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N-Pyrrolidino protonitazene was found in samples sold as heroin in Dublin and Cork, Ireland, in late 2023. These were associated…

This graphical abstract illustrates every step of the laboratory work in this manuscript. Sample collection, segmentation, and alkaline digestion of…

This study investigated how common cosmetic treatments (bleach, henna, gel, and dry shampoo) impact cocaine and benzoylecgonine (BE) concentrations in…

The nicotine concentration in the e-liquid of an electronic nicotine delivery system has proved to be a poor predictor of…

The pharmacokinetic properties of villocarine A have been determined in a series of in vitro and in vivo studies. Villocarine…

Drug Testing and Analysis, Volume 17, Issue 3, Page 420-426, March 2025.

Twenty individuals donated venous and capillary serum weekly for 5-6 weeks. Agreement between capillary and venous serum for T, T/A4,…

Results of hair, fingernail, and toenail concentrations of drugs of abuse and pharmaceuticals in the literature are reviewed and differences…

We developed direct droplet digital PCR (ddPCR) and nested ddPCR to detect the equine erythropoietin (EPO) transgene without DNA extraction,…