In the area of forensic toxicology, the effect of drugs such as Cannabis on the psychomotor skills of humans is a question faced by many testifying analysts. In order to offer an interpretation, analysts rely not only on their own findings, but on data obtained and published from sources of the highest integrity. The toxicology laboratories at NIDA (The National Institute on Drug Abuse) are acclaimed as one of the worlds centers of excellence when it comes to the study of THC and its metabolites and human performance. At NIDA, Baltimore, Maryland, USA, analysts employed UCT Inc. Solid Phase Extraction (SPE) columns for extracting THC and the related metabolites (THC-OH, and THC-COOH) from plasma samples.
This was demonstrated in a recently published report "Tolerance to Effects of High-Dose Oral D9-Tetrahydrocannabinol and Plasma Cannabinoid Concentrations in Male Daily Cannabis Smokers" in Journal of Analytical Toxicology by David A.Gorelick et al (from the team of Dr. Marilyn Huestis). This group used UCTs ZSTHC020 SPE column to study the plasma concentrations of these compounds after high dose ingestions. The Clean Screen THC sorbent has also been employed by many forensic toxicology laboratories around the globe when clean extractions, high recoveries and high reproducibility are desired.
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