
Keywords: CS; chitosan; DNA; deoxyribonucleic acid; EDAC; 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide; HA; hyaluronic acid; HASSNH2; hyaluronic acid-co-N-cystaminyl-hyaluronamide; HASH; hyaluronic acid-co-N-cysteaminyl-hyaluronamide; MW; molecular weight; RPE; re