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Abstract

BIOFABRICATION OF GOLD NANOPARTICLES BY COUROUPITA GUIANENSIS

R. Lavanya* and S. Ahmed John

ABSTRACT

In this present study, biofabrication and characterization of gold nanoparticles (AuNPs), and their application on human pathogenic bacteria and fungus were investigated. The AuNPs was prepared by the method of green synthesis using the extract of Couroupita guianensis. The formation and characterization of AuNPs were confirmed by UVVis spectroscopy, Fourier Infrared Spectroscopy (FTIR) energydispersive spectroscopy (EDX), X-ray diffraction (XRD) and Scanning electron microscope (SEM). The AuNPs were challenged against certain pathogenic bacterial and fungal strains. In antimicrobial activity, the AuNPs was most effective against Salmonella typhimurium while smaller effect was noticed from Micrococcus luteus.

Keywords: Biofabrication, Gold nanoparticles, Couroupita guianensis, antimicrobial activity.


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