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Royal Society of Chemistry, Physical Chemistry Chemical Physics, 45(15), p. 19580

DOI: 10.1039/c3cp53701c

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Combining ionic liquids and polyethylene glycols to boost the hydrophobic-hydrophilic range of aqueous biphasic systems

Journal article published in 2013 by Jorge F. B. Pereira ORCID, Luís Paulo N. Rebelo ORCID, Robin D. Rogers ORCID, João A. P. Coutinho ORCID, Mara G. Freire ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

This work reveals, for the first time, that polymer-ionic-liquid-based aqueous biphasic systems (ABS) exhibit a much wider hydrophilic-hydrophobic range than conventional systems reported to date. Three probe dyes were used to demonstrate that either the polymer-rich or the ionic-liquid-rich layer can serve as the most hydrophobic phase. It was found that the phase polarities can be easily tuned by the choice of an appropriate ionic liquid.