Scheme 1

Schematic of ultrasmall Fe3O4 nanoparticle-based nanoclusters for tumor-targeted dual-mode T1/T2-weighted MRI and synergetic CDT and chemotherapy.

Schematic of ultrasmall Fe3O4 nanoparticle-based nanoclusters for tumor-targeted dual-mode T1/T2-weighted MRI and synergetic CDT and chemotherapy.