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- Title
Glass-(nAg, nCu) Biocide Coatings on Ceramic Oxide Substrates.
- Authors
Esteban-Tejeda, Leticia; Malpartida, Francisco; Díaz, Luis Antonio; Torrecillas, Ramón; Rojo, Fernando; Moya, José Serafín
- Abstract
The present work was focused on obtaining biocide coatings constituted by a glassy soda-lime matrix containing silver or copper nanoparticles on ceramic (alumina and zirconia based) substrates. Both glassy coatings showed a high biocide activity against Gram-, Gram+ bacteria and yeast, reducing cell numbers more than three logarithms. Silver nanoparticles had a significantly higher biocide activity than copper nanoparticles, since the lixiviation levels required to reduce cell numbers more than 3 logarithms was of almost 1-2 μg/cm2 in the case of silver nanoparticles, and 10-15 μg/cm2 for the copper nanoparticles.
- Subjects
GLASS; BIOCIDES; ANTI-infective agents; CERAMICS; OXIDES; NANOPARTICLES; ZIRCONIUM oxide; LOGARITHMS
- Publication
PLoS ONE, 2012, Vol 7, Issue 3, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0033135