Composite Hydrogel Materials. Cryogels for Affinity Chromatography. Particulate/Cell Separations Using Macroporous Monolithic Matrices. Polysaccharide-Based Composite Hydrogels for Removal of Pollutants from Water. Iron Oxide Magnetic Composite Adsorbents for Heavy Metal Pollutant Removal. Biopolymers-Zeolites Composites as Biosorbents for Separation Processes. Metal-Impregnated Ion Exchanger for Selective Removal and Recovery of Trace Phosphate. Molecularly Imprinted Polymers for Water Polishing. Biopolymer-Based Sorbents for Metal Sorption. Mixed-Mode Sorbents in Solid-Phase Extraction. Interpenetrating Polymer Network Composite Hydrogels and Their Applications in Separation Processes. Toward Adaptive Self-Informed Membranes.