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Abstract:

Hydrophobic chemicals are known to associate with sediment particles including those from both suspended particulate matter and bottom deposits. The complex and variable composition of natural particles makes it very difficult therefore, to predict the bioavailability of sediment-bound contaminants. To overcome these problems we have previously devised a test system using artificial particles, with or without humic acids, for use as an experimental model of natural sediments. In the present work we have applied this experimental technique to investigate the bioavailability and bioaccumulation of pyrene by the freshwater fingernail clam Sphaerium corneum. The uptake and accumulation of pyrene in clams exposed to the chemical in the presence of a sample of natural sediment was also investigated. According to the results obtained, particle surface properties and organic matter content are the key factors for assessing the bioavailability and bioaccumulation of pyrene by clams. © 2002 Elsevier Science Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams
Autor:Verrengia Guerrero, N.R.; Taylor, M.G.; Wider, E.A.; Simkiss, K.
Filiación:Dept. of Biological Chemistry, Faculty of Exact and Natural Sciences, University of Buenos Aires, 1428 Buenos Aires, Argentina
School of Animal and Microbial Sciences, University of Reading, PO Box 228, Reading RG6 6AJ, United Kingdom
Palabras clave:Artificial particles; Humic acids; Particle-bound contaminants; Pyrene bioavailability; Sphaerium corneum; Impurities; Particles (particulate matter); Sediments; Bioaccumulation; Environmental engineering; humic acid; organic matter; pyrene; bioaccumulation; bioavailability; chemical pollutant; mollusc; organic matter; pyrene; sediment; article; bioaccumulation; bioavailability; chemical analysis; clam; controlled study; experimental model; freshwater environment; nonhuman; sediment; Absorption; Analysis of Variance; Animals; Biological Availability; Bivalvia; Geologic Sediments; Humic Substances; Particle Size; Pyrenes; Toxicity Tests; Water Pollutants, Chemical; Bivalvia; Sphaerium; Sphaerium corneum
Año:2003
Volumen:121
Número:1
Página de inicio:115
Página de fin:122
DOI: http://dx.doi.org/10.1016/S0269-7491(02)00197-5
Título revista:Environmental Pollution
Título revista abreviado:Environ. Pollut.
ISSN:02697491
CODEN:ENPOE
CAS:Humic Substances; Pyrenes; Water Pollutants, Chemical
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02697491_v121_n1_p115_VerrengiaGuerrero

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Citas:

---------- APA ----------
Verrengia Guerrero, N.R., Taylor, M.G., Wider, E.A. & Simkiss, K. (2003) . Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams. Environmental Pollution, 121(1), 115-122.
http://dx.doi.org/10.1016/S0269-7491(02)00197-5
---------- CHICAGO ----------
Verrengia Guerrero, N.R., Taylor, M.G., Wider, E.A., Simkiss, K. "Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams" . Environmental Pollution 121, no. 1 (2003) : 115-122.
http://dx.doi.org/10.1016/S0269-7491(02)00197-5
---------- MLA ----------
Verrengia Guerrero, N.R., Taylor, M.G., Wider, E.A., Simkiss, K. "Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams" . Environmental Pollution, vol. 121, no. 1, 2003, pp. 115-122.
http://dx.doi.org/10.1016/S0269-7491(02)00197-5
---------- VANCOUVER ----------
Verrengia Guerrero, N.R., Taylor, M.G., Wider, E.A., Simkiss, K. Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams. Environ. Pollut. 2003;121(1):115-122.
http://dx.doi.org/10.1016/S0269-7491(02)00197-5