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- W2801283721 abstract "Stainless steel is one of the most exploatable material due to its durability, resistance to corrosion and ease of cleaning; it is the icon of cleanliness for home and commercial kitchens, restaurants, hospitals, pharmaceutical and food facilities, but it readily collects bacteria over time. Microorganisms even at room temperature can easily attach to untreated stainless steel surfaces. All objects in public areas that could potentially be in contact, handled or touched by people, could have inherent antibacterial properties to inhibit the proliferation of pathogens upon their surface, which can cause infections. One way to create antibacterial surfaces is by introducing silver or copper into the steel or to make a Cu- or Ag-based coating on to the surface. Coating techniques are very attractive nowadays; they could develop surfaces that not only kills bacteria but is very hard and resistant to wear and tear that is very important during cleaning and exploatation of those surfaces in public or industrial facilities.In this work, potential anribacterial surfaces on stainless steel are created by Physical Vapour Deposition (PVD) method. Under certain conditions in PVD chamber metals like, Cu or Ag or both evaporate from suitable targets in a vacuum atmosphere. Due to a potential difference between the target and the part that need to be coated, metal ions in pure or compound form move on the surface where they condense creating a desired multilayered coating. It is possible to create customized functional nanolayers of one or different antibacterial metals as well as retardant and protective layers e.g Ti-based layers that can regulate the release of antibacterial ions as well as will provide a good weather protection. The antibacterial effect is due to present antibacterial ions that diffuse through multilayered structure of the coating. The most possible mechanism for antibacterial activity of these nanolayers is release of antibacterial ions towards the surface and destroy of cell membranes of bacteria by blocking its nutrition, altering its protein properties and interrupting the cell division cycle." @default.
- W2801283721 created "2018-05-17" @default.
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- W2801283721 date "2017-05-28" @default.
- W2801283721 modified "2023-09-26" @default.
- W2801283721 title "PVD Deposition of Multilayered Nanocoatings With Potential Antimicrobial Behaviour" @default.
- W2801283721 hasPublicationYear "2017" @default.
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