
Keywords: EDC; 1-ethyl-3-(3-dimethyl-aminepropyl) carbodiimide hydrochloride; NH3·H2O; aqueous ammonia; BSA; bovine serum albumin; CS; chitosan; CLSM; confocal laser scanning microscopy; C6; coumarin 6; Cys; cysteine; DMSO; dimethyl sulfoxide; DLS; dynamic light s