Fig. 3From: Improved in vitro angiogenic behavior on anodized titanium dioxide nanotubesAFM micrographs of the Ti6Al4V surfaces and water contact angle measurements. a Ti6Al4V surface with NTs illustrating a rougher surface; b Ti6Al4V control showing a smooth and flat homogenous surface, c Ti6Al4V with NTs exhibiting a hydrophilic surface; and d Ti6Al4V control displaying a hydrophobic surfaceBack to article page