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Sonochemical-assisted synthesis of copper oxide nanoparticles with the plant-mediated approach and comparative evaluation of some biological activities

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Abstract

The present study reported a green approach for the sonochemical-assisted synthesis (SAS) of copper oxide nanoparticles (CuO NPs) by using the aqueous extract of the Ficus johannis plant. The aqueous extract was obtained using ultrasonic-assisted extraction (15 min, 45 °C) and microwave-assisted extraction (15 min, 450 w). Next, the as-prepared extracts were used in a plant-mediated approach for the green synthesis of CuO NPs. The synthesized CuO NPs have been characterized via different techniques including X-ray diffraction (XRD), scanning electron microscopy (SEM), dynamic light scattering (DLS), ultraviolet–visible absorption, photoluminescence, and Fourier-transformed infrared (FT-IR) spectroscopic techniques. As observed, a broad absorption band around 375 nm clarified the successful synthesis of CuO NPs. From the SEM analysis, the average particle size of the prepared CuO NPs was estimated below 50 nm. In addition, the antimicrobial, antioxidant, and antifungal properties of the aqueous extracts as well as the as-prepared CuO NPs were evaluated by different assays. These included the release of protein, nucleic acids, disk diffusion method, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC), and time-killing assays.

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The first draft of the manuscript was written with data interpretation by Zinab Moradi Alvand. All authors contributed equally to the study conception and design of the revised article. Dr. Hamid Reza Rajabi and Prof. Ali Mirzaei to revise the manuscript and check all technical and grammatical mistakes in the manuscript. All authors read and approved the final revised manuscript.

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Correspondence to Hamid Reza Rajabi.

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Rajabi, H.R., Alvand, Z.M. & Mirzaei, A. Sonochemical-assisted synthesis of copper oxide nanoparticles with the plant-mediated approach and comparative evaluation of some biological activities. Environ Sci Pollut Res 30, 120236–120249 (2023). https://doi.org/10.1007/s11356-023-30684-5

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  • DOI: https://doi.org/10.1007/s11356-023-30684-5

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