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jsyed4 jsyed4
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9 years ago
what is density gradient centrifugation? please explain purpose
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9 years ago
Density gradient centrifugation is 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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