Separations Based on Mass or Density

Conditions for the Separation of Selected Cellular Components by Centrifugation 

Source Adapted from Zubay G. Biochemistry, 2nd ed. Macmillan New York, 1988, p. 120. 

Illustration showing separation by equilibrium-density-gradient centrifugation. The homogeneous mixture in (a) separates into three bands (b) after applying centrifugal force. 

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