1 Development of an ultrafast high throughput MALDI-triple quadrupole mass spectrometric method for the determination of 3,4-methylenedioxymethamphetamine (MDMA) in oral fluid Michael Poetzsch 1 , Andrea E. Steuer 1 , Cedric M. Hysek 2 , Matthias E. Liechti 2 , Thomas Kraemer 1 * 1 Department of Forensic Pharmacology and Toxicology, ZIFM - Zurich Institute of Forensic Medicine, University of Zurich, Zurich (Switzerland) 2 Departement of Biomedicine, Division of Clinical Pharmacology and Toxicology, University Hospital Basel, University of Basel, Basel (Switzerland) *Corresponding author: Prof. Dr. Thomas Kraemer University of Zurich ZIFM – Zurich Institute of Forensic Medicine Department of Forensic Pharmacology & Toxicology Winterthurerstrasse 190/52 CH-8057 Zurich Switzerland Tel.: 0041 446355641; Fax: 0041 446356852 E-mail address: thomas.kraemer@irm.uzh.ch (T. Kraemer) Keywords: Oral fluid, MDMA, Ecstasy, MALDI, high throughput This is the peer reviewed version of the following article: Poetzsch, M., Steuer, A. E., Hysek, C. M., Liechti, M. E., and Kraemer, T. (2016) Development of a high-speed MALDI-triple quadrupole mass spectrometric method for the determination of 3,4-methylenedioxymethamphetamine (MDMA) in oral fluid. Drug Test. Analysis, 8: 235–240, which has been published in final form at dx.doi.org/10.1002/ dta.1810. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.