Fig. 2. The FTIR spectra of the placebo CasNPs (red), ICG loaded (green), Gen loaded (blue), Cas (magenta), ICG-Gen@CasNPs (dark pink), free Gen (green), and free ICG drug (purple) from 500 to 4000 cm−1 (A); XRD patterns for ICG, Gen, ICG-Gen@CasNPs, placebo CasNPs, and Cas (B); CD spectroscopy showing the secondary structure of Cas, placebo CasNPs and ICG-Gen@CasNPs (C); in vitro percentage cumulative drug release profiles for Gen and ICG-Gen@CasNPs with NIR light and without NIR light (D); and solubility profiles for Gen and ICG-Gen@CasNPs (E).
