"GREEN SYNTHESIS OF SILVER NANOPARTICLES WITH ANTIMICROBIAL AND AZO DYE DEGRADATION PROPERTIES USING PLUMBAGO INDICA LEAF EXTRACT"

Authors

D. Madheswari, Government Arts College for Women, Salem-8, Tamilnadu.

N. Chandrasekaran
Sri Vidya Mandir Arts and Science College, Katteri, Uthangarai, Tamilnadu.
Periyar University, Salem-11, Tamilnadu.

Abstract

The development of the biological synthesis of nanoparticles using microorganisms or plant extracts plays an important role in the field of nanotechnology as it is environmentally friendly and does not involve any harmful chemicals. In this study, the synthesis of silver nanoparticles using the leaves extract of Plumbago indica is reported. The synthesized nanoparticles were characterized using UV-vis spectroscopy, X-ray diffraction (XRD), Scanning electron microscopy (SEM), and Fourier transform infrared (FTIR) spectroscopy. The antibacterial activity of the synthesized silver nanoparticles was studied against the gram positive bacteria (Staphylococcus aureus, Bacillus cereus) and gram negative bacteria (Escherichia coli, Salmonella typhi). Silver nanoparticles synthesized from Plumbago indica leaf extract should have good catalytic activity for the degradation of a toxic azo dyes methyl orange. The application of the green synthesized nanoparticles can be used in many fields such as cosmetics, foods, and medicine.