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Issue 95, 2016, Issue in Progress
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PVA/PANI/rGO ternary electrospun mats as metal-free anti-bacterial substrates

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Abstract

Successful performance of biocompatible hybrid systems in various biomedical applications such as wound healing patches, and scaffolds for stem cell preparation have been reported. However, relatively poor structural properties and further bacterial infection have been the major drawbacks for their commercialization. In order to improve the antimicrobial property of such structures, transition metals have been previously added to the media. However, the potential risk of metal pollution as well as hardship of processing has put this approach into obsolescence. Herein the ternary polyvinyl alcohol/reduced graphene oxide/polyaniline fibrous nanocomposites, as substitute for transition metal-containing nanocomposites, were prepared via electrospinning. The mats' structural properties (e.g. rheological, morphological, electrical and mechanical properties) and their antibacterial properties against E. coli bacteria cultures after two different treatments (including thermal and acid doping approaches) were systematically investigated. It was shown that in addition to significant structural improvement, an over 80% antibacterial property enhancement in treated mats in comparison to pristine PVA fibers were achieved. Finally the interaction and main effect analyses were used for suggesting the optimum antibacterial specimen conditions.

Graphical abstract: PVA/PANI/rGO ternary electrospun mats as metal-free anti-bacterial substrates

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Supplementary files

Article information


Submitted
29 Jun 2016
Accepted
16 Sep 2016
First published
21 Sep 2016

RSC Adv., 2016,6, 92434-92442
Article type
Paper

PVA/PANI/rGO ternary electrospun mats as metal-free anti-bacterial substrates

S. Ghobadi, S. Mehraeen, R. Bakhtiari, B. Shamloo, V. Sadhu, M. Papila, F. Ç. Cebeci and S. A. Gürsel, RSC Adv., 2016, 6, 92434
DOI: 10.1039/C6RA16785C

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