Part I: Overview Applications and Properties of Chitosan Q. Li, E. T. Dunn, E. W. Grandmaison and M. F. A. Goosen, Department of Chemical Engineering, Queen's University, Kingston, Ontario, Canada Applications of Chitin and Chitosan in the Ecological and Environmental Fields Shigehiro Hirano, Department of Agricultural Biochemistry and Biotechnology, Tottori University, Tottori, Japan Part II: Structure and Properties Chitin Structure and Activity of Chitin-Specific Enzymes Maria L. Bade, Ph.D., Center for Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA b-Chitin and Reactivity Characteristics Keisuke Kurita, Department of Industrial Chemistry, Seikei University, Tokyo, Japan Characterization and Solution Properties of Chitosan and Chitosan Derivatives M. Rinaudo, M. Milas and J. DesbriA res, CERMAV-CNRS, Grenoble cedex, France Soluble Precursors for Efficient Chemical Modifications Keisuke Kurita, Department of Industrial Chemistry, Seikei University, Tokyo, Japan Part III: Food and Agriculture Chitosans as Dietary Food Additives Riccardo A. A. Muzzarelli, Faculty of Medicine, University of Ancona, Ancona Italy; Massimo De Vincenzi, Department of Metabolism and Pathological Biochemistry, Istituto Superiore de Sanita, Rome, Italy Enhancing Food Production with Chitosan Seed Coating Technology Donald Freepons, Kennewick, Washington Inhibition of Molting in Chewing Insect Pests Maria L. Bade, Ph.D., Center for Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA Properties of Insect Chitin Synthase: Effects of Inhibitors, g-S-GPT and Compounds Influencing Membrane Lipids Michael Londershausen and Andreas Turberg, Institute for Parasitology, Bayer, AG, Leverkusen, Germany; Monika Ludwig, B"rbel Hirsch and Margarethe Spindler-Barth, Lehrstuhl fur Hormon- und Entwicklungsphysiologie, Heinrich-Heine University, Dusseldorf, Germany New Applications of Chitin and Its Derivatives in Plant Protection Henryk Struszczyk, Institute of Chemical Fibres, Lodz, Poland; Henryk Pospieszny, Institute of Plant Protection, Poznan, Poland Chitinolytic Enzymes in Selected Species of Veterinary Importance Michael Londershausen and Andreas Turberg, Institute for Parasitology, Bayer, AG, Leverkusen, Germany Applications of Chitin, Chitosan, and Their Derivatives to Drug Carriers for Microparticulated or Conjugated Drug Delivery Systems Hiraku Onishi, Ph.D., Tsuniji Nagai, Ph.D. and Yoshiharu Machida, Ph.D., Hoshi University, Tokyo, Japan Part IV: Medicine and Biotechnology Chitosan-Alginate Affinity Microcapsules for Isolation of Bovine Serum Albumin Mattheus F. A. Goosen, Osei-Wusu Achaw and Edward W. Grandmaison, Department of Chemical Engineering, Queen's University, Kingston, Ontario, Canada Structure and Isolation of Native Animal Chitins Maria L. Bade, Ph.D., Center for Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA Part V: Textiles and Polymers Fine Structure and Properties of Filaments Prepared from Chitin Derivatives G. W. Urbanczyk, Technical University of Lodz, Lodz, Poland Graft Copolymers Keisuke Kurita, Department of Industrial Chemistry, Seikei University, Tokyo, Japan Part VI: Wastewater Treatment Applications of Chitosan for the Elimination of Organochlorine Xenobiotics from Wastewater J. P. Thome and Ch. Jeuniaux, University of Liege, Laboratory of Animal Ecology and Ecotoxicology, Liege, Belgium; M. Weltrowski, Textile Technology Centre, Quebec, Canada