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首页> 外文会议>Symposium on Surface-Active Process in Materials, Cocoa Beach, Florida, January 25-29, 1999 >Structural and bioactivity Analysis of Porous Titania Films Produced by an Electrochemical Method
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Structural and bioactivity Analysis of Porous Titania Films Produced by an Electrochemical Method

机译：电化学法制备的多孔二氧化钛薄膜的结构和生物活性分析

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摘要

Thick titania films can be produced on titanium substrates by an electrochemical method, through anodic oxidation of the substrate in a methanolic solution. This film can increase the stability of the substrate and may also make it bioactive, depending on the structural characteristics and surface chemistry of the oxide formed. In this work titania films were produced under a fixed current density and processing time, in methanolic solutions with different water content. The bioactivity of the films was evaluated upon immersion in simulated body fluid. The structural characteristics of the films and its bioactivity was evalauted by X-Ray Diffraction, Infrared Spectroscopy and Nitrogen Adsorption. The surface reactions in simulated body fluid was discussed in the light of the structure of the films and their surface chemistry.
机译：可以通过电化学方法，通过在甲醇溶液中对基材进行阳极氧化，在钛基材上生产厚的二氧化钛薄膜。取决于所形成的氧化物的结构特征和表面化学性质，该膜可以增加基底的稳定性并且还可以使其具有生物活性。在这项工作中，在固定的电流密度和处理时间下，在具有不同水分含量的甲醇溶液中生产了二氧化钛薄膜。将膜浸入模拟体液中后评估其生物活性。通过X射线衍射，红外光谱和氮吸附来评价膜的结构特征及其生物活性。根据膜的结构及其表面化学，讨论了模拟体液中的表面反应。

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