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Capillary electrophoresis of peptides. Analysis of adrenocorticotropic hormone-related fragments.

作者信息

van de Goor T A, Janssen P S, van Nispen J W, van Zeeland M J, Everaerts F M

机构信息

Laboratory of Instrumental Analysis, Eindhoven University of Technology, The Netherlands.

出版信息

J Chromatogr. 1991 Jun 7;545(2):379-89. doi: 10.1016/s0021-9673(01)88730-6.

DOI:10.1016/s0021-9673(01)88730-6
PMID:1653256
Abstract

Capillary electrophoresis can be used successfully to analyse small peptides to give additional information to that obtained using high-performance liquid chromatography (HPLC). The separation of a modified adrenocorticotropic hormone (4-9) fragment (Org 2766) and several of its fragments was investigated using capillary zone electrophoresis. Prediction of migration in aqueous systems using pKa-related data and the migration behaviour using sodium dodecyl sulphate in the buffer are discussed, as is the choice of buffer systems. The electrophoretic patterns are compared with the HPLC separation.

摘要

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