NDLI: Comparative antibacterial activity of silver nanoparticles synthesised by biological and chemical routes with pluronic F68 as a stabilising agent

Content Provider	IET Digital Library
Author	Santos, Carolina Alves dos Seckler, Marcelo Martins Ingle, Avinash P. Rai, Mahendra
Abstract	The authors report the comparative antibacterial activity of silver nanoparticles synthesised by biological (using Fusarium oxysporum) and chemical routes in the presence and absence of pluronic F68 as a stabilising agent. The production of silver nanoparticles was evidenced by UV–visible spectra, with absorbance at about 420 nm in the case of both biological and chemical synthesis. X-ray diffraction pattern confirmed the presence of face-centred cubic structure (FCC plane). The nanoparticles characterised by transmission and scanning electron microscopy showed spherical silver nanoparticles with size range of 5–40 and 10–70 nm in the case of biologically and chemically synthesised nanoparticles, respectively. Addition of pluronic F68 showed the stabilisation of silver nanoparticles. Antibacterial efficacy of silver nanoparticles demonstrated different inhibitory activity against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus. Overall, biologically synthesised silver nanoparticles showed higher activity as compared with chemically synthesised nanoparticles. Silver nanoparticles synthesised in the presence of pluronic F68 by the chemical route exhibited synergism in antibacterial activity as compared with those synthesised without pluronic F68. On the contrary, biogenic silver nanoparticles without pluronic F68 showed higher antibacterial potential.
Starting Page	200
Ending Page	205
Page Count	6
ISSN	17518741
Volume Number	10
e-ISSN	1751875X
Issue Number	Issue 4, Aug (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-nbt/10/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-nbt.2015.0055
Journal	IET Nanobiotechnology
Publisher Date	2016-08-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Alloys Antibacterial Activity Antibacterial Efficacy Biogenic Silver Nanoparticles Biological Synthesis Biomedical Material Chemical Synthesis Comparative Antibacterial Activity Escherichia Coli Face-centred Cubic Structure FCC Plane Fusarium Oxysporum Material Preparation Method of Preparation of Material Nanofabrication Nanomedicine Nanoparticle Nanotechnology Application in Biomedicine Pluronic F68 Pseudomonas Aeruginosa Scanning Electron Microscopy Semimetals Silver Compound Size 10 Nm to 70 Nm Size 5 Nm to 40 Nm Spherical Silver NanoParticle Stabilising Agent Staphylococcus Aureus Synergism Transmission Electron Microscopy Ultraviolet Spectra UV-visible Spectra Visible And Ultraviolet Spectra of Metals Visible Spectra Wavelength 420 Nm X-Ray Diffraction X-Ray Diffraction Pattern
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering Biotechnology

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