Silver-Doped Zirconia Nanoparticles as Possible Bactericide in Water Filters

Ermerson Ney Leite Rodrigues; Edson Jansen Pedrosa Miranda Jr.; M.M. Oliveira

doi:10.4028/www.scientific.net/MSF.798-799.69

Paper Titles

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Silver-Doped Zirconia Nanoparticles as Possible Bactericide in Water Filters
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HomeMaterials Science ForumMaterials Science Forum Vols. 798-799Silver-Doped Zirconia Nanoparticles as Possible...

Silver-Doped Zirconia Nanoparticles as Possible Bactericide in Water Filters

Abstract:

The objectives of this study were to produce ZrO₂-based nanoparticles doped with silver, using the polymeric precursor method (Pechini), and to verify their bactericidal activity against Escherichia coli and Staphylococcus aureus. Zirconium and silver oxides were chosen due to their bactericidal activity. The oxides were characterized by X-ray diffraction and field emission gun-scanning electron microscopy. The support for the oxides was a porous surface used in gravity filters. The method was not effective against the bacterium Escherichia coli in the sample subjected to UV light for 45 min, since it did not eliminate the bacterium, and did not inhibit colony growth and formation. However, the bactericidal activity test proved effective against Staphylococcus aureus, eliminating the bacterium when the sample was subjected to UV light for 45 min, thus preventing colony growth and formation.

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Materials Science Forum (Volumes 798-799)

Pages:

69-74

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.798-799.69

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Online since:

June 2014

Authors:

Ermerson Ney Leite Rodrigues*, Edson Jansen Pedrosa Miranda Jr., M.M. Oliveira

Keywords:

Bactericide, Nanoparticle, Pechini Method, Silver, Zirconia

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