Abstract

Abstract Electric double layers which occur at the conductive surface-electrolytic solution interface may be used as virtual stationary phases for separating macromolecules. The quantitative estimations of the efficiency of separation processes based on the features of double layers are essentially dependent not only on the values of pH, the characteristic size of a column or granules and the flow rate, but also on the externally applied potential and the current in the circuits The specific models advanced herein are illustrated by analytical formulae which determine the effect of an increase of the field and hence the very process of separating macromolecules as that of proteins, depending on the characteristic size thereof, the space between the electrodes and the current in the circuit. The theoretical description needs no phenomenological coefficient as in theory advanced by K.Li and makes it possible to determine the conditions for open capillary chromatography more specifically, according to any ad...

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