Chronic effects of the ionic liquid [C[sub]4mim][Cl] towards the microalga ' Scenedesmus quadricauda '

Deng, Yun, Beadham, Ian, Wu, Jie, Chen, Xiao-Di, Hu, Lan and Gu, Jun (2015) Chronic effects of the ionic liquid [C[sub]4mim][Cl] towards the microalga ' Scenedesmus quadricauda '. Environmental Pollution, 204, pp. 248-255. ISSN (print) 0269-7491

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Chronic effects of the ionic liquid [C4mim][Cl] (mp 73 °C) towards the microalga, Scenedesmus quadricauda were studied by flow cytometry, monitoring multiple endpoints of cell density, esterase activity, membrane integrity, reactive oxygen species and chlorophyll fluorescence. Toxicity was clearly in evidence, and although increased esterase activity indicated hormesis during initial exposure to [C4mim][Cl], inhibition of both esterase activity and chlorophyll fluorescence became apparent after 3 days. Cell density was also decreased by culturing with [C4mim][Cl], but this effect was clearly concentration-dependent and only became significant during the second half of the experiment. In contrast, [C4mim][Cl] had only a modest effect on reactive oxygen species (ROS) and caused little damage to cell membranes.

Item Type: Article
Additional Information: This work was supported by Jiangsu Natural Science Foundation [grant number BK2012218].
Uncontrolled Keywords: chronic effect, toxicity, ionic liquid, flow cytometry, microalgae
Research Area: Chemistry
Earth systems and environmental sciences
Faculty, School or Research Centre: Faculty of Science, Engineering and Computing (until 2017) > School of Pharmacy and Chemistry
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Depositing User: Katrina Clifford
Date Deposited: 20 Jul 2015 10:12
Last Modified: 13 Mar 2017 15:24

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