Research Article

Preparation and Characterisation of Highly Stable Iron Oxide Nanoparticles for Magnetic Resonance Imaging

Figure 5

Plot of the proton relaxation rates ( and ) of IOMPs. The concentration gradient of NPs was prepared in saline containing 1.5% agarose. The relaxation times were measured at 20°C and 37.7°C. The calculated relaxivities are shown in the figure.