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Elsevier Science

Anal Biochem. 1992 May 01;202(2):306-9. doi: 10.1016/0003-2697(92)90110-s.

Improvement in the method of sample stacking for gravity injection in capillary zone electrophoresis.

Analytical biochemistry

D S Burgi, R L Chien

Affiliations

  1. Varian Research Center, Palo Alto, California 94304.

PMID: 1519757 DOI: 10.1016/0003-2697(92)90110-s

Abstract

A method that allows capillary electrophoresis to be used as a microconcentrating technique is presented. An 85-fold improvement in the amount of material that can be injected into a capillary column without loss of resolution is shown. The method can be used for negative- and positive-charged species but it cannot be used for both species simultaneously.

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