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首页> 外文期刊>Bioceramics Development and Applications >Contrary Effects of UV-Irradiation on In Vitro Apatite-Forming Ability of TiO2 Layer in Simulated Body Fluid
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Contrary Effects of UV-Irradiation on In Vitro Apatite-Forming Ability of TiO2 Layer in Simulated Body Fluid

机译：紫外线辐射对模拟体液中TiO2层体外磷灰石形成能力的反作用

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Apatite-forming ability is a prerequisite to ensure the direct bonding of biomedical materials to living bone. Recently, Shozui et al. reported that UV- irradiation enhanced the in vitro apatite-forming ability of the TiO, layer (rutile) prepared by heat-treatment of titanium substrates in air. This study examined TiO2 (anatase)-covered Ti samples, derived by chemical and subsequent thermal treatment (CHT), in terms of their in vitro apatite-forming ability after UV-irradiation under varied conditions. UV-irradiation of CHT in air reduced the amount of active sites for apatite nucleation, while the UV-irradiation in water increased them. These contrary responses indicate that environmental factors of the UV- irradiation are important for controlling the in vitro apatite- forming ability of the anatase layer.
机译：磷灰石形成能力是确保生物医学材料直接结合到活骨的先决条件。最近，Shozui等人。报道说，紫外线辐射增强了通过在空气中对钛基材进行热处理而制备的TiO2层（金红石）的体外磷灰石形成能力。这项研究检查了通过化学和后续热处理（CHT）获得的TiO2（锐钛矿）覆盖的Ti样品在各种条件下紫外线照射后的体外磷灰石形成能力。空气中CHT的紫外线照射减少了磷灰石成核活性位点的数量，而水中的紫外线照射则增加了活性位点的数量。这些相反的响应表明，紫外线辐射的环境因素对于控制锐钛矿层的体外磷灰石形成能力很重要。

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