Merck (Millipore) cooperates with customers in areas such as cell biology, protein research and biopharmaceutical production. Important products are Bioscot blood grouping diagnostics. These are monoclonal antibodies for immunohematological examinations in the AB0 system, Rh factor and other rare blood group systems. It is a high quality antiserum with the possibility of using it in classical methods (slide, tube, plate) and in column agglutination.