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E-Journal of Chemistry
Volume 7, Issue 4, Pages 1334-1339
http://dx.doi.org/10.1155/2010/745120

Biosynthesis of Gold Nanoparticles (Green-gold) Using Leaf Extract of Terminalia Catappa

Balaprasad Ankamwar

Department of Chemistry, University of Pune, Ganeshkhind, Pune-411007, India

Received 5 February 2010; Accepted 2 April 2010

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The synthesis of eco-friendly nanoparticles is evergreen branch of nanoscience for biomedical application. Low cost of synthesis and non toxicity are main features make it more attractive potential option for biomedical field and elsewhere. Here, we report the synthesis of gold nanoparticles in aqueous medium using Terminalia catappa (Almond) leaf extract as the reducing and stabilizing agent. On treating chloroauric acid solutions with Terminalia catappa (TC) leaf extract rapid reduction of chloroaurate ions is observed leading to the formation of highly stable gold nanoparticles in solution. TEM analysis of the gold nanoparticles indicated that they ranged in size from 10 to 35 nm with average size of 21.9 nm.