Fig. 2

(A, B, C) The FTIR spectrum and (D) UV–vis analysis of BiNPs, Bi@Chi NPs, Bi@Chi-SCR, and Bi@Chi-DEC showed the successful synthesis of different formulations.

(A, B, C) The FTIR spectrum and (D) UV–vis analysis of BiNPs, Bi@Chi NPs, Bi@Chi-SCR, and Bi@Chi-DEC showed the successful synthesis of different formulations.