Aloe-vera leaf extract as a green agent for the synthesis of CuO nanoparticles inactivating bacterial pathogens and dye

The present work describes the aloe-vera, as a green agent for the facile synthesis of copper oxide NPs and their deliberation for antibacterial and photocatalytic activities. The synthesis has been carried out at pH 11.5 and 70 °C with detailed characterization investigation through UV-spectroscopy...

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Vydáno v:Journal of dispersion science and technology Ročník 42; číslo 13; s. 1950 - 1962
Hlavní autoři: Sharma, Saurabh, Kumar, Kuldeep
Médium: Journal Article
Jazyk:angličtina
Vydáno: Philadelphia Taylor & Francis 02.11.2021
Taylor & Francis Ltd
Témata:
Aloe
Aloe-vera
antibacterial activity
copper oxide nanoparticle
Copper oxides
Degradation
Dyes
E coli
Electron microscopes
Hydrogen peroxide
Morphology
Nanoparticles
photo-catalyst
Spectrum analysis
Synthesis
transmission electron microscope
Ultraviolet radiation
X-ray spectroscopy
ISSN:0193-2691, 1532-2351
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Shrnutí:The present work describes the aloe-vera, as a green agent for the facile synthesis of copper oxide NPs and their deliberation for antibacterial and photocatalytic activities. The synthesis has been carried out at pH 11.5 and 70 °C with detailed characterization investigation through UV-spectroscopy, XRD (X-ray Diffraction), SEM (Scanning electron microscope), EDX (Energy-dispersive X-ray spectroscopy) and TEM (Transmission electron microscope) techniques. The study reveals the altered morphology of CuO NPs with a change in concentration of precursor. After characterization, CuO NPs with size 5-20 nm have been examined against pathogenic bacteria like Bacillus subtilis, Staphylococcus aureus, and Escherichia coli to calculate the zone of inhibition, MIC (minimum inhibitory concentration) and MBC (minimum bactericidal concentration). Photo-catalytic degradation has been performed in the presence of H 2 O 2 , which results in the degradation of MO (methyl orange) dye up to 96% in 24 min under exposure of UV light.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:0193-2691
1532-2351
DOI:10.1080/01932691.2020.1791719