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Multifunctional CuO nanoparticles with enhanced photocatalytic dye degradation and antibacterial activity
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Multifunctional CuO nanoparticles with enhanced photocatalytic dye degradation and antibacterial activity
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Journal Article
Multifunctional CuO nanoparticles with enhanced photocatalytic dye degradation and antibacterial activity
2022
Overview
Rhizome extract of
Bergenia ciliata
was used as a bio-functional reducing material for the green synthesis of copper oxide nanoparticles (CuO NPs). CuO NPs were characterized using ultraviolet–visible spectroscopy, Fourier transforms infrared spectroscopy, X-ray diffraction (XRD), dynamic light scattering, scanning electron microscopy (SEM) and energy-dispersive X-ray analysis (EDX). XRD analysis revealed the monoclinic phase of synthesized CuO NPs with an average particle size of 20 nm. Spherical shaped nanoscale CuO particles were observed by EDX and SEM confirming the Cu and O presence in the synthesized NPs. CuO NPs showed antibacterial effects against
Bacillus subtilis, Staphylococcus aureus, Escherichia coli
,
Salmonella typhi
. The antioxidant effect was measured and IC
50
values for 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid (ABTS), 2,2-diphenyl-1-picrylhydrazyl and Ferric reducing antioxidant power assays were found to be 91.2, 72.4 and 109 μg mL
− 1
respectively. Under sunlight, the CuO NPs reported extraordinary photocatalytic activity against Methylene Blue and Methyl Red degradation with efficiencies of 92–85%. CuO NPs have excellent potential application for the photocatalytic degradation of organic pollutants and in the development of antibacterial materials. This study offers new insights in the field of inexpensive and green synthesis-based antimicrobial effective CuO photocatalysts from
B. ciliata
to remove harmful dyes from industrial-based waters with high degradation efficiency, which is environmentally friendly.
Publisher
BioMed Central,BMC
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