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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Reducing biofouling on titanium surface by electroless deposition of antibacterial copper nano films
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Reducing biofouling on titanium surface by electroless deposition of antibacterial copper nano films

机译：通过化学沉积铜纳米抗菌膜减少钛表面的生物结垢

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摘要

The main objective of this work is to study the antibacterial properties of copper thin nano films on titanium surface deposited by electroless plating technique for biofouling free condenser tube applications. The electroless deposition of copper nano films on titanium substrates was done and Cu films were also post-annealed for 1 h at 600 degrees C under vacuum condition to increase the particle size of the films. Surface characteristics of the films were studied using GIXRD, SEM and AFM. Antibacterial properties of the surface were evaluated by exposure studies in seawater using total viable count and epifluorescence microscopic techniques. Excellent antibacterial activity was exhibited by the electroless plated copper nano film on the titanium surface showing more than two orders decrease in the bacterial density compared to titanium surface with no copper film.
机译：这项工作的主要目的是研究通过化学镀技术沉积在钛表面上的铜纳米薄膜的抗菌性能，以用于无生物污垢的冷凝器管应用。完成了铜纳米膜在钛基板上的化学沉积，并且还在真空条件下于600摄氏度下将Cu膜后退火1 h，以增加膜的粒径。使用GIXRD，SEM和AFM研究了薄膜的表面特性。通过使用总可行计数和落射荧光显微镜技术在海水中进行暴露研究来评估表面的抗菌性能。与没有铜膜的钛表面相比，钛表面的化学镀铜纳米膜表现出优异的抗菌活性，显示出细菌密度下降了两个数量级以上。

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