Heavy Metal Detection and Antibacterial Activity of Phytosynthesized Copper oxide (CuO) Nanoparticles using Leaf Extract of Colocasia esculenta

Authors

  • Dibyarupa Pal Department of Biosciences, JIS University, Kolkata, 700109, India
  • Pratyasa Bandyopadhyay Department of Physics, JIS University, Kolkata, 700109, India
  • Souparna Bhowmick Department of Biosciences, JIS University, Kolkata, 700109, India
  • Pranabi Maji Department of Physics, JIS University, Kolkata, 700109, India

DOI:

https://doi.org/10.55863/ijees.2025.0524

Keywords:

CuO-NPs, Colocasia esculenta, phytosynthesis, heavy metal, detection, antibacterial

Abstract

Phytosynthesis of metal nanoparticles offers a facile and stable approach for their production and applications. In this study, CuO nanoparticles (CuO-NPs) were effectively synthesized using Colocasia esculenta plant leaf extract as a capping and bio-reducing agent. The spectroscopic analysis, XRD, confirmed the crystalline hexagonal primitive structure of the CuO-NPs with a crystal size of 42.14 nm, whereas the UV- VIS spectroscopy reflected the absorption peak at 260 nm. The CuO-NPs displayed significant potential for detecting and removing Pb2+ heavy metal from water with a detection limit of 29 µM. CuO-NPs exhibited excellent sensitivity and selectivity for Pb2+ in the presence of several interfering metals. The adsorption isotherm displayed the Langmuir working model for Pb2+ adsorption. Prominent antibacterial activity was also indicated by the phytosynthesized CuO-NPs against Gram-positive and Gram-negative bacteria, suggesting their prospective role for antimicrobial applications. Thus, the study highlights an easy, cost-effective, non-toxic way of synthesis of CuO-NPs utilizing the leaf waste of Colocasia esculenta, offering an insight into their probable applications for heavy metal detection and antimicrobial activity.

References

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Published

2024-11-26

How to Cite

Pal, D., Bandyopadhyay, P., Bhowmick, S., & Maji, P. (2024). Heavy Metal Detection and Antibacterial Activity of Phytosynthesized Copper oxide (CuO) Nanoparticles using Leaf Extract of Colocasia esculenta. International Journal of Ecology and Environmental Sciences, 51(1), 161–166. https://doi.org/10.55863/ijees.2025.0524

Issue

Vol. 51 No. 1 (2025): International Journal of Ecology and Environmental Sciences

Section

Articles

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Copyright (c) 2024 Dibyarupa Pal, Pratyasa Bandyopadhyay, Souparna Bhowmick, Pranabi Maji

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.