英语词汇“density gradient centrifugation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	density gradient centrifugation
释义	DictionarySeecentrifugation density gradient centrifugation density gradient centrifugation [′den·səd·ē ¦grād·ē·ənt sen‚trif·ə′gā·shən] (analytical chemistry) Separation of particles according to density by employing a gradient of varying densities; at equilibrium each particle settles in the gradient at a point equal to its density. density gradient centrifugation 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. Synonym(s): band centrifugation, zone centrifugation
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density gradient centrifugation