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Ag promotion of TiO2-anatase disinfection capability: Study of Escherichia coli inactivation

Paper ID Volume ID Publish Year Pages File Format Full-Text
47896 46485 2008 7 PDF Available
Title
Ag promotion of TiO2-anatase disinfection capability: Study of Escherichia coli inactivation
Abstract

In this report we investigate the promotion of the TiO2-anatase disinfection capability by addition of silver. Ag–TiO2 systems were prepared by two different methods, impregnation and photodeposition, and their anti-microbial properties analyzed as a function of the silver content using Escherichia coli as a benchmark microorganism. Both Ag–TiO2 series of samples display maximum photokilling activity for a 1 wt.% silver loading but behave very differently for higher silver loadings. The noble metal roles played on the E. coli inactivation and their physical grounds were analyzed by a multitechnique approach using XRD, and Raman, UV–vis and electron paramagnetic resonance (EPR) spectroscopies.

Keywords
Photocatalysis; TiO2; Anatase; Silver; Disinfection; E. coli
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Ag promotion of TiO2-anatase disinfection capability: Study of Escherichia coli inactivation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 84, Issues 1–2, 25 October 2008, Pages 87–93
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