Fig. 1From: Improved in vitro angiogenic behavior on anodized titanium dioxide nanotubesSEM Micrographs representing the surface morphology of the experimental materials. a Anodized Ti6Al4V illustrating the presence of the NT surface; b cross-section view of the NTs; c top-view of the NTs by TEM, showing a well-defined diameter; and d Ti6Al4V control surface by SEMBack to article page