Fig. 6

(a) FTIR results for Cs film (blank), CS/CD 10%, and final film. (b) Uv − vis results in different wavelengths (from 200 to 1000) for blank, CS/CD 10%, and final film, (c) The swelling ratio in PBS (pH 7.4) at 37 °C for the CS, CS/CD 10%, and final film, and (d) SEM result of blank, CS/CD 10%, and final film