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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-014-1378-4
|2 doi
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|a pubmed24n0811.xml
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|a (DE-627)NLM243321104
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|a (NLM)25373545
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Liu, Kou
|e verfasserin
|4 aut
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|a EPR detection of hydroxyl radical generation and oxidative perturbations in lead-exposed earthworms (Eisenia fetida) in the presence of decabromodiphenyl ether
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 19.10.2015
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Lead (Pb) and decabromodiphenyl ether (BDE209) are the main contaminants at e-waste recycling sites, and their potential toxicological effects on terrestrial organisms have received extensive attention. However, the impacts on the oxidative perturbations and hydroxyl radical (·OH) generation in earthworms of exposure to the two chemicals remain almost unknown. Therefore, indoor incubation tests were performed on control and contaminated soil samples to determine the effects of Pb in earthworms Eisenia fetida in the presence of BDE209 through the use of several biomarkers in microcosms. The results have demonstrated that the addition of BDE209 (1 or 10 mg kg(-1)) decreased the enzymatic activities [superoxide dismutase, catalase (CAT), peroxidase] and total antioxidant capacity (T-AOC) compared with exposure to BDE209 alone (50, 250 or 500 mg kg(-1)). Electron paramagnetic resonance spectra indicated that ·OH radicals in earthworms were significantly induced by Pb in the presence of BDE209. The changing pattern of malondialdehyde (MDA) contents was accordant with that of ·OH intensity suggested that reactive oxygen species might lead to cellular lipid peroxidation. Furthermore, CAT exhibited more sensitive response to single Pb exposure than the other biomarkers, while T-AOC, ·OH and MDA might be three most sensitive biomarkers in earthworms after simultaneous exposure to Pb and BDE209. The results of these observations suggested that oxidative stress appeared in E. fetida, and it may play an important role in inducing the Pb and BDE209 toxicity to earthworms
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Antioxidants
|2 NLM
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|a Cyclic N-Oxides
|2 NLM
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|a Halogenated Diphenyl Ethers
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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|a Soil Pollutants
|2 NLM
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|a Lead
|2 NLM
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|a 2P299V784P
|2 NLM
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|a phenyl-N-tert-butylnitrone
|2 NLM
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|a 3I91332OPG
|2 NLM
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| 650 |
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|a Malondialdehyde
|2 NLM
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|a 4Y8F71G49Q
|2 NLM
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|a decabromobiphenyl ether
|2 NLM
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|a N80BQ29A0H
|2 NLM
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| 700 |
1 |
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|a Chen, Lin
|e verfasserin
|4 aut
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1 |
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|a Zhang, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Kuangfei
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Li
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 24(2015), 2 vom: 23. März, Seite 301-8
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
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|g volume:24
|g year:2015
|g number:2
|g day:23
|g month:03
|g pages:301-8
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|u http://dx.doi.org/10.1007/s10646-014-1378-4
|3 Volltext
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