Fig. 8From: Enhanced MRI T 2 Relaxivity in Contrast-Probed Anchor-Free PEGylated Iron Oxide NanoparticlesIn vitro MTS cytotoxicity assays showing the A495 (a), MDA-MB-231 (b) and Jurkat (c) cell viabilities in the presence of PEG-SPION at different concentrations after incubation for 24 h, and in absence and presence of an external static magnetic fieldBack to article page