Antimicrobial Properties of Chitosan-Alumina/f-MWCNT Nanocomposites

Antimicrobial Properties of Chitosan-Alumina/f-MWCNT Nanocomposites

Antimicrobial chitosan-alumina/functionalized-multiwalled carbon nanotube (f-MWCNT) nanocomposites were prepared by a simple phase inversion method. Scanning electron microscopy (SEM) analyses showed the change in the internal morphology of the composites and energy dispersive spectroscopy (EDS) con...

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Main Authors: Monaheng Masheane, Lebea Nthunya, Soraya Malinga, Edward Nxumalo, Tobias Barnard, Sabelo Mhlanga
Format: Article
Language:English
Published: Hindawi Limited 2016-01-01
Series:Journal of Nanotechnology
Online Access:http://dx.doi.org/10.1155/2016/5404529
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spelling doaj-807139d3d1544bad89816ed845502fe32020-11-24T23:03:34ZengHindawi LimitedJournal of Nanotechnology1687-95031687-95112016-01-01201610.1155/2016/54045295404529Antimicrobial Properties of Chitosan-Alumina/f-MWCNT NanocompositesMonaheng Masheane0Lebea Nthunya1Soraya Malinga2Edward Nxumalo3Tobias Barnard4Sabelo Mhlanga5Department of Applied Chemistry and the DST/Mintek Nanotechnology Innovation Centre-Water Research Node, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South AfricaDepartment of Applied Chemistry and the DST/Mintek Nanotechnology Innovation Centre-Water Research Node, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South AfricaDepartment of Applied Chemistry and the DST/Mintek Nanotechnology Innovation Centre-Water Research Node, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South AfricaNanotechnology and Water Sustainability Research Unit, College of Science, Engineering and Technology, University of South Africa, Florida, Johannesburg 1709, South AfricaWater and Health Research Centre, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South AfricaNanotechnology and Water Sustainability Research Unit, College of Science, Engineering and Technology, University of South Africa, Florida, Johannesburg 1709, South AfricaAntimicrobial chitosan-alumina/functionalized-multiwalled carbon nanotube (f-MWCNT) nanocomposites were prepared by a simple phase inversion method. Scanning electron microscopy (SEM) analyses showed the change in the internal morphology of the composites and energy dispersive spectroscopy (EDS) confirmed the presence of alumina and f-MWCNTs in the chitosan polymer matrix. Fourier transform infrared (FTIR) spectroscopy showed the appearance of new functional groups from both alumina and f-MWCNTs, and thermogravimetric analysis (TGA) revealed that the addition of alumina and f-MWCNTs improved the thermal stability of the chitosan polymer. The presence of alumina and f-MWCNTs in the polymer matrix was found to improve the thermal stability and reduced the solubility of chitosan polymer. The prepared chitosan-alumina/f-MWCNT nanocomposites showed inhibition of twelve strains of bacterial strains that were tested. Thus, the nanocomposites show a potential for use as a biocide in water treatment for the removal of bacteria at different environmental conditions.http://dx.doi.org/10.1155/2016/5404529
collection DOAJ
language English
format Article
sources DOAJ
author Monaheng Masheane
Lebea Nthunya
Soraya Malinga
Edward Nxumalo
Tobias Barnard
Sabelo Mhlanga
spellingShingle Monaheng Masheane
Lebea Nthunya
Soraya Malinga
Edward Nxumalo
Tobias Barnard
Sabelo Mhlanga
Antimicrobial Properties of Chitosan-Alumina/f-MWCNT Nanocomposites
Journal of Nanotechnology
author_facet Monaheng Masheane
Lebea Nthunya
Soraya Malinga
Edward Nxumalo
Tobias Barnard
Sabelo Mhlanga
author_sort Monaheng Masheane
title Antimicrobial Properties of Chitosan-Alumina/f-MWCNT Nanocomposites
title_short Antimicrobial Properties of Chitosan-Alumina/f-MWCNT Nanocomposites
title_full Antimicrobial Properties of Chitosan-Alumina/f-MWCNT Nanocomposites
title_fullStr Antimicrobial Properties of Chitosan-Alumina/f-MWCNT Nanocomposites
title_full_unstemmed Antimicrobial Properties of Chitosan-Alumina/f-MWCNT Nanocomposites
title_sort antimicrobial properties of chitosan-alumina/f-mwcnt nanocomposites
publisher Hindawi Limited
series Journal of Nanotechnology
issn 1687-9503
1687-9511
publishDate 2016-01-01
description Antimicrobial chitosan-alumina/functionalized-multiwalled carbon nanotube (f-MWCNT) nanocomposites were prepared by a simple phase inversion method. Scanning electron microscopy (SEM) analyses showed the change in the internal morphology of the composites and energy dispersive spectroscopy (EDS) confirmed the presence of alumina and f-MWCNTs in the chitosan polymer matrix. Fourier transform infrared (FTIR) spectroscopy showed the appearance of new functional groups from both alumina and f-MWCNTs, and thermogravimetric analysis (TGA) revealed that the addition of alumina and f-MWCNTs improved the thermal stability of the chitosan polymer. The presence of alumina and f-MWCNTs in the polymer matrix was found to improve the thermal stability and reduced the solubility of chitosan polymer. The prepared chitosan-alumina/f-MWCNT nanocomposites showed inhibition of twelve strains of bacterial strains that were tested. Thus, the nanocomposites show a potential for use as a biocide in water treatment for the removal of bacteria at different environmental conditions.
url http://dx.doi.org/10.1155/2016/5404529
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AT lebeanthunya antimicrobialpropertiesofchitosanaluminafmwcntnanocomposites
AT sorayamalinga antimicrobialpropertiesofchitosanaluminafmwcntnanocomposites
AT edwardnxumalo antimicrobialpropertiesofchitosanaluminafmwcntnanocomposites
AT tobiasbarnard antimicrobialpropertiesofchitosanaluminafmwcntnanocomposites
AT sabelomhlanga antimicrobialpropertiesofchitosanaluminafmwcntnanocomposites
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