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Journal of Nanoparticle Research

Erschienen in:

01.02.2013 | Research Paper

Kinetics of dissolution of a biocide soda-lime glass powder containing silver nanoparticles

verfasst von: L. Esteban-Tejeda, A. C. da Silva, S. R. Mello-Castanho, C. Pacharroman, J. S. Moya

Erschienen in: Journal of Nanoparticle Research | Ausgabe 2/2013

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Abstract

In the present study we have studied the lixiviation kinetics of silver nanoparticles, as well as the solubility of a particulate system (<30 μm) composed of a glassy matrix of soda-lime glass containing 20 wt% of silver nanoparticles, under a constant flow (0.21 l/day) of deionizated water at room temperature. The kinetic of silver, CaO and SiO₂ lixiviation followed a Jander model (α²/4 ≈ Kt). It has been proven that nanostructured soda-lime glass/nAg composed by particles <30 μm with a 20 wt% of silver are a strong biocide versus Gram-positive, Gram-negative bacteria and yeasts. This soda-lime glass/nAg acts as a perfect dispenser of silver nanoparticles to the liquid media, avoiding the fast increasing of its concentration over the toxicity limit for human cells and for the environment.

Vorheriger Artikel Self-assembled Au nanoparticles on heated Corning glass by dc magnetron sputtering: size-dependent surface plasmon resonance tuning

Nächster Artikel In(OH)3 and In2O3 nanorice and microflowers: morphology transformation and optical properties

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Titel: Kinetics of dissolution of a biocide soda-lime glass powder containing silver nanoparticles
verfasst von: L. Esteban-Tejeda
A. C. da Silva
S. R. Mello-Castanho
C. Pacharroman
J. S. Moya
Publikationsdatum: 01.02.2013
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 2/2013
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-013-1447-2

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