Antibacterial activity of nanocomposites of silver and bacterial or vegetable cellulosic fibers

authors	Pinto, RJB; Marques, PAAP; Neto, CP; Trindade, T; Daina, S; Sadocco, P
nationality	International
journal	ACTA BIOMATERIALIA
author keywords	Nanocomposites; Vegetable cellulose; Bacterial cellulose; Silver nanoparticles; Antibacterial activity
keywords	NANOPARTICLES
abstract	Cellulose/Ag nanocomposites were prepared using two distinct methodologies and two cellulose substrates: vegetable and bacterial cellulose. These nanocomposites were characterized in terms of their morphology and chemical composition. Detailed studies on the antibacterial activity of these materials were carried out for Bacillus subtilis, Staphylococcus aureus and Klebsiella pneumoniae. Silver nanoparticles present in the cellulosic fibers in concentrations as low as 5.0 x 10(-4) wt.% make these nanocomposites effective antibacterial materials. We anticipate that the versatile use of these cellulose-based nanocomposites can bring a promising strategy to produce a wide range of interesting materials where antibacterial properties are crucial. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
publisher	ELSEVIER SCI LTD
issn	1742-7061
year published	2009
volume	5
issue	6
beginning page	2279
ending page	2289
digital object identifier (doi)	10.1016/j.actbio.2009.02.003
web of science category	Engineering, Biomedical; Materials Science, Biomaterials
subject category	Engineering; Materials Science
unique article identifier	WOS:000267307900047