Cytochrome c dissolved in 1‐allyl‐3‐methylimidazolium chloride type ionic liquid undergoes a quasi‐reversible redox reaction up to 140°C | Zendy

Tamura Kaori | Zendy; Nakamura Nobuhumi | Zendy; Ohno Hiroyuki | Zendy

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Cytochrome c dissolved in 1‐allyl‐3‐methylimidazolium chloride type ionic liquid undergoes a quasi‐reversible redox reaction up to 140°C

Author(s) -

Tamura Kaori,

Nakamura Nobuhumi,

Ohno Hiroyuki

Publication year - 2012

Publication title -

biotechnology and bioengineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.136

H-Index - 189

eISSN - 1097-0290

pISSN - 0006-3592

DOI - 10.1002/bit.24357

Subject(s) - ionic liquid , chemistry , redox , cytochrome , solubility , chloride , cytochrome c , polarizability , hemeprotein , inorganic chemistry , ionic bonding , heme , organic chemistry , catalysis , ion , enzyme , molecule , biochemistry , mitochondrion

Solubility of cytochrome c, a typical heme protein, in a various ionic liquids has been analyzed. The solubility has been discussed with polarity parameters of the ionic liquids. Both hydrogen bond basicity and dipolarity/polarizability of the ionic liquids were confirmed to be influential factors to control the solubilization of cytochrome c. Polar ionic liquids such as 1‐butyl‐3‐methylimidazolium chloride and 1‐allyl‐3‐methylimidazolium chloride solubilized cytochrome c at 80°C, and the dissolved cytochrome c was found to keep its redox activity in these ionic liquids. The redox response of the dissolved cytochrome c was detected in 1‐allyl‐3‐methylimidazolium chloride up to 140°C. Biotechnol. Bioeng. 2012; 109:729–735. © 2011 Wiley Periodicals, Inc.

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