Enhancement of in vitro apatite-forming ability of thermally oxidized titanium surfaces by ultraviolet irradiation

Tetsuya Shozui; Kanji Tsuru; Satoshi Hayakawa; Akiyoshi Osaka

doi:10.2109/jcersj2.116.530

Enhancement of in vitro apatite-forming ability of thermally oxidized titanium surfaces by ultraviolet irradiation

Tetsuya Shozui, Kanji Tsuru, Satoshi Hayakawa, Akiyoshi Osaka

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Ultraviolet (UV) light was irradiated in air for 1 h on titania (rutile) films prepared by thermal oxidation of titanium substrates from 300°C up to 800°C, coded as HT300UV, HT400UV, HT500UV, HT600UV, HT700UV, and HT800UV, respectively. All samples were then soaked in a simulated body fluid (SBF, Kokubo solution) and their in vitro apatite-forming ability was evaluated. It was found that bone-like apatite particles were deposited on HT500UV, HT600UV, and HT700UV within 7 d whereas that was not the case with others during the same period. Moreover, the apatite particles were deposited more on HT500UV than on the others. Therefore, the ultraviolet light irradiation enhanced the in vitro apatite-forming ability of the thermally oxidized titanium.

Original language	English
Pages (from-to)	530-535
Number of pages	6
Journal	Journal of the Ceramic Society of Japan
Volume	116
Issue number	1352
DOIs	https://doi.org/10.2109/jcersj2.116.530
Publication status	Published - Apr 2008

Keywords

Apatite
Thermal oxidation
Titania
Titanium
Ultraviolet irradiation

ASJC Scopus subject areas

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

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title = "Enhancement of in vitro apatite-forming ability of thermally oxidized titanium surfaces by ultraviolet irradiation",

abstract = "Ultraviolet (UV) light was irradiated in air for 1 h on titania (rutile) films prepared by thermal oxidation of titanium substrates from 300°C up to 800°C, coded as HT300UV, HT400UV, HT500UV, HT600UV, HT700UV, and HT800UV, respectively. All samples were then soaked in a simulated body fluid (SBF, Kokubo solution) and their in vitro apatite-forming ability was evaluated. It was found that bone-like apatite particles were deposited on HT500UV, HT600UV, and HT700UV within 7 d whereas that was not the case with others during the same period. Moreover, the apatite particles were deposited more on HT500UV than on the others. Therefore, the ultraviolet light irradiation enhanced the in vitro apatite-forming ability of the thermally oxidized titanium.",

keywords = "Apatite, Thermal oxidation, Titania, Titanium, Ultraviolet irradiation",

author = "Tetsuya Shozui and Kanji Tsuru and Satoshi Hayakawa and Akiyoshi Osaka",

year = "2008",

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doi = "10.2109/jcersj2.116.530",

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T1 - Enhancement of in vitro apatite-forming ability of thermally oxidized titanium surfaces by ultraviolet irradiation

AU - Shozui, Tetsuya

AU - Tsuru, Kanji

AU - Hayakawa, Satoshi

AU - Osaka, Akiyoshi

PY - 2008/4

Y1 - 2008/4

N2 - Ultraviolet (UV) light was irradiated in air for 1 h on titania (rutile) films prepared by thermal oxidation of titanium substrates from 300°C up to 800°C, coded as HT300UV, HT400UV, HT500UV, HT600UV, HT700UV, and HT800UV, respectively. All samples were then soaked in a simulated body fluid (SBF, Kokubo solution) and their in vitro apatite-forming ability was evaluated. It was found that bone-like apatite particles were deposited on HT500UV, HT600UV, and HT700UV within 7 d whereas that was not the case with others during the same period. Moreover, the apatite particles were deposited more on HT500UV than on the others. Therefore, the ultraviolet light irradiation enhanced the in vitro apatite-forming ability of the thermally oxidized titanium.

AB - Ultraviolet (UV) light was irradiated in air for 1 h on titania (rutile) films prepared by thermal oxidation of titanium substrates from 300°C up to 800°C, coded as HT300UV, HT400UV, HT500UV, HT600UV, HT700UV, and HT800UV, respectively. All samples were then soaked in a simulated body fluid (SBF, Kokubo solution) and their in vitro apatite-forming ability was evaluated. It was found that bone-like apatite particles were deposited on HT500UV, HT600UV, and HT700UV within 7 d whereas that was not the case with others during the same period. Moreover, the apatite particles were deposited more on HT500UV than on the others. Therefore, the ultraviolet light irradiation enhanced the in vitro apatite-forming ability of the thermally oxidized titanium.

KW - Apatite

KW - Thermal oxidation

KW - Titania

KW - Titanium

KW - Ultraviolet irradiation

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