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Biointeractive fibres-antibacterial cellulose via polymer adsorption
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.ORCID iD: 0000-0003-1812-7336
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Fibre Technology.ORCID iD: 0000-0001-8622-0386
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
2011 (English)In: 16th International Symposium on Wood, Fiber and Pulping Chemistry - Proceedings, ISWFPC, 2011, 1378-1379 p.Conference paper, Published paper (Refereed)
Abstract [en]

The world is in desperate need of new methods for controlling microbial growth. Antibacterial surfaces, with antibacterial polymers irreversible attached, is a promising alternative. By targeting the bacterial membrane, the risk of evolving resistant bacteria is reduced. The attachment of the polymers prevents unwanted leaching and keeps a high, active surface concentration. The making of such surfaces does however involve harsh reaction conditions and is thus unsuitable for use in large scale. Using the polyelectrolyte multilayer (PEM) technique we here electrostatically adsorb cationic antibacterial polymers. This takes place in aqueous solutions and in room temperature, making it an appealing alternative. Previous studies performed in our group have focused on model surfaces to get fundamental knowledge about the multilayer properties. Here the PEMs are applied on cellulosic pulp and tested for antibacterial properties against E. coli and B. subtilis. The obtained material was found to be antibacterial against both bacterial strains. These antibacterial fibers, produced in a safe, sustainable process, will give opportunities for new products and new applications.

Place, publisher, year, edition, pages
2011. 1378-1379 p.
Series
ISWFPC, 2
Keyword [en]
Antibacterial surfaces, Cellulose modification, Polyelectrolyte multilayers, Active surfaces, Antibacterial polymers, Antibacterial properties, Bacterial membranes, Bacterial strains, Cellulosic pulps, E. coli, Microbial growth, Model surface, New applications, New product, Polyelectrolyte multilayer, Polymer adsorption, Reaction conditions, Resistant bacteria, Room temperature, Subtilis, Sustainable process, Adsorption, Cellulose, Escherichia coli, Fibers, Leaching, Multilayers, Polyelectrolytes, Polymers, Surfaces, Wood
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:kth:diva-149883Scopus ID: 2-s2.0-84855705297OAI: oai:DiVA.org:kth-149883DiVA: diva2:743741
Conference
16th International Symposium on Wood, Fiber and Pulping Chemistry, ISWFPC, 8 June 2011 through 10 June 2011, Tianjin
Note

QC 20140905

Available from: 2014-09-05 Created: 2014-08-28 Last updated: 2014-09-05Bibliographically approved

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Illergård, JosefinWågberg, Lars

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