M. Venkatesham, D. Ayodhya, A. Madhusudhan, G. Veerabhadram
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Synthesis of Stable Silver Nanoparticles Using Gum Acacia as Reducing and Stabilizing Agent and Study of Its Microbial Properties: A Novel Green Approach
ABSTRACT Stable silver nanoparticles have been synthesized by using gum acacia, a natural biopolymer as both reducing and stabilizing agent. This reaction is carried out in an autoclave at a pressure of 15 Psi and a temperature of 120°C, for two min. The influence of change in concentrations of silver nitrate and acacia gum was studied on the formation of silver nanoparticles. The synthesized silver nanoparticles were characterized by UV-Visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and Transmission Electron Microscopy (TEM). The antimicrobial activity of silver nanoparticles was tested against E. coli and M. luteus and was found to possess inhibiting properties.
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