Journal
MATERIALS SCIENCE & ENGINEERING C-BIOMIMETIC AND SUPRAMOLECULAR SYSTEMS
Volume 29, Issue 4, Pages 1216-1219Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.msec.2008.09.017
Keywords
Bacterial cellulose; Silver chloride; Nanoparticles; Antimicrobial membrane
Categories
Funding
- School Fund [1307024]
- New Century Excellent Talents in University [NCET-050420]
- Shanghai Leading Academic Discipline [13603]
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In situ synthesis of silver chloride (AgCl) nanoparticles was carried out under ambient conditions in nanoporous bacterial cellulose (BC) membranes as nanoreactors. The growth of the nanoparticles was readily obtained by alternating dipping of BC membranes in the solution of silver nitrate or sodium chloride followed by a rinse step. X-ray diffraction (XRD) patterns indicated the existence of AgCl nanoparticles in the BC and scanning electron microscopy (SEM) images showed that the AgCl nanoparticles well dispersed on the surface of BC and penetrated into the BC network. The AgCl nanoparticle-impregnated BC membranes exhibited high hydrophilic ability and strong antimicrobial activity against Escherichia coli (Gram-negative) and Staphylococcus aureus (Gram-positive). The preparative procedure is facile and versatile, and provides a simple route to manufacturing of useful antimicrobial membranes, which would be a good alternative for antimicrobial wound dressing. Crown Copyright (C) 2008 Published by Elsevier B.V. All rights reserved
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