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Welcome to the Proteomics Unit Biology


As a Shared Facility of the Faculty of Biology, we are an acknowledged research infrastructure of the University of Freiburg. We provide structured access to advanced mass spectrometry-based proteomics for users of the Faculty of Biology and the Centre of Integrative Biological Signaling Studies (CIBSS). We also welcome requests by members of other Faculties of the University of Freiburg and external customers.

We currently offer only selected standard proteomics applications as service, including:

  • Protein identification by tryptic digestion of excised gel slices
  • Identification of changes in proteome abundance by label-free quantitative proteome analysis with in solution digest (S-Trap or SP3 protocols)
  • Identification of protein-protein interactions by label-free analysis of co-immunoprecipitated samples or similar affinity-enrichment experiments
  • Measurement of desalted peptides that are prepared according to previously agreed protocols for user-driven analysis.
  • A large range of more advanced methods can be made available on a collaborative basis.



If you are interested, please contact us to discuss your needs, suitable protocols and costs.

Contact: proteomics@bio.uni-freiburg.de

All users confirm that they adhere to our terms of use (Nutzungsordnung).

Ready to submit your sample? Please remember to send us the data sheet before you bring your sample!



Prof. Dr. Pitter Huesgen

Scientific head of the Proteomics Unit Biology Email:    pitter.huesgen(at)biologie.uni-freiburg.de
Phone:  +49 761 203 2690

Dr. Friedel Drepper

Scientist Email:    f.drepper(at)biologie.uni-freiburg.de
Phone:  +49 761 203 2691

Technical contact: Dipl. Ing. Bettina Knapp

Engineer Email:    bettina.knapp(at)biologie.uni-freiburg.de
Phone:  +49 761 203 2681

Current Instrumentation

  • Orbitrap Q-Exactive mass spectrometer coupled to Ultimate 3000 RSLCnano
  • Orbitrap Elite mass spectrometer coupled to Ultimate 3000 RSLCnano


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