Controllable Assembly of Hydrophobic Superparamagnetic Iron Oxide Nanoparticle with mPEG-PLA Copolymer and Its Effect on MR Transverse Relaxation Rate
Figure 3
Characterizations of SPION clusters. (a) and (b) Representative TEM images of condense SPION clusters (CSC) and loosen SPION cluster (LSC), respectively. (c) TGA curve of hydrophobic SPION (A), condense SPION clusters (B) and loosen SPION cluster (C). (d) Magnetization plot of SPION as a function of the applied field at 298 K.
