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Abstract


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IJCPS JOURNAL-Vol 7, Special Issue 12 ICAFM (Part I), March 2018

Pages: 190-198

Green synthesis of cobalt nanoparticles, its characterization and antimicrobial

activities

Author: S. R. KUCHEKAR*, P.M.DHAGE, H. R. AHER, S. H HAN

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Abstract

In the present study, cobalt nanoparticles were synthesized by an recyclable and cost effective method using ocimum sanctum extract and characterized using various techniques such as UV-visible spectrophotometry, Fourier transform infrared spectrometry(FT-IR) and Scanning electron microscopy(SEM) coupled with Energy dispersive micro analysis(EDAX) and XRD. The spectroscopic methods confirmed the formation of cobalt nanoparticles and the microscopic technique confirmed the shape and size of the cobalt nanoparticles as spherical. Antibacterial activity of the synthesized nanoparticles was measured by zone inhibition method. The cobalt nanoparticles showed effective antibacterial activity against human pathogenic bacteria such as Pseudomonas Aeruginosa and Escherichia coli. The usage of plant extract for the preparation of Cobalt nanoparticle makes the process cost effective, non-hazardous and green method.

Keywords: Cobalt nanoparticles, ocimum sanctum leaf extract.

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