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Toward the Synthesis of Bactericidal Films

机译：走向杀菌膜的合成

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We report the synthesis of silver films on polished titanium and stainless steel substrate materials using a sputter deposition technique. Films were deposited as a function of cathode power, substrate temperature, and deposition pressure demonstrating that the silver grain-size depends on each of these parameters. Adhesion of silver to polished titanium and stainless steel substrates was found to be dependent on the substrate temperature during deposition. Post deposition anneals of room-temperature deposited films were not effective for improving the adhesion. This constraint places a lower limit on the size of the grains of the silver in the as-deposited film since the grain-size increases as the temperature increases. Preliminary measurements of the bactericidal properties of silver films deposited directly onto orthopedic implants suggest that the films are effective in preventing growth of the bacterium Staphylococcus Aureus. Details of the deposition process and the bactericidal investigations are presented.
机译：我们报告使用溅射沉积技术在抛光的钛和不锈钢基材上合成银膜。根据阴极功率，衬底温度和沉积压力来沉积膜，这表明银的粒度取决于这些参数中的每一个。发现银与抛光的钛和不锈钢基板的粘合性取决于沉积过程中基板的温度。室温沉积膜的沉积后退火对于改善粘合性是无效的。由于随着温度的升高晶粒尺寸增加，因此该限制对沉积膜中的银晶粒的尺寸设置了下限。初步测量直接沉积在整形外科植入物上的银膜的杀菌性能表明，该膜可有效防止金黄色葡萄球菌的生长。介绍了沉积过程和杀菌研究的详细信息。

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