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Closed Access item Sublethal responses of the common mussel (Mytilus galloprovincialis) exposed to sodium hypochlorite and Mexel®432 used as antifoulants

Authors:López-Galindo, Cristina
Vargas-Chacoff, Luis
Nebot, Enrique
Casanueva, José F.
Rubio, Daniel
Mancera, Juan M.
Solé, Montserrat
Keywords:Mexel®432, Mytilus galloprovincialis, Sodium hypochlorite, Stress parameters
Issue Date:Jul-2010
Publisher:Elsevier
Citation:Ecotoxicology and Environmental Safety 73(5): 825-834(2010)
Abstract:The sublethal effects of two antifoulants currently used in power plant cooling systems were assessed in the common mussel Mytilus galloprovincialis. The concentrations of sodium hypochlorite (NaClO) and an alkyl amine surfactant (Mexel®432) assayed, were within the range of those currently discharged by power plants into receiving waters. Enzymatic activities and oxidative stress responses were measured in digestive gland and gill of mussels after 1, 3, 7 and 14 days of exposure, as well as histopathology in gill tissue. Both antifoulants caused a pathological response in gills and the activities of the enzymes glutathione S-transferase, catalase, acetylcholinesterase and the lipid peroxidation levels were also affected. Exposure to NaClO caused a greater toxicological response than Mexel®432. In both treatments, gills appeared to be the most affected tissue, although Mexel®432 also significantly affected digestive gland parameters.
Description:10 pages, 4 figures, 3 tables
Publisher version (URL):http://dx.doi.org/10.1016/j.ecoenv.2010.01.001
URI:http://hdl.handle.net/10261/25448
ISSN:0147-6513
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Appears in Collections:(ICM) Artículos

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