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Clinical Chemistry 28: 756-758, 1982;
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Clinical Chemistry, Vol 28, 756-758, Copyright © 1982 by American Association for Clinical Chemistry

A simple method of eluting proteins from two-dimensional gels

J Guevara Jr, EA Chiocca, FC Clayton, AC von Eschenbach and JJ Edwards

Apo A-I lipoprotein was extracted from the appropriate pieces of two- dimensional gel patterns, by electrophoresis onto hydroxylapatite overlaying a slab of polyacrylamide sodium dodecyl sulfate gel. The extracted protein was then eluted from the hydroxylapatite by washing with increasing concentrations of phosphate buffer. The recovered protein was electrophoretically homogeneous. We believe that this method can be generally useful in the purification, for study, of proteins identified on two-dimensional gels as putative markers of disease.




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Copyright © 1982 by the American Association for Clinical Chemistry.