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>Evaluation and characterization of thyroid-disrupting activities in soil samples along the Second Songhua River, China
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Evaluation and characterization of thyroid-disrupting activities in soil samples along the Second Songhua River, China
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机译:第二松花江沿岸土壤样品中破坏甲状腺活动的评价和特征
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摘要
In this study, a recombinant thyroid receptor (TR) gene yeast assay combined with Monte Carlo simulation were used to evaluate and characterize soil samples collected from Jilin (China) along the Second Songhua River, for their ant/agonist effect on TR. No TR agonistic activity was found in soils, but many soil samples exhibited TR antagonistic activities, and the bioassay-derived amiodarone hydrochloride equivalents, which was calculated based on Monte Carlo simulation, ranged from not detected (N.D.) to 35.5 mu g/g. Hydrophilic substance fractions were determined to be the contributors to TR antagonistic activity in these soil samples. Our results indicate that the novel calculation method is effective for the quantification and characterization of TR antagonists in soil samples, and these data could provide useful information for future management and remediation efforts for contaminated soils. (C) 2016 Elsevier Inc. All rights reserved.
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