Controlled silver delivery by silver-cellulose nanocomposites prepared by a one-pot green synthesis assisted by microwaves

abstract

Controlled silver release from cellulosic nanocomposites was achieved by synthesizing silver nanoparticles, under microwave heating for 1-15 min, in a one-pot, versatile and sustainable process in which microcrystalline cellulose simultaneously functions as reducing, stabilizing and supporting agent in water; chitin, starch and other cellulose derivatives could also be used as reducing, stabilizing and supporting agents for silver nanoparticles and the method was also found to be extensible to the preparation of noble metal (Au, Pt) and metal oxide nanoparticle (ZnO, Cu, CuO and Cu2O) nanocomposites.

keywords

ANTIBACTERIAL ACTIVITY; METAL NANOPARTICLES; ALLOY NANOPARTICLES; NANOSTRUCTURES; STABILIZATION; NANOCRYSTAL; PARTICLES; SHAPE; GOLD; AG

subject category

Science & Technology - Other Topics; Materials Science; Physics

authors

Silva, AR; Unali, G

our authors

Groups

acknowledgements

This work was performed under the Marie Curie actions-Transfer of Knowledge European Union project SUSRES (ref. 29644) from the FP6. The authors thank David Oliver and Dr David Taylor (Biosciences, Unilever Discover Port Sunlight, UK) for the preliminary antimicrobial testing and Robert Clowes from the CMD (University of Liverpool, UK) for running the XRD patterns of the materials.

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