to Hydrogels.- to Hydrogels.- Stimuli-Sensitive Hydrogels.- Stimuli-Responsive Hydrogels and Their Application to Functional Materials.- Feedback Control Systems Using Environmentally and Enzymatically Sensitive Hydrogels.- Biomolecule-Responsive Hydrogels.- Stimuli-Responsive PEGylated Nanogels for Smart Nanomedicine.- Stimuli-Sensitive Microhydrogels.- Hydrogels For Drug Delivery.- In-Situ Gelling Stimuli-Sensitive PEG-Based Amphiphilic Copolymer Hydrogels.- Biodegradable Hydrogels for Controlled Drug Release.- Thermo-Responsive Biodegradable Hydrogels from Stereocomplexed Poly(lactide)s.- Hydrogels-Based Drug Delivery System with Molecular Imaging.- Hydrogels for Tissue Engineering.- Hydrogels for Tissue Engineering Applications.- Composite Hydrogels for Scaffold Design, Tissue Engineering, and Prostheses.- Hydrogels for Cartilage Tissue Engineering.- Gelatin-Based Hydrogels for Controlled Cell Assembly.- Double Network Hydrogels as Tough, Durable Tissue Substitutes.- Hydrogels Contact Lenses.- Hydrogels With Unique Properties.- Electroconductive Hydrogels.- Self-assembled Nanogel Engineering.- Engineered High Swelling Hydrogels.- Superabsorbent Hydrogels.