Immobilized functional biomolecules, particularly enzymes, are important tools in biotechnology, biochemistry, biochemical engineering, biomedicine and biosensor research. This book provides an introduction and overview of selected major areas of the science and technology of immobilized systems. The chapters are intended as an introduction and overview to these interdisciplinary areas, as well as a source of practical details and of new research trends. This book will be useful for scientists, technologists, academics and students in direct and related fields.