Fig. 1
From: BiVO4/Fe3O4@polydopamine superparticles for tumor multimodal imaging and synergistic therapy
TEM and HRTEM characterizations of BiVO4 NPs, Fe3O4 NPs, BiVO4/Fe3O4 SPs and BiVO4/Fe3O4@PDA SPs. TEM images of (a) BiVO4 NPs, (b) Fe3O4 NPs, (c) BiVO4/Fe3O4 SPs and (d) BiVO4/Fe3O4@PDA SPs. Inset in (a) and (b): size distributions and HRTEM images of BiVO4 and Fe3O4 NPs. Inset in (c) and (d): size distributions of BiVO4/Fe3O4 SPs and BiVO4/Fe3O4@PDA SPs