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Research Paper | Nanotechnology | India | Volume 7 Issue 3, March 2018 | Popularity: 7.2 / 10

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Green Synthesize and Characterization of the Plant Mediated Silver Nanoparticles Using Solanumnigrum Leaf Extract

K. Velvizhi, S. Ravi

Abstract: Green synthesis of silver nanoparticles using medicine plant extracts has gained keen interest due to their unique attractive physiochemical properties and surface to volume ratio. Hence, in the present study, medicinal plant Solanum nigrum (SN) aqueous leaf extract has been used to produce the silver nanoparticles (Ag NPs). The crystal structure and size of nanoparticle has been studied by using X-ray diffraction and transmission electron microscopy analysis. The calculated particle size is found to be around 20 nm, therefore, this can be used in vivo and in vitro biomedical applications. The silver nanoparticles reveal good antibacterial activities against both gram positive (Staphylococcus aureus) and gram negative (Escherichia coli) microorganisms. UV-Visible spectroscopy exhibited the absorbance peaks in the range of 430 nm. Compounds adsorbed on the surface of the silver nanoparticles was studied by FTIR analysis. Results confirmed that this method is a simple, cost effective, fast, eco-friendly, nontoxic and an alternative conventional physical/chemical methods.

Keywords: Green synthesis, Ag NPs, Antibacterial activities, Plant extract

Edition: Volume 7 Issue 3, March 2018

Pages: 875 - 879

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