High Antibacterial and Antifungal Activity of Silver Monodispersed Nanoparticles Embedded in a Glassy Matrix

Silver doped glass powders have been obtained starting from vitellinate/nAg and montmorillonite/nAg. These powders have shown a high biocide activity against the three different types of microorganisms studied: Escherichia coli (gram‐negative bacteria), Micrococcus luteus (gram‐positive‐bacteria), a...

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Bibliographic Details
Published in:Advanced engineering materials 2010-07, Vol.12 (7), p.B292-B297
Main Authors: Esteban-Tejeda, Leticia, Malpartida, Francisco, Pecharromán, Carlos, Moya, Jose Serafin
Format: Article
Language:English
Subjects:
Escherichia coli
Issatchenkia orientalis
Micrococcus luteus
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Summary:Silver doped glass powders have been obtained starting from vitellinate/nAg and montmorillonite/nAg. These powders have shown a high biocide activity against the three different types of microorganisms studied: Escherichia coli (gram‐negative bacteria), Micrococcus luteus (gram‐positive‐bacteria), and Issatchenkia orientalis (yeast). It was found that these glasses keep constant the silver concentration even below the cytotoxic limit. Therefore we interpret that silver doped glasses play the role of dosing devices. Silver doped glass powders have been obtained starting from vitellinate/nAg and montmorillonite/nAg. They have shown a high biocide activity against three different types of microorganisms: E. coli (gram‐negative bacteria), M. luteus (gram‐positive‐bacteria), and I. orientalis (yeast). It was found that these glasses keep constant the silver concentration even below the cytotoxic limit. Therefore we interpret that silver doped glasses play the role of dosing devices.
ISSN:1438-1656
1527-2648
1527-2648
DOI:10.1002/adem.200980077