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centrifugation |
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centrifugation /cen·trif·u·ga·tion/ (sen-trif?u-ga´shun) the process of separating lighter portions of a solution, mixture, or suspension from the heavier portions by centrifugal force. centrifugation (sen·trifˈ·y n the process by which substances are separated by cen-trifugal force to increase the rate of filtration or sedimentation of two immiscible liquids or a liquid and a solid. centrifugation the process of separating lighter portions of a solution, mixture or suspension from the heavier portions by centrifugal force. density gradient centrifugation a procedure for separating particles such as viruses or ribosomes or molecules such as DNA in which the sample is placed on a preformed gradient such as sucrose or cesium chloride. Upon centrifugation either by rate zonal or equilibrium procedures, the macromolecules are 'banded' in the gradient and can be collected as a pure fraction. |
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? Mentioned in | ? References in periodicals archive | |
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Phagocytosis and separation of hemocytes by discontinuous density gradient centrifugation were also studied. Concurrently, free particulates were separated from T-cells by density gradient centrifugation through Ficoll-Hypaque (Histopaque, Sigma, St. Purification of large quantities of influenza virus by density gradient centrifugation. |
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