Fig. 1From: Mechanistic study of silica nanoparticles on the size-dependent retinal toxicity in vitro and in vivoCharacterization of SiO2 NPs. SEM and TEM (insets) images of (A) 15-nm SiO2 NPs and B 50-nm SiO2 NPs. XRD spectra of 15-nm SiO2 NPs (C) and 50-nm SiO2 NPs (D)Back to article page