The present invention relates to a purified, easily produced poly--14-N-acetylglucosamine (p-GlcNAc) polysaccharide species. The p-GlcNAc of the invention is a polymer of high molecular weight whose constituent monosaccharide sugars are attached in a -14 conformation, and which is free of proteins, and...http://www.google.ca/patents/US6649599?utm_source=gb-gplus-sharePatent US6649599 - Methods and compositions for poly-
