Journal
SCIENTIFIC REPORTS
Volume 6, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep20276
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Funding
- national funds through the FCT/MEC [POCI-01-0145-FEDER-007679, UID/CTM/50011/2013]
- FEDER under the PT2020 Partnership Agreement
- FCT [SFRH/BD/85248/2012]
- European Research Council under the European Union's Seventh Framework Programme (FP7)/ERC [337753]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/85248/2012] Funding Source: FCT
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The ability to induce reversible phase transitions between homogeneous solutions and biphasic liquid-liquid systems, at pre-defined and suitable operating temperatures, is of crucial relevance in the design of separation processes. Ionic-liquid-based aqueous biphasic systems (IL-based ABS) have demonstrated superior performance as alternative extraction platforms, and their thermoreversible behaviour is here disclosed by the use of protic ILs. The applicability of the temperature-induced phase switching is further demonstrated with the complete extraction of two value-added proteins, achieved in a single-step. It is shown that these temperature-induced mono(bi)phasic systems are significantly more versatile than classical liquid-liquid systems which are constrained by their critical temperatures. IL-based ABS allow to work in a wide range of temperatures and compositions which can be tailored to fit the requirements of a given separation process.
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