Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 360, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2022.119508
Keywords
Aqueous two-phase extraction; Thermo-responsive polymers; pH-responsive polymers; Dual-stimuli-responsive polymers
Funding
- University of Venda
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The use of aqueous two-phase systems (ATPSs) for analyte extraction from complex matrices is becoming more popular due to their simplicity, speed, and environmental friendliness. Stimuli-responsive polymers, including thermo-responsive and pH-responsive polymers, have been utilized in ATPSs to improve extraction efficiency. This review discusses the utilization of these polymers in biphasic systems and explores the challenges and future prospects.
The use of aqueous two-phase systems (ATPSs) during extraction of analytes from complex matrices is increasingly gaining popularity. This can be attributed to the fact that these systems are generally simple, fast and environmentally friendly. The success of aqueous two-phase extraction largely depends on the good choice of materials to be used. The availability of smart materials such as stimuli-responsive polymers has facilitated the development of effective ATPSs for the extraction of analytes from complex matrices. This paper explores the utilisation of stimuli-responsive polymers during these biphasic systems. The stimuli-responsive polymers that are in common use in ATPSs include thermo-responsive and pH-responsive polymers. Other researchers used dual-stimuli-responsive ATPSs, which involve a combination of a thermo-responsive polymer and a pH-responsive polymer, during extraction of analytes from complex matrices. These biphasic systems composed of thermo-responsive and pH-responsive polymers are discussed in detail in this paper. In addition, this review explores the challenges associated with the use of stimuli-responsive polymers in ATPSs as well as the future prospects. (c) 2022 Elsevier B.V. All rights reserved.
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