Figure 5From: Carboxymethyl chitosan-folic acid-conjugated Fe3O4@SiO2 as a safe and targeting antitumor nanovehicle in vitroXRD spectrum. (a) Fe3O4 NPs, (b) Fe3O4@SiO2, (c) Fe3O4@SiO2-FA, and (d) Fe3O4@SiO2-OCMCS-FA.Back to article page