Figure 2: TEM micrographs of TiO2 nanotubes.
From: Anodically Grown Titania Nanotube Induced Cytotoxicity has Genotoxic Origins
(a) Low magnification and (b) high magnification images of ethylene glycol (organic) electrolyte fabricated TiO2 nanotubes. (c) Low magnification and (d) high magnification images of HF/H2O (aqueous) electrolyte fabricated TiO2 nanotubes.
