Contents (Volume 15A). List of Contributors. Preface (K. Mosbach). Introduction. I Enzyme Technology. Enzymology- An Introduction (M. Mansson). Tailoring the Microenvironment of Enzymes in Water-Poor Media (B. Mattiasson, P. Adlercreutz, E. Wehtje, and M. Otamiri). Modification of Enzymes and Proteins with Bioimprinting Procedures (M. Mansson). A new kind of Abzymes Anti-Idiotypic Antibodies Exhibiting Catalytic Activities (A. Friboulet, C. Bedel-Cloutour, and D. Thomas). Modulation of the Catalytic Pathway of Carboxypeptidase a by Conjugation with Polyvinylalcohols (B. Solomon and L. Goldstein). Neural Networks in Enzymology (Y. Zhu, S. Linko, and P. Linko). Modern Enzymology of Plant Peroxidases (I.G. Gazaryan and A.M. Egorov). Capacity of the Yeast Trigonopsis Variabilis (DSM 70714) for the Enantioselective Reduction of Organosilicon Compounds (L. Fischer). Two-Step Sulfate-Enhanced Refolding: Recombinant Pneumocystis carinii Dihydrofolate Reductase (M. Goldberg, L.A. Greenstein, A. Levanon, and M.M. Werber). Marine Biotechnology based on Marine Microorgaisms (K. Sode, J.G. Burgess, and T. Matsunaga). Enzyme Engineering- Then and Now (P.W. Sundaram). Reflections on the History and Scientific Character of Biochemical Engineering (K. Buchholz). Part II Immobilized Catalysts. Immobilized Biocatalysts: an Introduction (S. Bimbaum). Biotransformations using Immobilized Biocatalysts-Past, Present, and Future (M.D. Lilly). Industrial Applications of Immobilized Biocatalysts and Biomaterials (I. Chibata). Preparation of Immobilized Proteins Covalently Coupled throught Silane Coupling Agents to Inorganic Supports (H.H. Weetall). Long-Term Stability of Continuously Perfused Animal Cells Immobilized on Novel Macroporous Microcarriers (H. Katinger, A. Assadian, G. Bluml, N. Borth, A. Buchacher, O. Doblhoff, T. Gaida, M. Reiter, C. Schmatz, K. Strutzenberger, W. Steinfellner, F. Unterluggauer, and N. Zach). Effects of Immobilization on the Catalytic Properties and Stabilities of Enzymes a Survey (B. Szajani, L. Boross, M. Abraham, and L.M. Simon). Characteristics of Laccase Immobilized on Different Supports for Wine-Making Technology (A. Lante, A. Crapisi, G. Pasini, A. Zamorani, and P. Spettoli). Lignin Peroxidase Production with an Immobilized Fungus Bioreactor (S. Linko and R. Haapala). Chelate Mediated Immobilization of Proteins (D. Kirstein). III Enzymatic Aspects of Cellular Metabolism. Enzymatic Aspects of Cellular Metabolism: an Introduction (L. Bulow). Are Substrates Channeled in the Krebs Citric Acid Cycle? (P.A. Srere, R.D. Brodeur, C.R. Malloy, A.D. Sherry, and B. Sumegi). Interaction between Chloroplast Phosphoglycerate Kinase and Glyceraldehyde-3-Phosphate Dehydrogenase (L.E. Anderson, X. Tang, G. Johansson, X. Wang, I.A. Marques, and J. Macioszek). Metabolic Control Analysis In Situ: Problems and Paradigms (G.R. Welch). Metabolic Engineering (J.E. Bailey). 'Togetherness'Between Proteins Generated by Gene Fusion (L. Bulow, H. Carlsson, P. Ljungcrantz, M. Persson, and C. Lindbladh). The Escherichia Coli Chaperone DnaK: Properties and Potentials (S. Enfors, K. Gustavsson, S. Yang, and A. Veide). Elicitation of Cultivated Plant Cells as a Tool in Biotechnology and Basic Biochemistry (P.E. Brodelius). Inhibition of Plant Growth by the Tetrapeptide Des-Arg Enterostatin VPDP (C. Erlanson-Albertsson and P. Albertsson).