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One-step Preparation of Antimicrobial Silver Nanoparticles in Polymer Matrix.

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    0443173 - ÚCHP 2016 RIV NL eng J - Journal Article
    Lyutakov, O. - Kalachyova, Y. - Solovyev, Andrey - Vytykačová, S. - Švanda, J. - Siegel, J. - Ulbrich, P. - Švorčík, V.
    One-step Preparation of Antimicrobial Silver Nanoparticles in Polymer Matrix.
    Journal of Nanoparticle Research. Roč. 17, č. 3 (2015), s. 120. ISSN 1388-0764. E-ISSN 1572-896X
    R&D Projects: GA ČR(CZ) GBP108/12/G108
    Institutional support: RVO:67985858
    Keywords : polymer * silver nanoparticles * antimicrobial test
    Subject RIV: JJ - Other Materials
    Impact factor: 2.101, year: 2015

    Simple one-step procedure for in situ preparation of silver nanoparticles (AgNPs) in the polymer thin films is described. Nanoparticles (NPs) were prepared by reaction of N-methyl pyrrolidone with silver salt in semi-dry polymer film and characterized by transmission electron microscopy, XPS, and UV–Vis spectroscopy techniques. Direct synthesis of NPs in polymer has several advantages; even though it avoids time-consuming NPs mixing with polymer matrix, uniform silver distribution in polymethylmethacrylate (PMMA) films is achieved without necessity of additional stabilization. The influence of the silver concentration, reaction temperature and time on reaction conversion rate, and the size and size-distribution of the AgNPs was investigated. Polymer films doped with AgNPs were tested for their antibacterial activity on Gram-negative bacteria. Antimicrobial properties of AgNPs/PMMA films were found to be depended on NPs concentration, their size and distribution. Proposed one-step synthesis of functional polymer containing AgNPs is environmentally friendly, experimentally simple and extremely quick. It opens up new possibilities in development of antimicrobial coatings with medical and sanitation applications.
    Permanent Link: http://hdl.handle.net/11104/0258329
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