Synthesis of two thermo-responsive copolymers forming recyclable aqueous two-phase systems and its application in cefprozil partition

Hou, Daisong; Cao, Xuejun

doi:10.1016/j.chroma.2014.04.075

Cited by 13 publications

(1 citation statement)

References 32 publications

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“…35 Cao and coworkers designed an ATPS from two thermoresponsive polymers for the use of partitioning of antibiotics and subsequent recycling of the polymers. 36 In the case of w/w emulsions, stimuliresponse can be introduced via the polymers themselves, 37 the underlying ATPS 38 or by the stabiliser. 39,40 Thermoresponsive w/w emulsions have been described by utilising thermoresponsive stabilisers, e.g.…”

Section: Introductionmentioning

confidence: 99%

Thermoresponsive behaviour of poly(N,N-diethylacrylamide) in aqueous two-phase systems

Bayliss,

Yilmaz,

Plucinski

et al. 2023

Polym. Chem.

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Section: Introductionmentioning

confidence: 99%

Thermoresponsive behaviour of poly(N,N-diethylacrylamide) in aqueous two-phase systems

Bayliss,

Yilmaz,

Plucinski

et al. 2023

Polym. Chem.

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Separation and Purification of C-Phycocyanin from Spirulina platensis Using Aqueous Two-Phase Systems Based on Triblock Thermosensitive Copolymers

Ebrahimi

Pazuki

Mozaffarian

et al. 2023

Food Bioprocess Technol

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Partition of Tea Saponin with a Novel Recyclable Thermo-pH Aqueous Two-Phase Systems

Wei

Chen

Yang

et al. 2021

Appl Biochem Biotechnol

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Aqueous two-phase systems (ATPS) have the advantages of environmentally friendly, high mass transfer efficiency, mild extraction conditions. However, it is difficult to recycle these components, which limits the large-scale application of ATPS in industrial production. In this study, a novel recyclable ATPS of PN/PADB4.78 was constructed with a thermo-responsive polymer PN and a pH-responsive polymer PADB4.78 for the partition study of tea saponin. The recovery of PN reached 98.71% by adjusting the temperature to above its lower critical solution temperature (LCST, 33.0 °C ) and the recovery of PADB4.78 was 97.32% by regulating the pH to its isoelectric point (pI, 4.78). Meanwhile, the phase formation mechanism of ATPS was studied by surface tension and low-field nuclear magnetic resonance (LF-NMR). The effects of polymer concentration, pH, temperature, types and concentrations of salt were investigated on tea saponin partition.In the 1.5% PN/3.5% PADB4.78 ATPS, the optimal partition coefficient (K) and extraction recovery (ERb) of crude tea saponin were 0.15 and 92.13% in the presence of 1.5 mM KCl at pH=7.6 and 25℃, respectively. The K and ERb of tea saponin from tea seeds were 0.12 and 94.50% with 7.5 mM LiBr at pH=8.0 and 25℃, respectively.

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Synthesis of two thermo-responsive copolymers forming recyclable aqueous two-phase systems and its application in cefprozil partition

Cited by 13 publications

References 32 publications

Thermoresponsive behaviour of poly(N,N-diethylacrylamide) in aqueous two-phase systems

Thermoresponsive behaviour of poly(N,N-diethylacrylamide) in aqueous two-phase systems

Separation and Purification of C-Phycocyanin from Spirulina platensis Using Aqueous Two-Phase Systems Based on Triblock Thermosensitive Copolymers

Partition of Tea Saponin with a Novel Recyclable Thermo-pH Aqueous Two-Phase Systems

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