Titanium dioxide 114 Titanium 67 Titanium alloys 60 titanium 58 human 41 Humans 36 Thin films 23 Scanning electron microscopy 21 Article 20 Binary alloys 20 Aluminum alloys 19 Ternary alloys 19 procedures 18 Sol-gels 17 Titania 16 titanium dioxide 16 Nanoparticles 15 Titanium oxides 15 Nanotubes 14 Photocatalysis 14 Titanium compounds 14 female 14 Morphology 13 chemistry 13 devices 13 Nickel 12 X ray diffraction 12 Zinc oxide 12 controlled study 12 Electrodes 11