Research Article

Heparin and Carboxymethylchitosan Metal Nanoparticles: An Evaluation of Their Cytotoxicity

Figure 4

FT-IR spectra Fe3O4 NPs (A) and Fe3O4@CMCS (B). The peaks at 1067, 1406, 1608, and 3550 cm−1 indicate the presence of CMCS on the Fe3O4NPs surface.
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