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Silver-Loaded Lyocell Fibers Modified by TEMPO-Mediated Oxidation
dc.creator | Praskalo-Milanović, J. Z. | |
dc.creator | Kostić, Mirjana | |
dc.creator | Dimitrijević-Branković, Suzana | |
dc.creator | Škundrić, Petar | |
dc.date.accessioned | 2021-03-10T11:17:11Z | |
dc.date.available | 2021-03-10T11:17:11Z | |
dc.date.issued | 2010 | |
dc.identifier.issn | 0021-8995 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1611 | |
dc.description.abstract | The purpose of this research was to accomplish antimicrobial properties in lyocell fibers by Ag+ ions sorption from aqueous silver nitrate solution. Sorption properties of lyocell fibers were improved by the selective TEMPO-mediated oxidation, i.e. oxidation with sodium hypochlorite and catalytic amount of sodium bromide and 2,2,6,6-tetramethylpiperidine-1-oxy radical (TEMPO). The most suitable experimental conditions for the selective TEMPO-mediated oxidation were determined by changing oxidation conditions: concentration of sodium hypochlorite, as well as duration of sorption. The obtained results showed that the maximum sorption capacity (0.809 mmol of Ag+ ions per gram of fibers) of modified lyocell fibers was obtained for the sample modified with 4.84 mmol NaClO per gram of cellulose, during 1 h. The antifungal activity of the TEMPO-oxidized lyocell fibers with silver ions against fungi from the Candida family, Candida albicans (ATCC 24433), and antibacterial activity against two strains: Staphylococcus aureus (ATCC 25923) and Escherichia coli (ATCC 25922) were confirmed in vitro. | en |
dc.publisher | Wiley, Hoboken | |
dc.relation | info:eu-repo/grantAgreement/MESTD/MPN2006-2010/19009/RS// | |
dc.rights | restrictedAccess | |
dc.source | Journal of Applied Polymer Science | |
dc.subject | lyocell fibers | en |
dc.subject | TEMPO-modification | en |
dc.subject | silver ion sorption | en |
dc.subject | swelling | en |
dc.subject | antimicrobial activity | en |
dc.title | Silver-Loaded Lyocell Fibers Modified by TEMPO-Mediated Oxidation | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 1779 | |
dc.citation.issue | 3 | |
dc.citation.other | 117(3): 1772-1779 | |
dc.citation.rank | M22 | |
dc.citation.spage | 1772 | |
dc.citation.volume | 117 | |
dc.identifier.doi | 10.1002/app.32128 | |
dc.identifier.scopus | 2-s2.0-77952283783 | |
dc.identifier.wos | 000278571200063 | |
dc.type.version | publishedVersion |