Experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures

The modulation of antimicrobial properties of nanomaterials can be achieved through various physical and chemical processes, which ultimately affect subsequent properties. In this study, the antibacterial potential of nano-silver was investigated at 0.5, 1.0, 2.0, and 3.0 g/L, and its differential t...

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Autores principales:	Tariq Munir, Arslan Mahmood, Fahad Shafiq, Muhammad Fakhar-e-Alam, Muhammad Atif, Ali Raza, Shafiq Ahmad, Khurram Saleem Alimgeer, Nadeem Abbas
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Antibacterial assay E. coli Nano-silver Solution evaporation method Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/dc6dee3cccc445bcbb9f179116b2a8cb
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spelling	oai:doaj.org-article:dc6dee3cccc445bcbb9f179116b2a8cb2021-11-20T04:57:22ZExperimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures1319-562X10.1016/j.sjbs.2021.09.058https://doaj.org/article/dc6dee3cccc445bcbb9f179116b2a8cb2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1319562X21008603https://doaj.org/toc/1319-562XThe modulation of antimicrobial properties of nanomaterials can be achieved through various physical and chemical processes, which ultimately affect subsequent properties. In this study, the antibacterial potential of nano-silver was investigated at 0.5, 1.0, 2.0, and 3.0 g/L, and its differential temperature synthesis was achieved at 20, 50, and 70 °C using the solvent evaporation method. Nano-silver particles exhibited FCC (octahedral) crystalline structure with crystallite sizes ranging between 28 and 39 nm calculated using XRD analysis. Moreover, irregular and non-uniform surface morphology was evident from SEM micrographs. The UV–Vis absorbance spectrum of nano-silver exhibited wave maxima at 433 nm, while the FTIR analysis depicted different modes of vibration indicating the CH, OH, C≡C, C-Cl, and CH2 functional groups attached to the surface. Lastly, nano-silver caused prominent inhibition (12.5 mm) in the Escherichia coli growth, particularly at 70 °C synthesis temperature and 3.0 g/L dose. It is concluded that both the nano-silver crystal growth temperature and dose contributed substantially to bacterial growth inhibition linked with subsequent size, shape-dependent properties.Tariq MunirArslan MahmoodFahad ShafiqMuhammad Fakhar-e-AlamMuhammad AtifAli RazaShafiq AhmadKhurram Saleem AlimgeerNadeem AbbasElsevierarticleAntibacterial assayE. coliNano-silverSolution evaporation methodBiology (General)QH301-705.5ENSaudi Journal of Biological Sciences, Vol 28, Iss 12, Pp 7561-7566 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Antibacterial assay E. coli Nano-silver Solution evaporation method Biology (General) QH301-705.5
spellingShingle	Antibacterial assay E. coli Nano-silver Solution evaporation method Biology (General) QH301-705.5 Tariq Munir Arslan Mahmood Fahad Shafiq Muhammad Fakhar-e-Alam Muhammad Atif Ali Raza Shafiq Ahmad Khurram Saleem Alimgeer Nadeem Abbas Experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures
description	The modulation of antimicrobial properties of nanomaterials can be achieved through various physical and chemical processes, which ultimately affect subsequent properties. In this study, the antibacterial potential of nano-silver was investigated at 0.5, 1.0, 2.0, and 3.0 g/L, and its differential temperature synthesis was achieved at 20, 50, and 70 °C using the solvent evaporation method. Nano-silver particles exhibited FCC (octahedral) crystalline structure with crystallite sizes ranging between 28 and 39 nm calculated using XRD analysis. Moreover, irregular and non-uniform surface morphology was evident from SEM micrographs. The UV–Vis absorbance spectrum of nano-silver exhibited wave maxima at 433 nm, while the FTIR analysis depicted different modes of vibration indicating the CH, OH, C≡C, C-Cl, and CH2 functional groups attached to the surface. Lastly, nano-silver caused prominent inhibition (12.5 mm) in the Escherichia coli growth, particularly at 70 °C synthesis temperature and 3.0 g/L dose. It is concluded that both the nano-silver crystal growth temperature and dose contributed substantially to bacterial growth inhibition linked with subsequent size, shape-dependent properties.
format	article
author	Tariq Munir Arslan Mahmood Fahad Shafiq Muhammad Fakhar-e-Alam Muhammad Atif Ali Raza Shafiq Ahmad Khurram Saleem Alimgeer Nadeem Abbas
author_facet	Tariq Munir Arslan Mahmood Fahad Shafiq Muhammad Fakhar-e-Alam Muhammad Atif Ali Raza Shafiq Ahmad Khurram Saleem Alimgeer Nadeem Abbas
author_sort	Tariq Munir
title	Experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures
title_short	Experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures
title_full	Experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures
title_fullStr	Experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures
title_full_unstemmed	Experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures
title_sort	experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/dc6dee3cccc445bcbb9f179116b2a8cb
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Experimental and theoretical analyses of nano-silver for antibacterial activity based on differential crystal growth temperatures

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