Simple titrimetric method for the analytical control of macromolecular polypeptides |
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Authors: | Burger K Pékli M |
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Affiliation: | Department of Inorganic and Analytical Chemistry, L. Eötvös University, Budapest, Hungary |
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Abstract: | A simple potentiometric procedure based on the determination of the primary amino groups in macromolecular polypeptides is presented. The method was found suitable for the detection of decomposition processes involving splitting of the peptide chain (liberation of primary amino groups) and deamination. The method has been applied to analysis of corticotropin fragments (ACTH(1-28) and ACTH(1-32)), Angiotensin II, and the basic trypsin inhibitor Kunitz base (Trasylol). |
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