Synthesis of Superparamagnetic Iron Oxide Nanoparticles Modified with MPEG-PEI via Photochemistry as New MRI Contrast Agent

<div><i>T</i>2-weighted MRI images of MPEG-PEI-SPIONs with different concentrations. (a) 0.063, (b) 0.125, (c) 0.250, and (d) 0.500 mg/mL.</div>

Journal of Nanomaterials

Figure 9: Synthesis of Superparamagnetic Iron Oxide Nanoparticles Modified with MPEG-PEI via Photochemistry as New MRI Contrast Agent 