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In vitro osteoblast-like cell proliferation on nano-hydroxyapatite coatings with different morphologies on a titanium-niobium shape memory alloy

Xiong, Jianyu, Li, Yuncang, Hodgson, Peter D. and Wen, Cui'e 2010, In vitro osteoblast-like cell proliferation on nano-hydroxyapatite coatings with different morphologies on a titanium-niobium shape memory alloy, Journal of biomedical materials research part A, vol. 95A, no. 3, pp. 766-773, doi: 10.1002/jbm.a.32903.

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Title In vitro osteoblast-like cell proliferation on nano-hydroxyapatite coatings with different morphologies on a titanium-niobium shape memory alloy
Formatted title In vitro osteoblast-like cell proliferation on nano-hydroxyapatite coatings with different morphologies on a titanium-niobium shape memory alloy
Author(s) Xiong, Jianyu
Li, Yuncang
Hodgson, Peter D.
Wen, Cui'e
Journal name Journal of biomedical materials research part A
Volume number 95A
Issue number 3
Start page 766
End page 773
Total pages 8
Publisher John Wiley & Sons, Inc
Place of publication Malden, Mass.
Publication date 2010-12-01
ISSN 1549-3296
1552-4965
Keyword(s) nano-hydroxyapatite coating
hydrothermal process
titanium-niobium alloy
osteoblast-like cells
in vitro proliferation
Summary The morphology of nanomaterials significantly affects their physical, chemical, and biological properties. In the present study, nano-hydroxyapatite coatings with different morphologies were produced on the surface of a titanium-niobium shape memory alloy via a hydrothermal process. The effect of the nano-hydroxyapatite coatings on the in vitro proliferation of SaOS-2 osteoblast-like cells was investigated. Factors including crystallinity, surface micro-roughness, and surface energy of the nano-hydroxyapatite coatings were discussed. Results show that in vitro proliferation of the osteoblast-like cells was significantly enhanced on the nano-hydroxyapatite-coated titanium-niobium alloy compared to the titanium-niobium alloy without coating. The cell numbers on the nano-hydroxyapatite-coated titanium-niobium alloy changed consistently with the surface energy of the hydroxyapatite coatings. This study suggests that surface energy as a characteristic parameter influencing the in vitro proliferation of osteoblast-like cells was predominant over the crystallinity and surface micro-roughness of the nano-hydroxyapatite coatings.
Language eng
DOI 10.1002/jbm.a.32903
Field of Research 090301 Biomaterials
Socio Economic Objective 861201 Coated Metal and Metal-Coated Products
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Wiley Periodicals, Inc.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30034389

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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Created: Tue, 19 Apr 2011, 12:57:27 EST by Sandra Dunoon

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