Journal ArticleDOI
Distribution of pcb congeners in aquatic ecosystems: A case study
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TLDR
Congener physical and chemical parameters, different degradation rates, feeding habits, and mobility of the analysed aquatic organisms, metabolism, and excretion mechanisms, are to be considered to explain the distinctive PCB patterns of different samples.About:
This article is published in Environment International.The article was published on 1997-11-01. It has received 52 citations till now. The article focuses on the topics: Congener & Bioaccumulation.read more
Citations
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Levels of polychlorinated biphenyls and organochlorine pesticides in some edible marine organisms from the Central Adriatic Sea.
TL;DR: The results have shown that species such as anchovy, pilchard and mackerel, were the most polluted due to their location at the last level of the trophic chain, suggested that the biotransformation rate of pollutants was very efficacious in fish and above all in crustaceans.
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Toxicokinetic variation in 15 freshwater arthropod species exposed to the insecticide chlorpyrifos
TL;DR: Variation in the TK of aquatic arthropod species has implications for the development of TKTD approaches in ERA, including assessing fluctuating exposure concentrations and the interpretation of observed toxicity responses in the laboratory and in the field.
Journal ArticleDOI
Aliphatic hydrocarbons, polycyclic aromatic hydrocarbons, polychlorinated biphenyls, organochlorine, and organophosphorous pesticides in surface sediments from the Arc river and the Berre lagoon, France.
Fehmi Kanzari,Agung Dhamar Syakti,Agung Dhamar Syakti,Laurence Asia,Laure Malleret,Gilbert Mille,Bassem Jamoussi,Manef Abderrabba,Pierre Doumenq +8 more
TL;DR: The evaluations suggest the sources of hydrocarbons in the sediments were generally biogenic and markedly more pyrolytic rather than petrogenic, which may indicate high potential toxicity of the sediment with probable adverse effects to the living biota.
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Distribution of polychlorinated biphenyls in the water, sediment and fish from the Pearl River estuary, China.
TL;DR: It was found that the feeding habits of fish were very significant in the accumulation of polychlorinated biphenyls and pattern of congeners, while herbivores such as shad and mullet exhibited an opposite trend.
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Composition of dioxin-like PCBs in fish: an application for risk assessment.
TL;DR: It is found that the dl-PCB composition is relatively constant (within approximately a factor of 2) regardless of fish species and total PCB level, and can be used as a practical tool to estimate d l-PCBs for risk assessment purposes.
References
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Journal ArticleDOI
Analysis of polychlorinated biphenyls (PCB) by glass capillary gas chromatography
Karlheinz Ballschmiter,M Zell +1 more
TL;DR: The composition of seven technical PCB-mixtures (Aroclor [Monsanto, USA] und Clophen A [Bayer, FRG]) has been investigated by high-resolution thin-film glass capillary gas chromatography with electron-capture detector.
Journal ArticleDOI
PCBs: structure-function relationships and mechanism of action.
Stephen Safe,S. Bandiera,Tom Sawyer,Larry W. Robertson,Lorna Safe,A. Parkinson,Paul E. Thomas,Dene E. Ryan,Linda M. Reik,Wayne Levin,Mary Anne Denomme,Toshio Fujita +11 more
TL;DR: There was an excellent correlation between AHH induction potencies and receptor binding avidities of these compounds and the order of activity was coplanar PCBs, the halogenated aromatic hydrocarbons which exhibit the highest binding affinities for the receptor protein.
Journal ArticleDOI
Review: Biological Activity, Determination and Occurrence of Planar, Mono- and Di-Ortho PCBs
TL;DR: Some of the 209 polychlorinated biphenyls (PCBs) are stereochemically similar to the planar 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and, because of this similarity, exert biochemical activity and toxicity comparable to that of TCDD as mentioned in this paper.
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Accumulation and diagenesis of chlorinated hydrocarbons in lacustrine sediments
TL;DR: Etude de l'accumulation et du devenir d'hydrocarbures chlores (ex PCB) dans des sediments lacustres en utilisant 210 Pb and 137 Cs comme traceurs de sedimentation as discussed by the authors.
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Toxic equivalency factors (TEFs) for PCBs, PCDDs, PCDFs for humans and wildlife
M. van den Berg,L. Birnbaum,A.T.C. Bosveld,B. Brunstrom,P. Cook,M. Feeley,John P. Giesy,Annika Hanberg,R. Hasegawa,S.W. Kennedy,T. Kubiak,J. C. Larsen,F.X.R. van Leeuwen,A. K. D. Liem,C. Nolt,R.E. Peterson,L. Poellinger,Stephen Safe,D. Schrenk,D. Tillitt,Mats Tysklind,Maged Younes,F. Waern,T. Zacharewski +23 more