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Antimicrobial activity of polyelectrolyte multilayer-treated cellulose films
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik, Träkemi och massateknologi.
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.ORCID-id: 0000-0001-8622-0386
2009 (engelsk)Inngår i: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 63, nr 1, s. 33-39Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

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.

sted, utgiver, år, opplag, sider
2009. Vol. 63, nr 1, s. 33-39
Emneord [en]
antimicrobial coating, cellulose, hydrophobically modified polymers, polyelectrolyte multilayers, polyvinylamine (PVAm), tempo-mediated oxidation, antibacterial properties, in-situ, surfaces, biocides, membranes, microorganisms, adsorption, adhesion, contact
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Identifikatorer
URN: urn:nbn:se:kth:diva-18166DOI: 10.1515/HF.2009.009ISI: 000263247700007Scopus ID: 2-s2.0-58149090324OAI: oai:DiVA.org:kth-18166DiVA, id: diva2:336212
Konferanse
2nd International Cellulose Conference (ICC 2007) Tokyo, JAPAN, OCT 25-29, 2007
Merknad
QC 20100525Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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