NDLI: Effects of different head groups and functionalised side chains on the aquatic toxicity of ionic liquids

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Effects of different head groups and functionalised side chains on the aquatic toxicity of ionic liquids

Content Provider	Semantic Scholar
Author	Stolte, Stefan Matzke, Marianne Arning, Jürgen Böschen, Andrea Pitner, William-R. Welz-Biermann, Urs Jastorff, Bernd Ranke, Johannes
Copyright Year	2007
Abstract	In this study, the influence of different head groups, functionalised side chains and anions of ionic liquids on the marine bacteria Vibrio fischeri, the limnic green algae Scenedesmus vacuolatus and the fresh water plant Lemna minor was investigated. The aim of these experiments is to improve the knowledge base for the molecular design of ionic liquids leading to a reduced (eco)toxicological hazard potential. The analysed set of about 40 ionic liquids confirmed the interdependency between lipophilicity—as derived from gradient HPLC—and (eco)toxicity. The toxicity was clearly reduced for the test organisms (partially by six to seven orders of magnitude) when short functionalised side chains were used instead of non-polar alkyl chains. Furthermore, we could demonstrate strong interactions of hydrophobic ionic liquid cations with two different types of common biological lipid bilayers, indicating that the membrane system of organisms is probably a primary target site of toxic action. These systematic studies are addressed to producers, developers and downstream users of ionic liquids in different fields of application, to facilitate the selection of (eco)toxicologically favourable structural elements and thus to contribute to the design of inherently safer ionic liquids.
File Format	PDF HTM / HTML
Language	English
Access Restriction	Open
Subject Keyword	Adverse reaction to drug Air traffic control radar beacon system Algae Aliivibrio fischeri Anions Aquatic ecosystem Cations Chlorophyta Cyanobacteria Downstream (software development) Experiment Fresh Water Gradient Interaction Interdependence Ionic Liquids Ionic Strength Knowledge base Lipid Metabolism Disorders Liquid substance Scenedesmus Tissue membrane Toxic Actions alkyl lipophilicity positive regulation of calcium-mediated signaling involved in cellular response to salt stress
Content Type	Text
Resource Type	Article

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