ibt - immunological and biochemical testsystems GmbH is a company dedicated to supply the scientific community with reagents and assays. Our reagents are recombinant proteins (viral and bacterial antigens, cytokines and chemokines, growth factors, hormones, transcription factors, tumor markers, enzymes and others) and polyclonal and monoclonal antibodies. Our main interest is in insulin-like growth factors (IGF´s) and insulin-like growth factor binding proteins (IGFBP´s) and related molecules. Our research ist dedicated to the development of assay systems for the detection of functional proteins based on ligand technologies. Our latest research project is on tissue regeneration.