Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia Coli

In this research, a simple and fast method was employed to synthesize CuO nanoleaves/silica gel nanocomposites (CuO/SGn), which is a cost effective antimicrobial material. CuSO4.5H2O is the only raw material used in CuO/SGn production through the molten salt method. The structure and morphology of t...

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Main Authors: Mohammad Ghorbanpour, Mohsen Moghimi, Samaneh Lotfiman
Format: Article
Language:English
Published: Iranian Environmental Mutagen Society 2017-04-01
Series:Journal of Water and Environmental Nanotechnology
Subjects:
Online Access:http://www.jwent.net/article_25071_1f34faba17b6959a5b067210e9782e98.pdf
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spelling doaj-3b19566131194c118d47169fbb811a292021-02-17T13:34:14ZengIranian Environmental Mutagen SocietyJournal of Water and Environmental Nanotechnology2476-72042476-66152017-04-012211211710.22090/jwent.2017.02.00625071Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia ColiMohammad Ghorbanpour0Mohsen Moghimi1Samaneh Lotfiman2Chemical Engineering Department, University of Mohaghegh Ardabili, Ardabil, IranChemical Engineering Department, University of Mohaghegh Ardabili, Ardabil, IranChemical Engineering Department, University of Mohaghegh Ardabili, Ardabil, IranIn this research, a simple and fast method was employed to synthesize CuO nanoleaves/silica gel nanocomposites (CuO/SGn), which is a cost effective antimicrobial material. CuSO4.5H2O is the only raw material used in CuO/SGn production through the molten salt method. The structure and morphology of the nanocomposites were characterized by DRS, XRD, and SEM. The copper size in CuO/SG was found to be dependent on the immersion time in molten salt. SEM images revealed smaller-sized particle leaves, from a sample obtained after longer immersion time.The antimicrobial activity of CuO/SGn was investigated against Escherichia coli. The produced CuO/SGn showed inhibitory effect against E. coli. However, the growth-inhibitory effect depends on the copper content and size. Lower loading of CuO nanoparticles in 10 min immersion time resulted in less antibacterial activity (73.33%) and sample obtained from longer immersion time demonstrated higher antibacterial activity (up to 99.96%). The maximum amount of released Cu ions from nanocomposites produced in 90 min was 12.2 ppm after 6 h.  Furthermore, the minimum release of Cu ions was observed by 3 h for 40 min nnanocomposite.http://www.jwent.net/article_25071_1f34faba17b6959a5b067210e9782e98.pdfantimicrobial activitycopper oxidenanoleafsilica
collection DOAJ
language English
format Article
sources DOAJ
author Mohammad Ghorbanpour
Mohsen Moghimi
Samaneh Lotfiman
spellingShingle Mohammad Ghorbanpour
Mohsen Moghimi
Samaneh Lotfiman
Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia Coli
Journal of Water and Environmental Nanotechnology
antimicrobial activity
copper oxide
nanoleaf
silica
author_facet Mohammad Ghorbanpour
Mohsen Moghimi
Samaneh Lotfiman
author_sort Mohammad Ghorbanpour
title Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia Coli
title_short Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia Coli
title_full Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia Coli
title_fullStr Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia Coli
title_full_unstemmed Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia Coli
title_sort silica-supported copper oxide nanoleaf with antimicrobial activity against escherichia coli
publisher Iranian Environmental Mutagen Society
series Journal of Water and Environmental Nanotechnology
issn 2476-7204
2476-6615
publishDate 2017-04-01
description In this research, a simple and fast method was employed to synthesize CuO nanoleaves/silica gel nanocomposites (CuO/SGn), which is a cost effective antimicrobial material. CuSO4.5H2O is the only raw material used in CuO/SGn production through the molten salt method. The structure and morphology of the nanocomposites were characterized by DRS, XRD, and SEM. The copper size in CuO/SG was found to be dependent on the immersion time in molten salt. SEM images revealed smaller-sized particle leaves, from a sample obtained after longer immersion time.The antimicrobial activity of CuO/SGn was investigated against Escherichia coli. The produced CuO/SGn showed inhibitory effect against E. coli. However, the growth-inhibitory effect depends on the copper content and size. Lower loading of CuO nanoparticles in 10 min immersion time resulted in less antibacterial activity (73.33%) and sample obtained from longer immersion time demonstrated higher antibacterial activity (up to 99.96%). The maximum amount of released Cu ions from nanocomposites produced in 90 min was 12.2 ppm after 6 h.  Furthermore, the minimum release of Cu ions was observed by 3 h for 40 min nnanocomposite.
topic antimicrobial activity
copper oxide
nanoleaf
silica
url http://www.jwent.net/article_25071_1f34faba17b6959a5b067210e9782e98.pdf
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AT mohsenmoghimi silicasupportedcopperoxidenanoleafwithantimicrobialactivityagainstescherichiacoli
AT samanehlotfiman silicasupportedcopperoxidenanoleafwithantimicrobialactivityagainstescherichiacoli
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