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Apatite-inducing ability of titanium oxide layer on titanium surface : the effect of surface energy

Wang, X., Li, Y., Lin, J., Hodgson, P. and Wen, C. 2008, Apatite-inducing ability of titanium oxide layer on titanium surface : the effect of surface energy, Journal of materials research, vol. 23, no. 6, pp. 1682-1688, doi: 10.1557/JMR.2008.0195.

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Title Apatite-inducing ability of titanium oxide layer on titanium surface : the effect of surface energy
Author(s) Wang, X.
Li, Y.
Lin, J.
Hodgson, P.
Wen, C.
Journal name Journal of materials research
Volume number 23
Issue number 6
Start page 1682
End page 1688
Total pages 7
Publisher Materials Research Society
Place of publication Warrendale, Pa.
Publication date 2008
ISSN 0884-2914
2044-5326
Summary In the present study, pure titanium (Ti) plates were firstly treated to form various types of oxide layers on the surface and then were immersed into simulated body fluid (SBF) to evaluate the apatite-forming ability. The surface morphology and roughness of the different oxide layers were measured by atomic force microscopy (AFM), and the surface energies were determined based on the Owens–Wendt (OW) methods. It was found that Ti samples after alkali heat (AH) treatment achieved the best apatite formation after soaking in SBF for three weeks, compared with those without treatment, thermal or H2O2 oxidation. Furthermore, contact angle measurement revealed that the oxide layer on the alkali heat treated Ti samples possessed the highest surface energy. The results indicate that the apatite-inducing ability of a titanium oxide layer links to its surface energy. Apatite nucleation is easier on a surface with a higher surface energy.
Language eng
DOI 10.1557/JMR.2008.0195
Field of Research 090301 Biomaterials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017172

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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