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Open AccessArticle

Green Synthesized Copper Oxide Nanoparticles Ameliorate Defence and Antioxidant Enzymes in Lens culinaris

1
Department of Botany, Dinabandhu Andrews College, Garia, Kolkata 700084, India
2
Department of Botany, Scottish Church College, Kolkata 700006, India
3
Department of Botany, University of Kalyani, Kalyani, Nadia 741235, India
4
Molecular and Applied Mycology and Plant Pathology Laboratory, Centre of Advanced Study, Department of Botany, University of Calcutta, Kolkata 700019, India
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Nanomaterials 2020, 10(2), 312; https://doi.org/10.3390/nano10020312
Received: 26 December 2019 / Revised: 13 January 2020 / Accepted: 16 January 2020 / Published: 12 February 2020
Biosynthesis of copper oxide nanoparticles (CuONPs) in a cost-effective and eco-friendly way has gained its importance. CuONPs has been prepared from copper sulfate by using Adiantum lunulatum whole plant extract. CuONPs have been characterized by X-ray diffraction, Fourier transform infrared spectroscopic, transmission electron microscope, etc. Mono-disperse, spherical, pure, and highly stable CuONPs have formed with an average diameter of 6.5 ± 1.5 nm. Biosynthesized CuONPs at different concentrations were applied to seeds of Lens culinaris. Physiological characteristics were investigated in the germinated seeds. Roots obtained from the seeds treated with 0.025 mgmL−1 concentration of CuONPs showed highest activity of different defence enzymes and total phenolics. However, at higher concentration it becomes close to control. It showed gradual increase of antioxidative enzymes, in accordance with the increasing dose of CuONPs. Likewise, lipid peroxidation and proline content gradually increased with the increasing concentration. Reactive oxygen species and nitric oxide generation was also altered due to CuONPs treatment indicating stress signal transduction. Finally, this study provides a new approach of the production of valuable CuONPs, is a unique, economical, and handy tool for large scale saleable production which can also be used as a potent plant defence booster instead of other commercial uses. View Full-Text
Keywords: Adiantum lunulatum; antioxidative enzymes; copper oxide nanoparticles; defence enzymes; reactive oxygen species; nitric oxide; transmission electron microscope Adiantum lunulatum; antioxidative enzymes; copper oxide nanoparticles; defence enzymes; reactive oxygen species; nitric oxide; transmission electron microscope
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Sarkar, J.; Chakraborty, N.; Chatterjee, A.; Bhattacharjee, A.; Dasgupta, D.; Acharya, K. Green Synthesized Copper Oxide Nanoparticles Ameliorate Defence and Antioxidant Enzymes in Lens culinaris. Nanomaterials 2020, 10, 312.

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