History and Trends in Bioprocessing and Biotransformation History of Modern Genetics in Germany Biosynthesis of Triterpenoid Saponins in Plants Three Phase Oxygen Absorption and its Effect on Fermentation Microbial Sensors on a Respiratory Basis for Wastewater Monitoring Reverse Micellar Extraction for Downstream Processing of Proteins Enzymes Enzyme Catalysis in Reverse Micelles Perspectives in Liquid Membrane Extraction of Cephalosporin Antibiotics.