Stability of carboxy‐hemoglobin during storage at different temperatures
Today, CO rebreathing is used almost exclusively to determine hemoglobin mass and blood volume. A limiting factor is the presence…
Investigative testing of miscellaneous materials
Drug Testing and Analysis, Volume 17, Issue 3, Page 420-426, March 2025.
Identification of N‐pyrrolidino protonitazene in powders sold as heroin and associated with overdose clusters in Dublin and Cork, Ireland
N-Pyrrolidino protonitazene was found in samples sold as heroin in Dublin and Cork, Ireland, in late 2023. These were associated…
Is blood blood? Comparing quantitation of endogenous steroids and luteinizing hormone in concurrently collected venous serum and Tasso+ SST capillary serum samples
Twenty individuals donated venous and capillary serum weekly for 5-6 weeks. Agreement between capillary and venous serum for T, T/A4,…
LC–MS/MS quantification of olanzapine in hair after alkaline digestion
This graphical abstract illustrates every step of the laboratory work in this manuscript. Sample collection, segmentation, and alkaline digestion of…
The influence of cosmetic treatments in the uptake of in vitro cocaine contamination in hair
This study investigated how common cosmetic treatments (bleach, henna, gel, and dry shampoo) impact cocaine and benzoylecgonine (BE) concentrations in…
Current status of keratinized matrices in Toxicology: Comparison of hair and nails
Results of hair, fingernail, and toenail concentrations of drugs of abuse and pharmaceuticals in the literature are reviewed and differences…
A method for detecting gene doping in horse sports without DNA extraction
We developed direct droplet digital PCR (ddPCR) and nested ddPCR to detect the equine erythropoietin (EPO) transgene without DNA extraction,…
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Compounding Pharmacy/Adulterated Drug Products