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Bioaccumulation of potentially toxic metals in four bivalve species from Ismailia, Egypt ecosystem in association with oxidative stress and biochemical defects

Article scientifique 2025 Anglais

Résumé

The study's purpose is to look into the bioaccumulation pattern of heavy metals (HMs) in bivalve species taken from Temsah Lake in Egypt's Ismailia region, as well as the relationship between oxidative stress and metabolic changes. Six heavy metals (HMs): cadmium (Cd), lead (Pb), manganese (Mn), chromium (Cr), tin (Sn), and mercury (Hg) were evaluated. The bivalve species were collected from five locations ofTemsah Lake during the winter and summer of 2020/2021. The measured heavy metal concentration was higher in bivalve tissues than in sediments. The bioconcentration factor (BCF) mean values of Cr for the following species: comb circe, surrclam, grooved carpet shell, and golden venus, respectively, showed great values of 208.28, 224.15, 224.91, and 142.55. These were followed by Pb (68.46, 49.66, 53.84, and 43.86) and Sn (24.59, 32.51, 23.13, and 64.86) for the aforementioned species. Increases in carbonyl protein (CP) and malondialdehyde (MDA) were seen in the tested metals.

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Abdel-Halim, K., Yousry, A., Frahat, A., El-Ghiet, U. (2025). Bioaccumulation of potentially toxic metals in four bivalve species from Ismailia, Egypt ecosystem in association with oxidative stress and biochemical defects. https://doi.org/10.62184/jafs.jafs1000202512

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Auteur(s)

Khaled Yassin Abdel-Halim Ahmed Yousry Amira A. A. Frahat Usama M. Abu El-Ghiet

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