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.