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Effects of sodium chloride and sodium perchlorate on properties and partition behavior of solutes in aqueous dextran-polyethylene glycol and polyethylene glycol-sodium sulfate two-phase systems

  • Journal of Chromatography A, 1583, 28-38, 2019

Publisher: Elsevier

Abstract

Effects of two salt additives, NaCl and NaClO4, at the fixed concentrations of 0.215?M on the properties of aqueous two-phase systems (ATPSs) formed by dextran (Dex) and polyethylene glycol (PEG), and the effects of NaClO4 at the same concentration on the properties of ATPS formed by PEG and Na2SO4 were examined. The effects of these salt additives on partitioning of 12 small organic compounds and five proteins in the above ATPSs were studied. In each system with a given salt additive, 0.5?M sorbitol, 0.5?M sucrose, and 0.5?M and 1.5?M trimethylamine N-oxide (TMAO) were also used as additives. ...

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