Details the latest advances in bioanalytical applications using enzymes--techniques that are becoming increasingly important in analysis, synthesis, manufacturing and medical diagnosis. Consists of seven articles which cover: enzyme labeled antibodies in bioassays, DNA restriction enzymes and RFLPs in medicine, enzyme-labeled probes for nucleic acid hybridization, unique methodologies of immobilized proteins in bioanalytical systems, dry reagent chemistry fundamentals, the theory and applications of enzyme electrode biosenors, and advances in enzymatically coupled field effect transistors.