ABSTRACT

Carbodiimide-N-Hydroxysuccinimide (EDC-NHS) ...........56 2.5 Physical Properties of Cryogels and Factors Affecting These Properties ...... 56

2.5.1 Freezing Rate and Temperature .......................................................... 57 2.5.2 Effect of Porogen and Solvent ............................................................ 57 2.5.3 Effect of Monomer and Initiator Concentrations ............................... 58

2.6 Characterization of Cryogels .......................................................................... 59 2.6.1 Morphological and Textural Features ................................................. 59 2.6.2 Mechanical and Thermal Properties ..................................................69