Biosynthesis of silver nanoparticles using citrus sinensis peel extract and its antibacterial activity

S Kaviya, J Santhanalakshmi, B Viswanathan, J Muthumary, K Srinivasan
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy 2011, 79 (3): 594-8
Biosynthesis of silver nanoparticles (AgNPs) was achieved by a novel, simple green chemistry procedure using citrus sinensis peel extract as a reducing and a capping agent. The effect of temperature on the synthesis of silver nanoparticles was carried out at room temperature (25°C) and 60°C. The successful formation of silver nanoparticles has been confirmed by UV-vis, FTIR, XRD, EDAX, FESEM and TEM analysis and their antibacterial activity against Escherichia coli, Pseudomonas aeruginosa (gram-negative), and Staphylococcus aureus (gram-positive) has been studied. The results suggest that the synthesized AgNPs act as an effective antibacterial agent.

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