Fig. 3From: Self-Assembled Superparamagnetic Iron Oxide Nanoclusters for Universal Cell Labeling and MRICellular MRI performance of the SPIO nanoclusters as a contrast agent. a T 2 relativity images for the SPIO nanoclusters labeling NIH3T3, Raw264.7, and HepG2 cells. b Relative intensity of MRI images for these three cell labelingBack to article page