Micellar gradients in size-exclusion simulated moving bed chromatography

D. A. Horneman, M. Ottens, J. T.F. Keurentjes, L. A.M. van der Wielen

Research output: Contribution to journalArticlepeer-review

Abstract

The selectivity of size-exclusion chromatography (SEC) can be modified by adding non-ionic micelles to the mobile phase. Surfactant-aided size-exclusion chromatography (SASEC) can therefore very well be performed in a gradient mode on an SMB, as is reported in this paper. A method has been developed for correctly positioning a micellar gradient over an SMB. The method is applied for size-exclusion chromatography with the non-ionic surfactant C12E23 as gradient forming solute, and demonstrated by applying it to a relevant chromatographic protein separation problem.

Original languageEnglish
Pages (from-to)130-139
Number of pages10
JournalJournal of Chromatography A
Volume1113
Issue number1-2
DOIs
Publication statusPublished - 28 Apr 2006
Externally publishedYes

Keywords

  • Bioseparation
  • Chromatography
  • Gradient elution
  • Protein purification
  • SEC
  • SMB
  • Surfactants

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