LC/MS Based Monitoring of Endogenous Decay Markers for Quality Assessment of Serum Specimens

Jorg Oliver Thumfart^1#, Nada Abidi^3#, Sonani Mindt¹, Victor Costina¹, Ralf Hofheinz², Frank Klawonn^3,4, Michael Neumaier¹ and Peter Findeisen^1*

¹Institute for Clinical Chemistry, Medical Faculty Mannheim of the University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany

²III. Medical Clinic, Medical Faculty Mannheim of the University of Heidelberg, Theodor-Kutzer-Ufer 1-3, D-68167 Mannheim, Germany

³Department of Computer Science, Ostfalia University of Applied Sciences, Saldahlumer Str.46/48, D-38302 Wolfenbuettel, Germany

⁴Biostatistics, Helmholtz Centre for Infection Research, Inhoffenstraße 7, D-38124 Braunschweig, Germany

^#Contributed equally to this work

^*Corresponding Author: Peter Findeisen, MD, Institute for Clinical Chemistry, Medical Faculty Mannheim of the University of Heidelberg, Theodor-Kutzer-Ufer 1, 68167 Mannheim, Germany, Tel: +49-621 383 3483, Fax: +49-621 383 3819