Abstract
ANTIMICROBIAL POTENTIAL OF ZINC OXIDE NANOPARTICLES SYNTHESIZED FROM BROWN SEAWEED (TURBINARIA CONOIDES)

Khoushika Raajshree R. and Brindha Durairaj*

ABSTRACT

Green synthesis of metal nanoparticles is a novel method in the production of eco-friendly nanoparticles. In the present investigation, zinc oxide nanoparticles (ZnO-NP’s) are produced by zinc acetate utilizing the biocomponents of crude extract of Turbinaria conoides. Formation of ZnO-NP's has been confirmed by UV-Vis absorption spectroscopy and Scanning Electron Microscope with the Energy Dispersive X-ray studies (EDX). The antibacterial activity of Zinc oxide nanoparticles and the crude algal extract against gram positive (Staphylococcus aureus and Bacillus subtilis), gram negative (Escherichia coli and Pseudomonas aeroginosa) organisms and the antifungal activity against Candida albicans and Fusarium oxysporum were evaluated. Minimum inhibitory concentration (MIC) was also measured. The results revealed that the synthesized ZnO-NP possesses antimicrobial activity against the tested strains and MIC values showed maximum inhibition at lowest concentration.

Keywords: Turbinaria conoides, MIC values, antifungal, antibacterial.


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