Physicochemical Characterization and Biocompatibility of SPION@Plasmonic @Chitosan Core-Shell Nanocomposite Biosynthesized from Fungus Species

Figure 6

The transmission FTIR spectrum showing the molecular structure of the γFe₂O₃@Ag@chitosan biosynthesized of P. pinohpilum, A. deflectus, and F. oxysporum compared to Ag@chitosan (a), the ATR-IR spectrum of the molecular structure of the surface layer of the core shell (b) showing the second derivatives for the region 700–500 cm⁻¹.

(a)

(b)