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Cellulose–polymer–Ag nanocomposite fibers for antibacterial fabrics/skin scaffolds.
Raghavendra, Gownolla Malegowd Jayaramudu, Tippabattini Varaprasad, Kokkarachedu Sadiku, Rotimi Ray, S. Sinha Raju, Konduru Mohana
Raghavendra, Gownolla Malegowd
Jayaramudu, Tippabattini
Varaprasad, Kokkarachedu
Sadiku, Rotimi
Ray, S. Sinha
Raju, Konduru Mohana
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Abstract
Natural carbohydrates (polysaccharides): gum acacia (GA) and gaur gum (GG) were employed in dilute solutions: 0.3%, 0.5% and 0.7% (w/v), as effective reductants for the green synthesis of silver nanoparticles (AgNPs) from AgNO3. The formed AgNPs were impregnated into cellulose fibers after confirming their formation by utilizing ultraviolet–visible (UV–vis) spectral studies, Fourier transforms infrared (FTIR) and transmission electron microscopy (TEM). The surface morphology of the developed cellulose–silver nanocomposite fibers (CSNCFs) were examined with scanning electron microscope-energy dispersive spectroscopy (SEM-EDS). The thermal stability and mechanical properties of the CSNCFs were found to
be better than cellulose fibers alone. The antibacterial activity of the nanocomposites was studied by inhibition zone method against Escherichia coli, which suggested that the developed CSNCFs can function effectively as anti-microbial agents. Hence, the developed CSNCFs can effectively used for tissue scaffolding.
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Date
2012-12-25
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Elsevier
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Sadiku 142.pdf
Adobe PDF, 1.82 MB
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Keywords
Gum acacia, Gaur gum, Carbohydrates, Silver nanoparticles, Cellulose fibers, Antibacterial activity
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Attribution-NonCommercial-ShareAlike 4.0 International