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Hybrid nanostructured Ag/ZnO decorated powder cellulose fillers for medical plastics with enhanced surface antibacterial activity

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dc.title Hybrid nanostructured Ag/ZnO decorated powder cellulose fillers for medical plastics with enhanced surface antibacterial activity en
dc.contributor.author Bažant, Pavel
dc.contributor.author Kuřitka, Ivo
dc.contributor.author Münster, Lukáš
dc.contributor.author Machovský, Michal
dc.contributor.author Kožáková, Zuzana
dc.contributor.author Sáha, Petr
dc.relation.ispartof Journal of Materials Science: Materials in Medicine
dc.identifier.issn 0957-4530 OCLC, Ulrich, Sherpa/RoMEO, JCR
dc.date.issued 2014
utb.relation.volume 25
utb.relation.issue 11
dc.citation.spage 2501
dc.citation.epage 2512
dc.type article
dc.language.iso en
dc.publisher Springer New York LLC
dc.identifier.doi 10.1007/s10856-014-5274-5
dc.relation.uri http://link.springer.com/article/10.1007/s10856-014-5274-5
dc.description.abstract Hybrid inorganic–organic fillers based on nanostructured silver/zinc oxide decorations on micro-cellulose carrier particles were prepared by stepwise microwave assisted hydrothermal synthesis using soluble salts as precursors of silver and zinc oxide. Hexamethylenetetramine was used as precipitating agent for zinc oxide and reducing agent for silver. The inorganics covered all available surfaces of the cellulose particles with a morphology resembling a coral reef. Prepared particulate fillers were compounded to medical grade poly(vinyl chloride) matrix. Scanning electron microscopy and powder X-ray diffractometry were used to investigate the morphology and crystalline phase structure of fillers. The scanning electron microscopy was used for morphological study of composites. With respect to prospective application, the composites were tested on electrical and antibacterial properties. A small effect of water absorption in polymer composites on their dielectric properties was observed but no adverse effect of water exposure on prepared materials was manifested. Electrical conductivity of fillers and composites was measured and no influence of water soaking of composites was found at all. The surface antibacterial activity of prepared composites was evaluated according to the standard ISO 22196. Excellent performance against Escherichia coli and very high against Staphylococcus aureus was achieved. en
utb.faculty University Institute
dc.identifier.uri http://hdl.handle.net/10563/1003938
utb.identifier.obdid 43872190
utb.identifier.scopus 2-s2.0-84910113657
utb.identifier.wok 000343927300005
utb.identifier.coden JSMME
utb.source j-scopus
dc.date.accessioned 2015-01-13T09:25:47Z
dc.date.available 2015-01-13T09:25:47Z
dc.description.sponsorship Operational Program Research and Development for Innovations - European Regional Development Fund (ERDF); national budget of Czech Republic [CZ.1.05/2.1.00/03.0111, CZ.1.07/2.3.00/20.0104]; Operational Program Education for Competitiveness - European Social Fund (ESF); Internal Grant Agency of Tomas Bata University in Zlin [IGA/FT/2014/008]
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Bažant, Pavel
utb.contributor.internalauthor Kuřitka, Ivo
utb.contributor.internalauthor Münster, Lukáš
utb.contributor.internalauthor Machovský, Michal
utb.contributor.internalauthor Kožáková, Zuzana
utb.contributor.internalauthor Sáha, Petr
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