Separation of Creatine Kinase Isoenzymes in Serum by Ion-Exchange Column Chromatography (Mercer's Method, Modified to Increase Sensitivity)

Author:

Nealon Daniel A1,Henderson Arthur R1

Affiliation:

1. Department of Clinical Biochemistry, University Hospital (University of Western Ontario), 339 Windermere Rd., London, Ontario N6G 2K3 Canada

Abstract

Abstract We describe our experience with Mercer's method [Clin. Chem. 20, 36 (1974)] for separating isoenzymes of creatine kinase (EC 2.7.3.2) in serum by ion-exchange chromatography. By using diethylaminoethyl cellulose rather than diethylaminoethyl Sephadex in the column and by changing the ionic strength of the eluting buffer, we could detect a significant proportion of the MB isoenzyme of serum creatine kinase at normal activities of creatine kinase in serum, even in the absence of cardiac disease.

Publisher

Oxford University Press (OUP)

Subject

Biochemistry (medical),Clinical Biochemistry

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