) for Doping Control Ana

Triptorelin (5–10) confirmation using LC/MS-IT-TOF and LC-Orbitrap can be used as evidence of triptorelin abuse in doping control. ABSTRACT Triptorelin,…

Gene Doping Detection From the Perspective of 3D Genome

ABSTRACT Since the early 20th century, the concept of doping was first introduced. To achieve better athletic performance, chemical substances…

Annual Banned‐Substance Review 17th Edition—Analytical Approaches in Human Sports Drug Testing 2023/2024

Scenarios of drug exposure and administration as well as detection assays for drugs and methods of sports doping published between…

Evaluation of ATR–FTIR, HPLC–DAD, GC–MS, and GC–IR for the Analysis of 145 Street Drug Samples From Drug Checking Services

This work addresses the detection powers of GC–IR, GC–MS, HPLC–DAD, and ATR–FTIR for the correct annotation of drugs of abuse,…