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Copper uptake by the marine mussel, Mytilus edulis in the presence of fulvic acids
Sánchez-Marín, P.; Lorenzo, J.I.; Mubiana, V.K.; Blust, R.; Beiras, R. (2012). Copper uptake by the marine mussel, Mytilus edulis in the presence of fulvic acids. Environ. Toxicol. Chem. 31(8): 1807-1813. hdl.handle.net/10.1002/etc.1874
In: Environmental Toxicology and Chemistry. Setac Press: New York. ISSN 0730-7268, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 237791 [ OMA ]

Keyword
    Marine
Author keywords
    Dissolved organic matter; Fulvic acids; Mussels; Copper; Bioaccumulation

Authors  Top 
  • Sánchez-Marín, P.
  • Lorenzo, J.I., more
  • Mubiana, V.K., more
  • Blust, R., more
  • Beiras, R.

Abstract
    Copper uptake and accumulation by the marine mussel Mytilus edulis were studied at different Cu concentrations in chemically defined artificial seawater in the presence and absence of fulvic acids. Both short-term uptake of Cu by excised mussel gills and Cu accumulation in whole mussels after 24?h of exposure decreased in the presence of fulvic acids compared with their absence at similar dissolved Cu concentrations. Calculations of Cu speciation based on previous measurements of labile Cu by anodic stripping voltammetry demonstrated that Cu uptake and accumulation depended on the concentration of labile Cu, in agreement with the free ion activity model. No evidence of a significant uptake of Cu–fulvic acid complexes was observed.

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