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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-011-0839-2
|2 doi
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|a eng
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1 |
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|a Broerse, Mieke
|e verfasserin
|4 aut
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|a Cadmium affects toxicokinetics of pyrene in the collembolan Folsomia candida
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|c 2012
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|a Text
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|a ƒaComputermedien
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|a Date Completed 10.07.2012
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|a Date Revised 21.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Since toxicity is time dependent, short-term toxicity tests may overlook mixture effects, because chemical accumulation within an organism takes time. We therefore studied the effects of cadmium on the toxicokinetics of pyrene and its metabolites in the soil-dwelling collembolan Folsomia candida exposed through Lufa 2.2 soil. Single pyrene was rapidly taken up and steady state was reached within the 337-h exposure period. Simultaneous exposure to cadmium significantly decreased the pyrene uptake and elimination rate, resulting in a prolonged half life. Kinetics of the first phase metabolite OH-pyrene was also significantly influenced by cadmium. Cadmium increased the hydroxylation rate of pyrene but slowed down its further metabolization, again resulting in a prolonged half life. We showed that pyrene accumulation and metabolization are significantly influenced by the presence of cadmium. Our results suggest that mixture effects may be dependent on exposure time
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Pyrenes
|2 NLM
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|a Soil Pollutants
|2 NLM
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|a pyrene
|2 NLM
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|a 9E0T7WFW93
|2 NLM
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|a Cadmium Chloride
|2 NLM
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|a J6K4F9V3BA
|2 NLM
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|a Oorsprong, Hilde
|e verfasserin
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|a van Gestel, Cornelis A M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 21(2012), 3 vom: 09. Apr., Seite 795-802
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnas
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| 773 |
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|g volume:21
|g year:2012
|g number:3
|g day:09
|g month:04
|g pages:795-802
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