The scope of tasks of this unit includes the development of specific assays for the validation of biomarkers as well as the development and adaptation of assays. A multitude of different spotting and dispensing technologies can be specifically employed to immobilise biomolecules on diverse surfaces such as microtiter plates and object slides or membranes. The application of samples can be determined and optimised with technologies such as contact angle measurement and ellipsometry. Kinetic analysis or thermodynamic measurements can be carried out for interactions of all types. All technologies are continuously being developed further for (customer-) specific applications. Among others, applications are system-biological projects, the kinetic analysis of antibodies, and the development of point-of-care applications, for example for drug and serum screening.