1-Hexyl-3-Methylimidazolium Chloride-Potassium Carbonate Aqueous Two Phase System: Equilibrium Characteristics and BSA Partitioning Behavior

被引:5
|
作者
Regupathi, Iyyaswami [1 ]
Monteiro, Shanon L. [1 ]
机构
[1] Natl Inst Technol Karnataka, Dept Chem Engn, Mangalore 575025, India
关键词
BSA partitioning; phase diagram; ionic liquid; Aqueous two phase system; LIQUID-LIQUID EQUILIBRIUM; IONIC LIQUIDS; BIPHASIC SYSTEMS; POLY(ETHYLENE GLYCOL); EXTRACTION; SEPARATION; WATER; PROTEINS; TEMPERATURE;
D O I
10.1080/01932691.2013.794112
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The partitioning behavior of the model protein (bovine serum albumin) was investigated in ionic liquid (1-hexyl-3-methylimidazolium chloride) -salt (potassium carbonate) based aqueous two phase system (ATPS). The phase diagram with binodal curve and tie lines for the selected ATPS was developed at different temperatures and analyzed through effective excluded volume (EEV) and Othmer-Tobias and Bancroft equations, respectively. The influence of various process parameters like the ionic liquid and salt concentration, system temperature, tie line length, phase volume ratio, and neutral salt addition on partition coefficient/extraction efficiency of BSA protein was evaluated.
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页码:418 / 427
页数:10
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