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Tailoring polymer–TiO2 film properties by presence of metal (Ag, Cu, Zn) species: Optimization of antimicrobial properties

Paper ID Volume ID Publish Year Pages File Format Full-Text
46973 46454 2011 7 PDF Available
Title
Tailoring polymer–TiO2 film properties by presence of metal (Ag, Cu, Zn) species: Optimization of antimicrobial properties
Abstract

Presence of metallic Ag or oxidic Cu and Zn species on an anatase surface is shown to allow drastic improvement of the disinfection capability of polymer-based TiO2-containing nanocomposite films against both gram negative (Escherichia coli) and gram positive (Staphylococcus aureus) bacteria and upon both ultraviolet and visible light excitations. The inorganic incorporation to the polymer matrix is reached without alteration of the main physico-chemical (structural and thermal) characteristics of the organic component. Irrespective of the excitation wavelength, the disinfection capability improvement is observed for Ag and Zn promoted film materials but not for the Cu-containing composite. A study of the optical properties attempts to interpret the biocidal enhancement observed in presence of such Ag, Cu, and Zn-containing species at inorganic–organic interfaces.

Graphical abstract.Figure optionsDownload full-size imageDownload as PowerPoint slideResearch highlights► EVOH–TiO2 films synthesized with Ag, Cu, Zn species at organic–inorganic interface ► These species alter optical but no other film physico-chemical property ► Ag and Zn dramatically enhance both UV and visible disinfection capabilities

Keywords
Titania; Anatase; Nanocomposites; Thin films; Biocide; Germicide; Disinfection
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Tailoring polymer–TiO2 film properties by presence of metal (Ag, Cu, Zn) species: Optimization of antimicrobial properties
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 104, Issues 3–4, 18 May 2011, Pages 346–352
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us