Patent ID: 7759088
Filing Date: 2010-07-20
Classification: C12P

Abstract:
1. A method for the production of a biodegradable, water absorbable γ-polyglutamic acid (γ-PGA) hydrogel comprising directly cross-linking (A) a γ-polyglutamate and optionally a polysaccharide containing a carboxylic acid group, and/or carboxylate group, an amino acid, or a mixture thereof; or (B) a microbial culture broth containing a γ-polyglutamate and optionally a polysaccharide containing a carboxylic acid group and/or carboxylate group, an amino acid, or a mixture thereof; and a cross-linker comprising a polyglycidyl ether having three or more functional groups, wherein the functional groups thereon can react with a carboxylic group (—COOH), carboxylate group (—COO