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One-pot synthesis of cellulose-templated copper nanoparticles with antibacterial properties
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (FSCN Surface and Colloid Chemistry)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences. (FSCN Materials Physics)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (FSCN Surface and Colloid Chemistry)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
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2017 (English)In: Materials letters (General ed.), ISSN 0167-577X, E-ISSN 1873-4979, Vol. 187, 170-172 p.Article in journal (Refereed) Published
Abstract [en]

We report a facile in situ synthesis of spherical copper nanoparticles (NPs) templated by a gelled cellulose II matrix under alkaline aqueous reaction conditions. In under 20 min, the hybrid material could be obtained in a one-pot reaction. Field-emission scanning electron microscopy (FE-SEM) revealed that the polycrystalline NPs of 200–500 nm were well distributed in the regenerated cellulose matrix. The average Cu crystallite size was of the order of 20 nm, as estimated from both X-ray diffraction (XRD) and FE-SEM. XRD data also indicated that the composite contained up to approximately 20% Cu2O. In suspensions containing the hybrid material, growth of Escerichia coli and Staphylococcus aureus strains was inhibited by 80% and 95%, respectively, after 72 h. The synthesis procedure offers a general approach to designing various low-cost hybrid materials of almost any shape, and the concept could be extended to utilization areas such as catalysis, functional textiles, and food packaging as well as to electronic applications.

Place, publisher, year, edition, pages
2017. Vol. 187, 170-172 p.
Keyword [en]
One-pot synthesis, Copper nanoparticles, Cellulose, Hybrid material, Antibacterial properties
National Category
Nano Technology Chemical Engineering Composite Science and Engineering
Identifiers
URN: urn:nbn:se:miun:diva-29336DOI: 10.1016/j.matlet.2016.10.026ISI: 000390628200045Scopus ID: 2-s2.0-84994876232Local ID: FSCNOAI: oai:DiVA.org:miun-29336DiVA: diva2:1049258
Projects
NovoCell - Novel use of native cellulose in dispersions and functional biocomposites
Funder
Swedish Research Council Formas, 942-2015-251
Available from: 2016-11-24 Created: 2016-11-24 Last updated: 2017-02-06Bibliographically approved

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Eivazihollagh, AlirezaBäckström, JoakimDahlström, ChristinaCarlsson, FredrikIbrahem, IsmailLindman, BjörnEdlund, HåkanNorgren, Magnus
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Materials letters (General ed.)
Nano TechnologyChemical EngineeringComposite Science and Engineering

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