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Toxicity and physiological effects of brominated flame retardant PBDE-47 on two life stages of grass shrimp, Palaemonetes pugio

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Title: Toxicity and physiological effects of brominated flame retardant PBDE-47 on two life stages of grass shrimp, Palaemonetes pugio
Authors: Key, Peter B.1 pete.key@noaa.gov, Chung, Katy W.2, Hoguet, Jennifer2, Shaddrix, Brian2, Fulton, Michael H.1
Source: Science of the Total Environment. Jul2008, Vol. 399 Issue 1-3, p28-32. 5p.
Subjects: Shrimps, Polybrominated biphenyls, Biomarkers, Confidence intervals, Polybrominated diphenyl ethers, Environmental toxicology
Abstract: Abstract: This study examined the effects of a polybrominated diphenyl ether (PBDE) compound, PBDE-47, on adult and larval stages of the estuarine grass shrimp (Palaemonetes pugio). The 96-h LC50 test resulted in an estimate of 23.60 µg/L (95% confidence interval=14.51–38.37 µg/L) for larval shrimp. Adult shrimp had a higher 96-h LC50 of 78.07 µg/L (95% CI=65.1–93.63 µg/L). Four physiological biomarkers glutathione (GSH), lipid peroxidation (LPx), cholesterol (CHL) and acetylcholinesterase (AChE) were then assessed to study the sublethal effects of PBDE-47 exposure. GSH, LPx and AChE levels in both adults and larvae were not affected by PBDE-47 at concentrations up to 50 µg/L for 96 h. CHL levels were elevated in adults and larvae at the lowest exposure concentrations tested, but significant differences were found only in adult exposures. Effects associated with PBDE-47 aqueous exposures were observed at levels well above those reported in the environment. [Copyright &y& Elsevier]
Copyright of Science of the Total Environment is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 32554943
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Toxicity and physiological effects of brominated flame retardant PBDE-47 on two life stages of grass shrimp, Palaemonetes pugio
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  Data: <searchLink fieldCode="AR" term="%22Key%2C+Peter+B%2E%22">Key, Peter B.</searchLink><relatesTo>1</relatesTo><i> pete.key@noaa.gov</i><br /><searchLink fieldCode="AR" term="%22Chung%2C+Katy+W%2E%22">Chung, Katy W.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Hoguet%2C+Jennifer%22">Hoguet, Jennifer</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Shaddrix%2C+Brian%22">Shaddrix, Brian</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Fulton%2C+Michael+H%2E%22">Fulton, Michael H.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Science+of+the+Total+Environment%22">Science of the Total Environment</searchLink>. Jul2008, Vol. 399 Issue 1-3, p28-32. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Shrimps%22">Shrimps</searchLink><br /><searchLink fieldCode="DE" term="%22Polybrominated+biphenyls%22">Polybrominated biphenyls</searchLink><br /><searchLink fieldCode="DE" term="%22Biomarkers%22">Biomarkers</searchLink><br /><searchLink fieldCode="DE" term="%22Confidence+intervals%22">Confidence intervals</searchLink><br /><searchLink fieldCode="DE" term="%22Polybrominated+diphenyl+ethers%22">Polybrominated diphenyl ethers</searchLink><br /><searchLink fieldCode="DE" term="%22Environmental+toxicology%22">Environmental toxicology</searchLink>
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  Label: Abstract
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  Data: Abstract: This study examined the effects of a polybrominated diphenyl ether (PBDE) compound, PBDE-47, on adult and larval stages of the estuarine grass shrimp (Palaemonetes pugio). The 96-h LC50 test resulted in an estimate of 23.60 µg/L (95% confidence interval=14.51–38.37 µg/L) for larval shrimp. Adult shrimp had a higher 96-h LC50 of 78.07 µg/L (95% CI=65.1–93.63 µg/L). Four physiological biomarkers glutathione (GSH), lipid peroxidation (LPx), cholesterol (CHL) and acetylcholinesterase (AChE) were then assessed to study the sublethal effects of PBDE-47 exposure. GSH, LPx and AChE levels in both adults and larvae were not affected by PBDE-47 at concentrations up to 50 µg/L for 96 h. CHL levels were elevated in adults and larvae at the lowest exposure concentrations tested, but significant differences were found only in adult exposures. Effects associated with PBDE-47 aqueous exposures were observed at levels well above those reported in the environment. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Science of the Total Environment is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.scitotenv.2008.03.021
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        Text: English
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              Text: Jul2008
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