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Gel electrophoretic distinction between Congo Red nonreactive beta-amyloid (1-42) and beta-amyloid (1-40)
A Chrambach1, A Chrambach, S K Brining
1Laboratory of Cellular and Molecular Biophysics, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892-1580, USA. acc@cu.nih.gov
Electrophoresis
|March 25, 2000
Abstract:
Congo-Red nonreactive beta-amyloid (1-42) exhibits in gel electrophoresis (pH 8.82, 0.01 M ionic strength, 2 degree C) a surface charge density larger than that of the corresponding peptide of length (1-40), and a size indistinguishable from that of (1-40).