This study demonstrates that concentrations of cocaine and its main metabolites in hair reliably predict an individual’s actual intensity of…

An LC-MS/MS method was validated to measure melatonin and two degradation products in dietary supplements in a broad range of…

Vamorolone, a next-gen glucocorticoid, was studied for its metabolic profile in vitro using HLMs and LC-HRMS, revealing key metabolites that inform…

The development and validation of a MEPS method for the purification of hair extract for the EtG determination and quantification…

A high-throughput assay using immunoaffinity enrichment coupled to ultra-high-performance liquid chromatography–tandem mass spectrometry for P-III-NP and other fragments of type…

Advances in capillary whole blood collection technology now afford the ability to collect microvolumetric capillary whole blood that is “needle-free”…

Waxy- or putty-like materials has emerged as a novel drug preparation for synthetic cannabinoids and other drugs in UK prisons.…

The detection of bisphosphonates is important due to the potential integrity and welfare issues associated with use of these substances.…