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Prof. Ashutosh Tiwari, Editor-in-Chief has been honoured Scientists with Adv Mater Lett Award 2013.

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Biocompatible Synthesis Of Silver And Gold Nanoparticles Using Leaf Extract Of Dalbergia Sissoo 

Chandan Singh, Ritesh K. Baboota, Pradeep Kr Naik, Harvinder Singh

Volume 3, Issue 4, Page 279-285 | DOI: 10.5185/amlett.2011.10312

Keywords: Dalbergia sissoo; gold nanoparticles; silver nanoparticles; polyshaped.

Abstract: 

This report presents a rapid, reproducible and a green biogenic approach for the biosynthesis of gold and silver nanoparticles using leaf extract of Dalbergia sissoo. The biomolecules present in the plant induced the reduction of Au3+ and Ag+ ions from HAuCl4 and AgNO3 respectively, which resulted in the formation of Dalbergia conjugated nanoparticles. The growth of nanoparticles was monitored by UV-vis spectrophotometer that demonstrated a peak at 545 and 425 nm corresponding to Plasmon absorbance of gold and silver nanoparticles respectively. The leaf extract was found to direct different shape and sized gold nanoparticles. Gold nanoparticles were 50-80 nm in size and their shape varied from spherical to few triangular and hexagonal polyshaped. While silver nanoparticle synthesized were spherical, in the range of 5-55 nm in size. X-ray diffraction studies corroborated that the biosynthesized nanoparticles were crystalline gold and silver. Fourier transform infra-red spectroscopy analysis revealed that biomolecules were involved in the synthesis and capping of silver nanoparticles and gold nanoparticles. Copyright © 2012 VBRI press.

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