density gradient centrifugation(redirected from band centrifugation)
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den·si·ty gra·di·ent cen·trif·u·ga·tion
ultracentrifugation of substances in concentrated solutions of cesium salts or of sucrose; at equilibrium, the medium exhibits a concentration (hence density) gradient increasing in the direction of centrifugal force and the substances of interest collect in layers at the levels of their densities. See: isopycnic zone.
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