dried urine spots

June 4, 2025

Replacing Soybean Meal with Hemp Leaves with Very Low THC Content in the Diet for Dairy Cows: Impact on Digestibility, Nitrogen Use Efficiency and Energy Metabolism

Abstract We studied the suitability of industrial hemp leaves with very low tetrahydrocannabinol content as an alternative protein source for…

September 19, 2024

Enhancement and validation of a quantitative GC–MS method for the detection of ∆9-THC and THC—COOH in postmortem blood and urine samples

Abstract Cannabis is frequently detected in forensic investigations and is associated with an increased risk of fatal car crashes. This…

April 9, 2024

Determination of Δ9-tetrahydrocannabinol, 11-nor-carboxy-Δ9-tetrahydrocannabinol and cannabidiol in human plasma and urine after a commercial cannabidiol oil product intake

Abstract Purpose: Cannabidiol (CBD) products are widely used for pain relief, sleep improvement, management of seizures etc. Although the concentrations…

September 2, 2021

Analysis of Cannabinoids and Metabolites in Dried Urine Spots (DUS)

Abstract Dried urine spots (DUS) represent a potential alternative sample storage for forensic toxicological analysis. The aim of the current…