Research Article

In Vitro Safety Evaluation and In Vivo Imaging Studies of Superparamagnetic Iron Oxide Nanoparticles through Biomimetic Modification

Figure 4

In vitro -weighted image of three magnetic nanoparticles, namely, SPION, PDA-SPION, and c(RGDyK)-PDA-SPION. In the -weighted MR image, the c(RGDyK)-PDA-SPION displayed a significant signal reduction with increasing nanoparticle concentration.