BioMS is the national infrastructure for biological mass spectrometry (MS). BioMS offers access to qualified projects in proteogenomics, targeted protein quantitation, glycoproteomics, hydrogen-deuterium exchange MS, glycomics, lipidomics, and chemical proteomics. Detailed information and the project application forms can be found at www.bioms.se. BioMS is hosted by Lund University with support from the Swedish Research Council (Vetenskapsrådet) with co-financing by Gothenburg and Lund Universities, Karolinska Institutet, and Chalmers Institute of Technology.