Incorporation of silver nanoparticles into a cellulose matrix for preparing package materials for foodstuffs

Incorporation of silver nanoparticles into a cellulose matrix for preparing package materials for... The paper deals with incorporation of silver/silver oxide nanoparticles into a cellulose matrix with the aim to obtain package materials for prolonging the shelf life of foodstuffs. The optimum parameters of preparation of silver nanoparticles (initial concentrations of silver nitrate and glucose, pH) were determined. The optical absorption spectra of silver sols were obtained. Different methods were used for depositing silver/silver oxide nanoparticles onto the polymer and film. The nanoparticles were studied by atomic force microscopy. The toxicity of the polymers and films with the incorporated silver/silver oxide nanoparticles was evaluated by variation of the optical density of Chlorella alga culture and by the mortality of Daphnia. The polymers and films with silver nanoparticles deposited using ultrasound are the safest and can be used as packaging material for foodstuffs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Incorporation of silver nanoparticles into a cellulose matrix for preparing package materials for foodstuffs

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215040151
Publisher site
See Article on Publisher Site

Abstract

The paper deals with incorporation of silver/silver oxide nanoparticles into a cellulose matrix with the aim to obtain package materials for prolonging the shelf life of foodstuffs. The optimum parameters of preparation of silver nanoparticles (initial concentrations of silver nitrate and glucose, pH) were determined. The optical absorption spectra of silver sols were obtained. Different methods were used for depositing silver/silver oxide nanoparticles onto the polymer and film. The nanoparticles were studied by atomic force microscopy. The toxicity of the polymers and films with the incorporated silver/silver oxide nanoparticles was evaluated by variation of the optical density of Chlorella alga culture and by the mortality of Daphnia. The polymers and films with silver nanoparticles deposited using ultrasound are the safest and can be used as packaging material for foodstuffs.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jul 14, 2015

References

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