Sys Stybe Johansen

Suggest Changes
Learn More
A broad forensic screening method for 256 analytes in whole blood based on a fully automated SPE robotic extraction and ultra-high-performance liquid chromatography (UHPLC) with TOF-MS with(More)
A liquid chromatography mass spectrometric (LC/MS/MS) method has been developed for the determination of LSD, iso-LSD and the metabolite 2-oxo-3-hydroxy-LSD in forensic applications. The procedure(More)
CONTEXT Both hallucinogens and 3,4-methylenedioxymethamphetamine (MDMA or "ecstasy") have direct agonistic effects on postsynaptic serotonin(2A) receptors, the key site for hallucinogenic actions. In(More)
We investigated toxicological and pharmacogenetic factors that could influence methadone toxicity using postmortem samples. R- and S-methadone were measured in femoral blood from 90 postmortem cases,(More)