gel permeation chromatography


gel permeation chromatography

[¦jel ‚pər·mē′ā·shən ‚krō·mə′täg·rə·fē] (analytical chemistry) Analysis by chromatography in which the stationary phase consists of beads of porous polymeric material such as a cross-linked dextran carbohydrate derivative sold under the trade name Sephadex; the moving phase is a liquid.