Figure 7From: Carboxymethyl chitosan-folic acid-conjugated Fe3O4@SiO2 as a safe and targeting antitumor nanovehicle in vitroTEM images. (a) Fe3O4@SiO2 (inset: Fe3O4) and (b) Fe3O4@SiO2-OCMCS-FA (inset: SEM images of Fe3O4@SiO2-OCMCS-FA).Back to article page