In vitro bioactive nano-crystalline TiO2 layers grown at glass-coating/titanium interface

Yongxing Liu, Kanji Tsuru, Satoshi Hayakawa, Akiyoshi Osaka

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A new approach is presented to prepare a rutile layer on titanium substrates. According to this approach, pulverized glass, composed of 3CaO·4B2O3·3TiO2, is first developed on the substrate, heated up to 700 to 850°C, and then removed by soaking in hot water. During the heating process, rutile grew at the glass coating-substrate interface to form nano-sized crystallites. The rutile layer induced apatite formation within 3 d when soaked in simulated body fluid of the Kokubo recipe. Such in vitro bioactivity was attributed to many Ti-OH groups on the crystallite surface derived from hydrolysis of bonds at the crystallite-flux (matrix) interface like (rutile) -Ti-O-B or Ti-O-Ca-(the borate matrix).

Original languageEnglish
Pages (from-to)452-457
Number of pages6
JournalJournal of the Ceramic Society of Japan
Volume112
Issue number1308
DOIs
Publication statusPublished - Jan 1 2004

Fingerprint

glass coatings
activity (biology)
Titanium
rutile
titanium
Crystalline materials
Glass
Coatings
Substrates
Industrial heating
Body fluids
Apatite
Bioactivity
Crystallites
Apatites
Borates
body fluids
soaking
Hydrolysis
apatites

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

In vitro bioactive nano-crystalline TiO2 layers grown at glass-coating/titanium interface. / Liu, Yongxing; Tsuru, Kanji; Hayakawa, Satoshi; Osaka, Akiyoshi.

In: Journal of the Ceramic Society of Japan, Vol. 112, No. 1308, 01.01.2004, p. 452-457.

Research output: Contribution to journalArticle

Liu, Yongxing ; Tsuru, Kanji ; Hayakawa, Satoshi ; Osaka, Akiyoshi. / In vitro bioactive nano-crystalline TiO2 layers grown at glass-coating/titanium interface. In: Journal of the Ceramic Society of Japan. 2004 ; Vol. 112, No. 1308. pp. 452-457.
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