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Plant mediated synthesis of silver nanoparticles - tapping the unexploited sources | Abstract
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Journal of Natural Product and Plant Resources

Abstract

Plant mediated synthesis of silver nanoparticles - tapping the unexploited sources

Author(s): Aditi P. Kulkarni, Ankita A. Srivastava, Pravin M. Harpale and Rajendra S. Zunjarrao

To meet the increasing demands for commercial nanoparticles new eco-friendly “green” methods of synthesis are being discovered. Plant mediated synthesis of nanoparticles offers single step, easy extracellular synthesis of nanoparticles. Bryophytes show simple organization of the plant body and abundant during rainy season. They are easy to harvest and easy to make an extract. In this study, the plant extract was prepared in water and ethanol and treated with different concentrations of silver nitrate to obtain nanoparticles. The synthesis of nanoparticles was confirmed by change in colour from pale green to reddish brown. Further, a peak between 400nm to 440nm was obtained on UV-Vis spectrometer which confirmed the biosynthesis of silver nanoparticles. Presence of silver nanoparticles was observed after carrying out SE microscopy with EDS that gave a strong silver signal. Silver nanoparticles also showed antibacterial activity against four disease causing microorganisms.