Objective N-octyl-N '- (2-carboxycyclohexanecarbonyl) -chitosan derivative (OCCC) was successfully synthesized. The analysis of the chitosan by infrared spectroscopy, nuclear magnetic resonance spectroscopy and like used to verify whether synthesis successful. To construct characterize nanoparticles with bovine serum albumin as model drug. transmission electron microscopy (TEM), encapsulation e...