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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Influence of sol and surface properties on in vitro bioactivity of sol-gel-derived TiO2 and TiO2-SiO2 films deposited by dip-coating method.
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Influence of sol and surface properties on in vitro bioactivity of sol-gel-derived TiO2 and TiO2-SiO2 films deposited by dip-coating method.

机译：溶胶和表面性质对浸涂法沉积溶胶-凝胶衍生的TiO2和TiO2-SiO2薄膜体外生物活性的影响。

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摘要

Different sol-gel-derived titania and titania-silica films were prepared and their properties related to in vitro bioactivity. The films were prepared by depositing the sols on the substrate surface using a dip-coating method. The sols were monitored carefully as a function of time, using rheological techniques and dynamic light scattering. The topography of the films was characterized using atomic force microscopy, and thicknesses and refractive indexes of the films were evaluated by fitting transmittance spectra measured in a wave length region of 370-1100 nm with a spectrophotometer. The in vitro bioactivity tests were performed in simulated body fluid. Surface topography was found to be of great importance with respect to the bioactivity of the studied films.
机译：制备了不同的溶胶-凝胶衍生的二氧化钛和二氧化钛-二氧化硅薄膜，它们的性质与体外生物活性有关。通过使用浸涂法将溶胶沉积在基底表面上来制备膜。使用流变技术和动态光散射对溶胶作为时间的函数进行了仔细监测。使用原子力显微镜对膜的形貌进行表征，并且通过使用分光光度计拟合在3700-1100nm的波长区域中测量的透射光谱来评价膜的厚度和折射率。体外生物活性测试是在模拟体液中进行的。发现表面形貌对于所研究的膜的生物活性非常重要。

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