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Evaluating Toxicity of 1-octyl-3-methylimidazolium Hexafluorophosphate to Microorganisms in Soil

Evaluating Toxicity of 1-octyl-3-methylimidazolium Hexafluorophosphate to Microorganisms in Soil

Cheng Zhang, Zhongkun Du, Bing Li, Xi Sun, Jun Wang, Jinhua Wang, Lusheng Zhu

Chemosphere. 2018 Nov;210:762-768.

PMID: 30036824

Abstract:

Ionic liquids (ILs) were widely applied because of their excellent properties. The present investigation studied the toxicity of the IL 1-octyl-3-methylimidazolium hexafluorophosphate ([Omim]PF6) to the soil microbial population and community diversity with dose (1.0, 2.0, 4.0, 6.0, and 8.0 mg kg-1) and exposure time (7, 10, and 13 d). The results show the IL was stable during the entire experimental period. The Biolog-ECO plate results indicated that the average well color development (AWCD) in the 6.0 and 8.0 mg kg-1 treatments was lower than these in the other treatments. The diversity indices of the Biolog analysis were significantly reduced. The abundance of the ammonia-oxidizing archaea (AOA-) and the ammonia-oxidizing bacteria (AOB-) ammonia monooxygenase (amoA) genes was measured by the real-time polymerase chain reaction (RT-PCR). In the treatments of 4.0, 6.0 and 8.0 mg kg-1, the abundance of amoA genes of the AOA- and AOB- were inhibited by IL [Omim]PF6.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP951020818	1,3-Dimethoxyimidazolium hexafluorophosphate		951020-81-8	Price

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