The Helmholtz Zentrum München and the University of Rostock (Chair for Analytical Chemistry) jointly conduct research in the independent Comprehensive Molecular Analytics (CMA) Cooperation Group. The research focuses on the development and application of mass spectrometry-based analysis techniques in order to characterize complex molecular substance mixtures. New measurement technologies are developed and molecular profiles are created in the Joint Mass Spectrometry Centre (JMSC), particularly with a view to the analysis of aerosols and their effects on health.