Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams
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....
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_02697491_v121_n1_p115_VerrengiaGuerrero |
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todo:paper_02697491_v121_n1_p115_VerrengiaGuerrero2023-10-03T15:14:14Z Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams Verrengia Guerrero, N.R. Taylor, M.G. Wider, E.A. Simkiss, K. 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 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. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_02697491_v121_n1_p115_VerrengiaGuerrero |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
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R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
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 |
| spellingShingle |
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 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 |
| topic_facet |
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 |
| description |
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. |
| format |
JOUR |
| author |
Verrengia Guerrero, N.R. Taylor, M.G. Wider, E.A. Simkiss, K. |
| author_facet |
Verrengia Guerrero, N.R. Taylor, M.G. Wider, E.A. Simkiss, K. |
| author_sort |
Verrengia Guerrero, N.R. |
| title |
Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams |
| title_short |
Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams |
| title_full |
Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams |
| title_fullStr |
Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams |
| title_full_unstemmed |
Influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams |
| title_sort |
influence of particle characteristics and organic matter content on the bioavailability and bioaccumulation of pyrene by clams |
| url |
http://hdl.handle.net/20.500.12110/paper_02697491_v121_n1_p115_VerrengiaGuerrero |
| work_keys_str_mv |
AT verrengiaguerreronr influenceofparticlecharacteristicsandorganicmattercontentonthebioavailabilityandbioaccumulationofpyrenebyclams AT taylormg influenceofparticlecharacteristicsandorganicmattercontentonthebioavailabilityandbioaccumulationofpyrenebyclams AT widerea influenceofparticlecharacteristicsandorganicmattercontentonthebioavailabilityandbioaccumulationofpyrenebyclams AT simkissk influenceofparticlecharacteristicsandorganicmattercontentonthebioavailabilityandbioaccumulationofpyrenebyclams |
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