Preparation and Characterization of PVA–Ag Nanocomposite Fibers with Antibacterial Activities
Poly(vinyl alcohol) (PVA)/silver (Ag) nanocomposite fibers were prepared by electrospinning in a one-pot process. The fibers were characterized by SEM, EDS, XRD and UV-Vis diffuse reflectance spectroscopy. The antibacterial activities of the nanofibers were investigated. The SEM images showed that the diameter of electrospun fibers with 10 wt% PVA attained average values around 90 nm. The X-ray diffraction patterns, the EDS spectrum and the UV-Vis diffuse reflectance spectra confirmed the presence of the silver nanoparticles on the fibers. These nanofibers showed good values of antibacterial activities against Staphylococcus aureus (87.8%) and Escherichia coli (85.0%).
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Document Type: Research Article
Publication date: June 1, 2010
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