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VOL. 5, ISSUE 3 (2023)
Green synthesis, characterization and larvicidal activity of CuNPs using Hygrophila Auriculata leaf extract against Aedes aegypti larva
Authors
Geetha Paramasivam, Kavitha Muthuramaligam
Abstract
Copper is a chemical element possess
high thermal and good electrical conductivity. The copper nanoparticle
synthesis is achieved due to the reduction of copper sulphate while the aqueous
leaf extract of Hygrophila auriculata. Preliminary phytochemical
analysis showed the presence of a maximum of phytochemicals in aqueous extracts
of Hygrophila auriculata. The synthesized Cu nanoparticles were
characterized by UV visible spectroscopy, Fourier Transform Infrared Spectroscopy
(FTIR), Scanning Electron Microscopy (SEM), EDAX and particle size analyzer.
Antimicrobial activity by agar well diffusion method revealed that aqueous
extract of nanoparticles showed maximum inhibitory activity against pathogenic
microorganisms such as Pseudomonas aeruginosa, Staphylococcus aureus,
Proteus vulgaris and Klebsiella pneumonia based on zone of
inhibition. The larvicidal activities were assessed for four days against the
larvae of Aedes aegypti with varying concentrations of aqueous extract
of Hygrophila auriculata and LC50 and LC90 values
were calculated.
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Pages:7-16
How to cite this article:
Geetha Paramasivam, Kavitha Muthuramaligam "Green synthesis, characterization and larvicidal activity of CuNPs using <i>Hygrophila Auriculata</i> leaf extract against <i>Aedes aegypti</i> larva". International Journal of Biotechnology and Microbiology, Vol 5, Issue 3, 2023, Pages 7-16
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