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Catalytic activity of laccases in aqueous solutions of ionic liquids

Stepan Shipovskov, H. Q. Nimal Gunaratne, Kenneth R. Seddon, Gill Stephens

Open publisher page 66 citations

Abstract

The ionic liquids, [bmim]Br and [bmim][N(CN)2] (where [bmim] = 1-butyl-3-methylimidazolium), stimulated laccase-catalysed oxidation of catechol when provided at concentrations between 10–20% and 50–60% (v/v) in water, respectively. However, activity was inhibited at higher and lower concentrations. [bmim][BF4] was inhibitory at all concentrations tested, but residual activity was still retained in [bmim][BF4] with ≤ 20% water.

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What this paper is about

The ionic liquids, [bmim]Br and [bmim][N(CN)2] (where [bmim] = 1-butyl-3-methylimidazolium), stimulated laccase-catalysed oxidation of catechol when provided at concentrations between 10–20% and 50–60% (v/v) in water, respectively. However, activity was inhibited at higher and lower concentrations. [bmim][BF4] was inhibitory at all concentrations tested, but residual activity was still retained in [bmim][BF4] with ≤ 20% water.

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Available abstract

The ionic liquids, [bmim]Br and [bmim][N(CN)2] (where [bmim] = 1-butyl-3-methylimidazolium), stimulated laccase-catalysed oxidation of catechol when provided at concentrations between 10–20% and 50–60% (v/v) in water, respectively. However, activity was inhibited at higher and lower concentrations. [bmim][BF4] was inhibitory at all concentrations tested, but residual activity was still retained in [bmim][BF4] with ≤ 20% water.

Key concepts: Ionic liquid, Catechol, Laccase, Chemistry, Catalysis, Aqueous solution, Tetrafluoroborate, Inorganic chemistry

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