density gradient centrifugation


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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.
References in periodicals archive ?
The density gradient centrifugation was carried out in 13-mL tubes.
The viabilities of the fresh hemocytes collected from the oysters and the separated hemocyte subpopulations by Percoll discontinuous density gradient centrifugation were estimated by the 0.
Concurrently, free particulates were separated from T-cells by density gradient centrifugation through Ficoll-Hypaque (Histopaque, Sigma, St.
These problems have, in part, been overcome by the introduction of more rapid procedures, including tube gel electrophoresis [Quantimetrix Lipoprint (7)] and nuclear magnetic resonance (8), and wider recognition of a definitive classification of LDL subclasses based on the comparison methods of density gradient centrifugation and GGE (4-6).
Mononuclear leukocytes were first separated by conventional density gradient centrifugation or equivalent methods.