Shunsuke Hirotsu Coexistence of Phases and the Nature of First-Order Transition in Poly-N-isopropylacrylamide Gels, Masayuki Tokita Friction between Polymer Networks of Gels and Solvent, Masahiro Irie Stimuli-Responsive Poly(N-isopropyl- acrylamide), Photo- and Chemicals-Induced Phases Transitions Edward Cussler, Karen Wang, John Burban Hydrogels as Separation Agents, Stevin Gehrke Synthesis, Equilibrium Swelling, Kinetics Permeability and Applications of Environmentally Responsive Gels, Pedro Verdugo Polymer Gel Phase Transition in Condensation- Decondensation of Secretory Products, Etsuo Kokufuta Novel Applications for Stimulus-Sensitive Polymer Gels in the Preparation of Functional Immobilized Biocatalysts, Teruo Okano Molecular Design of Temperature-Responsive Polymers as Intelligent Materials, Atsushi Suzuki Phase Transition in Gels of Sub-Millimeter Size Induced by Interaction with Stimuli, Makoto Suzuki, O. Hirasa An Approach to Artificial Muscle by Polymer Gels due to Micro-Phase Separation.