članak: 1 od 1  
Journal of the Serbian Chemical Society
2009, vol. 74, br. 3, str. 349-357
jezik rada: engleski
izvorni naučni članak
doi:10.2298/JSC0903349I
Proučavanje antibakterijske efikasnosti i promene obojenja poliamidnih i poliestarskih tkanina modifikovanih koloidnim nanočesticama srebra
Ilić Vesnaa, Šaponjić Zoranb, Vodnik Vesnab, Mihailović Darkaa, Jovančić Petara, Nedeljković Jovanb, Radetić Majaa
aUniverzitet u Beogradu, Tehnološko-metalurški fakultet, Katedra za tekstilno inženjerstvo
bInstitut za nuklearne nauke Vinča

e-adresa: maja@tmf.bg.ac.rs

Projekat Ministarstva nauke Republike Srbije, br. Eureka project E! 4043 i br. 142066

Sažetak

Cilj ovog rada je da se utvrdi uticaj bojenja na antibakterijsku efikasnost poli-amidnih i poliestarskih tkanina modifikovanih koloidnim nanočesticama srebra kao i uticaj prisustva srebra na promenu obojenja bojenih tkanina. Boje C.I. acid green 25 i C.I. disperse blue 3 su korišćene za bojenje poliamidnih tkanina, a boja C.I. disperse violet 8 za poliestarske tkanine. Promena obojenja poliamidnih tkanina zavisi od tipa boje, ali je generalno manja u poređenju sa poliestarskim tkaninama. Antibakterijska efikasnost tkanina modifikovanih srebrom je testirana na Gram-pozitivne bakterije Staphylococcus aureus i Gram-negativne bakterije Escherichia coli. Poliestarske tkanine pokazuju odličnu antibakterijsku efikasnost nezavisno od redosleda bojenja i nanošenja srebra. Da bi poli-amidna tkanina obezbedila željeni nivo antibakterijske aktivnosti, neophodno je naneti srebro posle bojenja. Morfologija vlakana modifikovanih nančesticama srebra utvrđena je SEM analizom, dok je za elementarnu analizu korišćena atomska apsorpciona spektrometrija.

Ključne reči

Ag nanoparticles; polyester; polyamide; antibacterial efficiency; color change

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