Utilisation of Weed Species Ageratum conyzoides as Sources for Silver Nanoparticles and Exploring its Antibacterial Activity


Authors : YAMUNA. R, Dr. RAJA. S.

Volume/Issue : Volume 4 - 2019, Issue 2 - February

Google Scholar : https://goo.gl/DF9R4u

Scribd : https://goo.gl/o1kxG1

Thomson Reuters ResearcherID : https://goo.gl/KTXLC3

Weed plants are usually viewed as drawback species that interfere with agricultural productivity. This leads to these plants being eradicated occasionally indiscriminately while not considering their importance. This study analyzed the utilization of weed species Ageratum conyzoides in synthesis of silver nanoparticles for healthful purpose. In this study silver nanoparticles are synthesised by treating silver nitrate with liquid extract of A. conyzoides at room temperature. The result of the A. conyzoides liquid extract on the formation of silver nanoparticles was characterised by ultraviolet radiation visible spectrometry (UV-Vis), X-ray diffraction Spectrum (XRD), Scanning microscopy (SEM) and Energy Dispersive X-ray Analysis (EDX). Medicament activity was studied against Staphylococcus aureus, Bacillus subtilis, Helicobacter pylori and Aeromonas hydrophila. The UV spectra results showed a powerful resonance centre and surface of silver nanoparticles at 443 nm. XRD and SEM studies revealed that the synthesized nanoparticles showed spherical shape. The result obtained from antibacterial activity suggested that the test compound is a potential antimicrobial agent.

Keywords : Weed Plant, Ageratum Conyzoides, Silver Nanoparticles, Human Pathogens, Antibacterial Activity.

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