Fig. 10From: Enhanced MRI T 2 Relaxivity in Contrast-Probed Anchor-Free PEGylated Iron Oxide NanoparticlesT2-weighted MR phantom images of PEG-SPION in aqueous solution at human body temperature and using a 3.7-T MRI scanner, showing a low degree of sedimentation (range of 0.1–0.4 [Fe] mM) at the bottom of the aliquotsBack to article page