Research Article

Gallium-68 Labeled Iron Oxide Nanoparticles Coated with 2,3-Dicarboxypropane-1,1-diphosphonic Acid as a Potential PET/MR Imaging Agent: A Proof-of-Concept Study

Figure 5

(a) Hysteresis loop for Fe3O4 and Fe3O4-DPD MNPs at 300 K; (b) temperature dependence on magnetization of the Fe3O4 and Fe3O4-DPD MNPs taken in zero-field (lower branch) and field-cooling (upper branch) modes.
(a)
(b)