Research Article

Preparation and Characterization of Folate-Targeted Fe3O4 Nanoparticle Codelivering Cisplatin and TFPI-2 Plasmid DNA for Nasopharyngeal Carcinoma Therapy

Figure 6

The magnetization analysis of (I) SPION, (II) SPION-CDDP, and (III) FA-PEG-PEI@SPION-CDDP. (a) Saturation magnetization curves of various nanoparticles. (b) Stable and monodisperse status of the above nanoparticles. (c) Nanoparticles were directional attracted with an external magnetic field.