Figure 1From: Human-like collagen protein-coated magnetic nanoparticles with high magnetic hyperthermia performance and improved biocompatibility Structural characterization of Fe 3 O 4 NPs. (a) TEM image of the as-synthesized Fe3O4 NPs, insert shows the size distribution histogram. (b) High-resolution TEM image of a single Fe3O4 NPs. (c) Selected area electron diffraction (SAED) pattern acquired from Fe3O4 NPs assembly. (d) XRD pattern.Back to article page