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dc.contributor.authorPeszke, Jerzy-
dc.contributor.authorDulski, Mateusz-
dc.contributor.authorNowak, Anna-
dc.contributor.authorBalin, Katarzyna-
dc.contributor.authorZubko, Maciej-
dc.contributor.authorSułowicz, Sławomir-
dc.contributor.authorNowak, Barbara-
dc.contributor.authorPiotrowska-Seget, Zofia-
dc.contributor.authorTalik, Ewa-
dc.contributor.authorWojtyniak, Marcin-
dc.contributor.authorMrozek-Wilczkiewicz, Anna-
dc.contributor.authorMalarz, Katarzyna-
dc.contributor.authorSzade, Jacek-
dc.identifier.citationRSC Advances, iss. 45 (2017), s. 28092-28104pl_PL
dc.description.abstractThe paper reports a new route for the fabrication and determination of physicochemical properties and biological activity, of metallic silica-based nanostructure (Ag/SiO2, Cu/SiO2). A research studies shows mono-dispersed nanoparticles in silica matrix with an average size of 12 nm for silver, as well as 12 nm and 4 nm, respectively for copper in hydrophobic and hydrophilic silica composites. The chemical analysis highlights metallic silver and copper ions heterogeneously distributed in the composite as well as metallic oxides such as Ag2O, Cu2O and CuO in hydrophobic system, and CuO in hydrophilic one. Structural research evidences the presence of amorphous, stoichiometric and non-stoichiometric crystalline phase of silica. Biological studies reveal potentially inhibition of growth gram-positive and gram-negative bacteria as well as microscopic fungi. The size of metal nanoparticles and level of silica hydrophobicity show the highest inhibition bacterial growth for hydrophilic system with embedding inside them, 4 nm in size copper nanoparticles. Finally, cytotoxic interaction against human cells with respect to silver and copper silica-based nanocomposites was not found.pl_PL
dc.rightsUznanie autorstwa 3.0 Polska*
dc.rightsUznanie autorstwa 3.0 Polska*
dc.rightsUznanie autorstwa 3.0 Polska*
dc.subjectantimicrobial agentspl_PL
dc.subjectsilica-based nanostructurepl_PL
dc.titleUnique properties of silver and copper silica-based nanocomposites as antimicrobial agentspl_PL
dc.relation.journalRSC Advancespl_PL
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