Figure 2.
The diffraction peaks of magnetite were detected in the X-ray diffraction (XRD) patterns (A) XRD patterns of the magnetite nanoparticles (MNPs) and DOX-loaded collagen (MDC) sponge and MNPs. (B) FTIR spectra of collagen, DOX, MC sponge, and MDC sponge. (C) Thermogravimetric and differential thermal analysis (TG-DTA) curves of MDC sponge.