Fig. 1From: Passage of Magnetic Tat-Conjugated Fe3O4@SiO2 Nanoparticles Across In Vitro Blood-Brain Barrier a TEM images of Fe3O4@SiO2 NPs; b the X-ray diffraction patterns; and c the FTIR spectra of Fe3O4, Fe3O4@SiO2, and Fe3O4@SiO2-Amino NPsBack to article page