Profile: Sigma-Aldrich Chemie GmbH supplies various chemicals and reagents for analytical, organic & biochemical research, as well as intermediates for the chemical and pharmaceutical industry. We offer enzymes for peptide mapping, protein sequencing & carbohydrate analysis in glycobiology. Our biomolecule storage solution is used to preserve the activity of biomolecules like enzymes, antibodies, DNA, whole cells and cell membranes during the storage.