A stirring-related aspecific ion-exclusion effect in an ultrafiltration-aided protein-ligand binding study

J.P.M. Wielders (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

The occurrence at 0.1-0.01 m ionic strength of an aspecific ion-exclusion effect at the membrane during ultrafiltrations through Amicon PM 10 and XM 50 membranes is demonstrated. The extent of this phenomenon was found to be related to the shear rate at the membrane surface and to the ionic strength. Concentrations were measured by isotachophoretic analysis. Because of this effect, the use of an internal standard component is strongly recommended in (ultrafiltration-aided) binding studies.

Original languageEnglish
Pages (from-to)394-399
Number of pages6
JournalAnalytical Biochemistry
Volume103
Issue number2
DOIs
Publication statusPublished - 1 Jan 1980

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Ultrafiltration
Protein Binding
Ions
Ligands
Ionic strength
Membranes
Osmolar Concentration
Proteins
Shear deformation

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A stirring-related aspecific ion-exclusion effect in an ultrafiltration-aided protein-ligand binding study. / Wielders, J.P.M. (Corresponding author).

In: Analytical Biochemistry, Vol. 103, No. 2, 01.01.1980, p. 394-399.

Research output: Contribution to journalArticleAcademicpeer-review

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