Chemical preparations, namely buffer, lyophilisates, dispersion solutions, emulsions, suspensions, liposomes, additives, polypeptides for scientific purposes; chemical preparations for the investigation and characterization of diseases, namely, of cardiovascular diseases, inflammations, autoimmune diseases, rheumatoid arthritis, psoriasis, gastro-intestinal diseases, Crohn's diseases, ulcerativ colitis, diabetes, nephropathy, retinopathy, vasculopathy, vasculitis, transplant rejections, graft...