Heparin and Carboxymethylchitosan Metal Nanoparticles: An Evaluation of Their Cytotoxicity : Figure 2

Figure 2: FT-IR spectra of Fe₃O₄NPs (A) and Fe₃O₄@heparin (B). The peaks at 814 cm⁻¹, between 1000 and 1400 cm⁻¹ and those at 1225, and 1612 cm⁻¹ are indicative of the heparin coating.