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Assessment of sacrificial anode impact by aluminum accumulation in mussel Mytilus edulis: A large-scale laboratory test

Abstract : Since the early 1960s, the application of aluminum alloy sacrificial anodes to mitigate marine corrosion has been well known. The aim of this work was to study aluminum bioconcentration in Mytilus edulis by an in vitro test performed in two tanks: the first containing non-contaminated water (NCW) and the second containing aluminum-contaminated water (CW) (530 μg L−1) released by sacrificial anode. The mussels were collected and examined over a period of 8 weeks. A comparison between the aluminum concentrations in the digestive glands of mussels from the CW and NCW tanks shows that the highest value (1700 mg/kg d.w.) was found in the CW mussels collected after 13 days. In NCW, the mean aluminum concentration in digestive glands during the test was 281 mg/kg d.w. The rapid concentration decrease in digestive glands is probably due to the inhibition of filtering activity due to valve closure at the high concentration as well as the induction of the detoxification response.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02314085
Contributeur : Christelle Caplat <>
Soumis le : vendredi 11 octobre 2019 - 17:18:50
Dernière modification le : vendredi 10 janvier 2020 - 01:33:07

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Andrea Mao, Marie-Laure Mahaut, Samuel Pineau, Daniel Barillier, Christelle Caplat. Assessment of sacrificial anode impact by aluminum accumulation in mussel Mytilus edulis: A large-scale laboratory test. Marine Pollution Bulletin, Elsevier, 2011, 62 (12), pp.2707-2713. ⟨10.1016/j.marpolbul.2011.09.017⟩. ⟨hal-02314085⟩

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