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Formation of Titania Submicron-Scale Rod Arrays on Titanium Substrate and In Vitro Biocompatibility

Published online by Cambridge University Press:  01 February 2011

Satoshi Hayakawa ,
Yongxing Liu ,
Kazuya Okamoto ,
Kanji Tsuru  and
Akiyoshi Osaka
Satoshi Hayakawa
Affiliation:
Biomaterials Laboratory, Okayama University, Tsushima, Okayama, 700-8530, Japan
Yongxing Liu
Affiliation:
Biomaterials Laboratory, Okayama University, Tsushima, Okayama, 700-8530, Japan
Kazuya Okamoto
Affiliation:
Biomaterials Laboratory, Okayama University, Tsushima, Okayama, 700-8530, Japan
Kanji Tsuru
Affiliation:
Biomaterials Laboratory, Okayama University, Tsushima, Okayama, 700-8530, Japan Research Center for Biomedical Engineering, Okayama University, Tsushima, Okayama, 700-8530, Japan
Akiyoshi Osaka
Affiliation:
Biomaterials Laboratory, Okayama University, Tsushima, Okayama, 700-8530, Japan Research Center for Biomedical Engineering, Okayama University, Tsushima, Okayama, 700-8530, Japan
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Abstract

Titania submicron-scale rod arrays were fabricated on metallic titanium (α-Ti) surfaces by coating a layer of sodium tetraborate on titanium substrates and subsequent thermal treatment. Thin-film X-ray diffraction analysis indicated that the sodium tetraborate gave rutile (TiO2: PDF# 21-1276) submicron-scale rod arrays. The rods in the arrays are parallel to each other in the grain of metallic titanium surface. The titania submicron-scale rod arrays deposited apatite within 7 days after being soaked in a simulated body fluid, indicating that the rod arrays exhibit in vitro bioactivity.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 845: Symposium AA – Nanoscale Materials Science in Biology and Medicine , 2004 , AA6.9
Copyright
Copyright © Materials Research Society 2005

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References

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