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Journal of Lipid Research, Vol 24, 666-669, Copyright © 1983 by Lipid Research, Inc.
ARTICLES |
CG Wong and S Ladisch
Extraction with diisopropyl ether-1-butanol is a rapid method for the delipidation of serum without protein denaturation. We sought to confirm that this solvent system would also extract the highly polar acidic glycosphingolipids, gangliosides. In fact, however, both endogenous serum gangliosides and radiolabeled rat brain gangliosides added to serum were nearly quantitatively retained (87.5% and 98.7%, respectively) in the aqueous phase after two extractions. Therefore, while useful for the extraction of most lipids, this delipidation procedure cannot be used to remove gangliosides from serum or plasma.
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