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Silver Nanoparticles Induce Time- and Tissue-Specific Genotoxicity in Oreochromis niloticus: Utilizing the Adsorptive Capacities of Fruit Peels to Minimize Genotoxicity

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Abstract

Fish were exposed to a sub-lethal concentration of silver nanoparticles with and without orange and banana peels water treatment for 24, 48, and 96 h. The adsorption of AgNPs on both peels was recognized by scanning electron microscopic, energy dispersive X-ray spectroscopy, and laser ablation imaging. The % of DNA damage in liver and muscle tissues (comet assay) showed significant elevations in all studied groups with the maximum level in liver tissues after 24 h. DNA damage was markedly decreased after 48, and 96 h signifying the presence of an effective repairing mechanism. Micronucleus and nine nuclear anomalies were recorded in the peripheral blood cells. All anomalies were observed in all studied groups with a maximum induction rate after 96 h. of exposure. Based on the % of DNA damage and the frequencies of nuclear anomalies, water treatment with orange and banana peel succeeded to reduce AgNPs-induced genotoxic damage.

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The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

This study was supported by the Researchers Supporting Project Number (RSP-2021/25), King Saud University, Riyadh, Saudi Arabia.

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All authors contributed to the study’s conception and design. Material preparation, data collection, and analysis were performed by AAA-K, SA-Q, and RA-G. The first draft of the manuscript was written by AAA-K and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Amr Adel Abdel-Khalek.

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Abdel-Khalek, A.A., Al-Quraishy, S. & Abdel-Gaber, R. Silver Nanoparticles Induce Time- and Tissue-Specific Genotoxicity in Oreochromis niloticus: Utilizing the Adsorptive Capacities of Fruit Peels to Minimize Genotoxicity. Bull Environ Contam Toxicol 108, 300–308 (2022). https://doi.org/10.1007/s00128-021-03342-0

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  • DOI: https://doi.org/10.1007/s00128-021-03342-0

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