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AAT Bioquest

What are the applications for each type of centrifugation technique?

Posted May 9, 2024


Answer

Analytical centrifugation is used to: 

  • Determine purity of macromolecules in solution
  • Track changes in molecular mass of supramolecular complexes
  • Establish relative molecular mass of solutes in their native configuration

Differential centrifugation is used to: 

  • Separate cell membranes and cellular organelles
  • Low –resolution nucleus isolation
  • Purify extracts containing larger-sized impurities

Density gradient centrifugation is used to: 

  • Purify large volumes of biomolecules
  • Purify viruses for further analysis
  • Determine densities of different particles 

Rate-zonal density gradient centrifugation is used to: 

  • Isolate viruses based on the unique size and density of their components
  • Isolate, purify, and fractionate DNA molecules from bacteria and viruses
  • Fractionate RNA on sucrose gradients

Equilibrium Density Gradient Centrifugation is used to: 

  • Purify large volumes of biomolecules
  • Determine density of different particles

Isopycnic centrifugation is used to: 

  • Purify large volumes of biomolecules
  • Determine densities of different particles

Sucrose Gradient Centrifugation is used to: 

  • Separate macromolecules such as DNA and RNA
  • Determine the size and density of macromolecules
  • Analyze protein complexes

Differential Velocity (Moving Boundary) Centrifugation is used to: 

  • Separate cell membranes and organelles
  • Low-resolution nucleus isolation
  • Identify and compare particles of varying sizes
Additional resources

Creating arrays by centrifugation

Buffers and Lab Consumables

ReadiUse™ Bio-Gel P-6 spin column