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October 3rd, 2006

Highly efficient antibacterial nanocomposite coatings

Abstract:
Dr. Vladimir Zaporojtchenko, University of Kiel: "We developed a new co-deposition process based on sputtering to protect a surface against growth of bacteria by depositing a thin nanocomposite film consisting of silver particles in a fluoropolymer matrix. The well-known antibacterial activity of silver is greatly enhanced by depositing an additional very thin layer of gold clusters. The much more effective release of silver ions form the coating is attributed to the combination of clusters of silver with clusters of the nobler gold."

Source:
nanowerk.com

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