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电纺丝制备聚（乙烯醇）纳米纤维垫掺杂狭分散的银纳米颗粒的简易与环保制造法

 

Authors Lin S, Wang RZ, Yi Y, Wang Z, Hao LM, Wu JH, Hu GH, He H

Published Date August 2014 Volume 2014:9(1) Pages 3937—3947

DOI http://dx.doi.org/10.2147/IJN.S64985

Received 27 March 2014, Accepted 24 May 2014, Published 18 August 2014

Abstract: Submicrometer-scale poly(vinyl alcohol) (PVA) nanofibrous mats loaded with aligned and narrowly dispersed silver nanoparticles (AgNPs) are obtained via the electrospinning process from pure water. This facile and green procedure did not need any other chemicals or organic solvents. The doped AgNPs are narrowly distributed, 4.3±0.7 nm and their contents on the nanofabric mats can be easily tuned via in situ ultraviolet light irradiation or under preheating conditions, but with different particle sizes and size distributions. The morphology, loading concentrations, and dispersities of AgNPs embedded within PVA nanofiber mats are characterized by transmission electron microscopy, scanning electron microscopy, energy dispersive X-ray spectroscopy, ultraviolet-visible spectra, X-ray photoelectron spectroscopy, and X-ray diffraction, respectively. Moreover, the biocidal activities and cytotoxicity of the electrospun nanofiber mats are determined by zone of inhibition, dynamic shaking method, and cell counting kit (CCK)-8 assay tests.
Keywords: electrospinning, silver nanoparticles, polyvinyl alcohol, nanocomposites, bioactivity






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