Heparin and Carboxymethylchitosan Metal Nanoparticles: An Evaluation of Their Cytotoxicity

Figure 2

FT-IR spectra of Fe₃O₄ NPs (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.