Cholesterol immobilization via ether-linked Sepharose gels
Abstract
Cholesterol has been immobilized on Sepharose-6B via oxyether linkages to the 3- or 25-position. The 3- or 25-hydroxysterol methanesulfonates were coupled with epoxy-Sepharose-6B at 80 °C for 24 h. Approximately 2% of the ligand was incorporated into the gel. These types of affinity columns may be useful in purifying proteins that specifically bind or metabolize cholesterol.
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