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Computational solvation analysis of biomolecules in aqueous ionic liquid mixtures : From large flexible proteins to
Veronika Zeindlhofer1, Christian Schröder2
1Faculty of Chemistry, Department of Computational Biological Chemistry, University of Vienna, Währingerstr. 17, Vienna, Austria.
Abstract:
Based on their tunable properties, ionic liquids attracted significant interest to replace conventional, organic solvents in biomolecular applications. Following a Gartner cycle, the expectations on this new class of solvents dropped after the initial hype due to the high viscosity, hydrolysis, and toxicity problems as well as their high cost. Since not all possible combinations of cations and anions can be tested experimentally, fundamental knowledge on the interaction of the ionic liquid ions with water and with biomolecules is mandatory to optimize the solvation behavior, the biodegradability, and the costs of the ionic liquid. Here, we report on current computational approaches to characterize the impact of the ionic liquid ions on the structure and dynamics of the biomolecule and its solvation layer to explore the full potential of ionic liquids.
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