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Spectral characterisation of the silver nanoparticles biosynthesised using Ambrosia maritima plant
2016 (English)In: Micro & Nano Letters, ISSN 1750-0443, E-ISSN 1750-0443, Vol. 11, no 6, 311-314 p.Article in journal (Refereed) PublishedText
Abstract [en]

Silver nanoparticles (AgNPs) were biosynthesised by reducing silver nitrate (AgNO3) using Ambrosia maritima aqueous leaves extract. The biosynthesised AgNPs were characterised by transmission electron microscope, Fourier transform infrared spectroscopy and zeta potential analyser. The nanoparticles were generally found to be spherical in shape with average size of 30 nm and were stable at zeta potential of -26.29 mV. The data collected by cyclic voltammetry, ultraviolet-visible (UV-Vis) spectrophotometer and spectrofluorophotometer proved the characteristic electrochemical and optical properties of the biosynthesised AgNPs. The metallic nanoparticles showed an anodic peak at 0.4 mV, a surface plasmon resonance peak at 437 nm and a fluorescence emission peak at the wavelength of 467 nm. In conclusion, AgNPs biosynthesised using A. maritima proved to be compatible and feasible to be studied further in in vitro and in vivo systems. Overall, the biosynthesised AgNPs can be used as a tool applied in a broad range of industrial and medical applications.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. Vol. 11, no 6, 311-314 p.
Keyword [en]
silver, nanoparticles, nanofabrication, transmission electron microscopy, Fourier transform infrared spectra, voltammetry (chemical analysis), ultraviolet spectra, visible spectra, surface plasmon resonance, fluorescence, spectral characterisation, silver nanoparticles, biosynthesis, Ambrosia maritima plant, silver nitrate, Ambrosia maritima aqueous leaves extract, Fourier transform infrared spectroscopy, zeta potential, cyclic voltammetry, ultraviolet-visible spectrophotometer, UV-vis spectrophotometer, electrochemical properties, optical properties, metallic nanoparticles, surface plasmon resonance peak, fluorescence emission peak, in vivo systems, in vitro systems, size 30 nm, wavelength 467 nm, Ag
National Category
Nano Technology
URN: urn:nbn:se:kth:diva-189944DOI: 10.1049/mnl.2015.0572ISI: 000378724100009ScopusID: 2-s2.0-84975138350OAI: diva2:950118

QC 20160727

Available from: 2016-07-27 Created: 2016-07-25 Last updated: 2016-07-27Bibliographically approved

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