Details

Autor(en) / Beteiligte

• Xiao, Xiu-feng
• Tian, Tian
• Liu, Rong-fang
• She, Hou-de

Titel

Influence of titania nanotube arrays on biomimetic deposition apatite on titanium by alkali treatment

Ist Teil von

• Materials chemistry and physics, 2007-11, Vol.106 (1), p.27-32

Ort / Verlag

Elsevier B.V

Erscheinungsjahr

2007

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Titania nanotube arrays were fabricated by anodic oxidation of titanium foils in HF solution, which were then treated in NaOH solution or Ca(OH) 2 solution to make them bioactive. The ability to form apatite on the as-treated samples was examined by immersion tests in simulated body fluid combined with Enviromental Scanning Electron Microscopy (ESEM), Energy Dispersive X-ray Analyzer (EDAX) and X-ray diffractometer (XRD) investigations. The results show that the presence of titania nanotube arrays on titanium surface could shorten the activation time of NaOH-treated from 24 h to 30 min, and induces the growth of nano-grain calcium titanate on the top edge of the nanotube wall in Ca(OH) 2 solution. During the subsequent in vitro immersion in a simulated body fluid, the nano-grain calcium titanate, in turn, induced the formation of apatite phase. It is expected that titanium with such titania nanotube can be used in clinical orthopaedics.