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International Journal of Research in Chemistry and Environment
The bark extract of Azadirachta indica (Neem) is rich in different types of plant secondary metabolites such as terpenoids, flavanoids, saponins, etc. We have demonstrated the use of the bark extract for the synthesis of gold nanoparticles in water at room temperature under very mild conditions. The synthesis of the gold nanoparticles was complete in several minutes and there was no need of additional stabilizing or capping agents. The gold nanoparticles were characterized by Surface Plasmonfatcat:z2seqtjp5jddrco26mrydb5hqa