Automated Determination of Cannabinoids in Hair by
SPE-GC-EI-MS/MS with Focus on THC-COOH and THC-OH
by Oliver Lerch (GERSTEL GmbH & Co. KG, Muelheim, Germany) and Tobias Kieliba (Institute of Legal Medicine, Medical Faculty, University of Cologne, Cologne, Germany)
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Oliver Lerch, is a scientist in the Analytical Services department at GERSTEL GmbH & Co. KG, Germany. He develops strategic applications especially for the forensic, pharma and environmental market including its oral and written presentation. Oliver has more than 15 years of experience in chromatographic and mass spectrometric techniques with a focus on automation of complex sample preparation workflows.
Tobias Kieliba works as Chief Engineer at the Institute of Legal Medicine in Cologne, Germany, where he is responsible for routine analysis procedures and instrumentation in the forensic toxicology laboratories. His focus is on analytical method development, as well as validation, with an emphasis on optimization and automation.