期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 686, 期 -, 页码 946-958出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2019.06.010
关键词
[Bmim]BF4; Earthworm; Artificial soil; Fluvo-aquic soil; IBR
资金
- National Key R&D Programof China [2016YFD0800202]
- National Natural Science Foundation of China [41771282, 41701279]
- Natural Science Foundation of Shandong Province, China [ZR2017MD005, ZR2017BB075]
- Special Funds of Taishan Scholar of Shandong Province, China
Herein, to research the toxic effect of ionic liquids (ILs) on earthworms and compare their different toxidties in different soils, 1-butyl-3-methyl imidazolium tetrafluoroborate ([Bmim]BF4) was selected as a test substance, Eisenia fetida was selected as the experimental indicator organism, and artificial and fluvo-aquic soils were selected as the media. The acute toxicity, reactive oxygen species (ROS) content, detoxification enzyme (GST) activity, anti-oxidant enzyme activities, lipid peroxidation oxidative and DNA damage in earthworms were all measured to evaluate the toxicity of [Bmim]BF4. The results showed that either in fluvo-aquic soil or artificial soil, [Bmim]BF4 can stimulate the accumulation of ROS in earthworms, inducing activities of antioxidant enzymes and detoxification enzymes, inevitably causing lipid peroxidation and DNA damage in earthworms. The integrated biomarker response (IBR) indicated that the toxicity of [Bmim]BF4 in fluvo-aquic soil was greater than that in artificial soil. This experiment is relevant to the reliability of artificial soil toxicity research, and maybe this paper can provide a more authentic understanding of traditional toxicity experiments. (C) 2019 Elsevier B.V. All lights reserved.
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