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Antimicrobial activity of polyelectrolyte multilayer-treated cellulose films 2nd ICC 2007, Tokyo, Japan, October 25–29, 2007

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Published/Copyright: December 19, 2008
Holzforschung
From the journal Volume 63 Issue 1

Abstract

A polyelectrolyte multilayer film with antimicrobial properties was prepared by the layer-by-layer technique on porous cellulose membranes by the alternate adsorption of hydrophobically modified polyvinylamine (PVAm) and polyacrylic acid. The approach included the introduction of negative charges onto cellulose membranes by NaBr and TEMPO-catalysed oxidation which created anchoring sites for the positively charged PVAm. The antibacterial activity of the cellulose membranes were tested with the Gram-negative bacterium Escherichia coli as organism. A significant decrease in bacterial growth was observed with increasing number of polymeric bilayers (between three and six layers of cationic polymer) on the cellulose membranes. The antimicrobial property was ascribed to the modified PVAm.


Corresponding author. Department of Fibre and Polymer Technology, School of Chemical Science and Engineering, KTH, Royal Institute of Technology, SE-100 44 Stockholm, Sweden

Received: 2008-2-29
Accepted: 2008-10-23
Published Online: 2008-12-19
Published in Print: 2009-01-01

©2009 by Walter de Gruyter Berlin New York

Articles in the same Issue

  1. Editorial
  2. A report from the 2nd International Cellulose Conference (ICC 2007) in Tokyo
  3. Selected articles from the 2nd International Cellulose Conference (ICC 2007) in Tokyo
  4. Cellulosic aerogels as ultra-lightweight materials. Part 2: Synthesis and properties 2nd ICC 2007, Tokyo, Japan, October 25–29, 2007
  5. Oxidative modifications of cellulose in the periodate system – Reduction and beta-elimination reactions 2nd ICC 2007, Tokyo, Japan, October 25–29, 2007
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  9. Antimicrobial activity of polyelectrolyte multilayer-treated cellulose films 2nd ICC 2007, Tokyo, Japan, October 25–29, 2007
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