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Journal of Lipid Research, Vol. 2, 203-207, July 1961
Copyright © 1961 by Lipid Research, Inc.
Donner Laboratory of Biophysics and Medical Physics, Lawrence Radiation Laboratory, University of California, Berkeley 4, California
Dialysis of three major lipoprotein fractions from human serum, Sf20-105, Sf0-20, and -S1.200-16, against low concentrations of cupric ion is associated with accelerated chemical alteration of polyunsaturated fatty acids and cholesterol. Less extensive changes in these acids were observed during dialysis against ion-free water. Reaction products of these chemical alterations were irreversibly retained on succinic acid-diethylene glycol polyester gas chromatographic columns. Present evidence suggests that these reaction products are relatively polar compounds, probably in the chemical class of lipoperoxides.
Submitted on December 14, 1960
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