单词	Sephadex
释义	Sephadex /ˈsɛfədɛks / noun [mass noun] trademark A preparation of dextran used as a gel in chromatography, electrophoresis, and other separation techniques.In some respects, the matrix might act as a gel filtration system similar to cross-linked dextran such as Sephadex that separates polymers by molecular size.... Free calcein outside of the vesicles was removed by gel chromatography on Sephadex G - 25. Substrate specificities of each phosphatases isolated from Sephadex G200 were investigated at their optimum pH. Origin 1950s: of unknown origin.
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