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Journal article

The influence of salt type on the retention of bovine serum albumin in ion-exchange chromatography

From

Center for Phase Equilibria and Separation Processes, Department of Chemical and Biochemical Engineering, Technical University of Denmark1

Department of Chemical and Biochemical Engineering, Technical University of Denmark2

Center for Energy Resources Engineering, Centers, Technical University of Denmark3

In this paper, an analysis of the influence of the salt types, NaCl, NaCH"3COO, Na"2SO"4 and Na"3C"6H"5O"7, on the isocratic retention behaviour of bovine serum albumin (BSA) on two anion-exchangers media (Source 30Q and TSK Gel Super Q 5 PW) has been presented. The retention data demonstrated that the mechanism of protein retention in ion-exchange chromatography (IEC) involves interactions between the protein solute, the mobile phase constituents and the stationary phase.

The effect of protein activity coefficient in the mobile phase on the protein retention volumes is verified.

Language: English
Year: 2007
Pages: 57-62
ISSN: 18733778 , 00219673 and 03014770
Types: Journal article
DOI: 10.1016/j.chroma.2006.10.079

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