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It has been suggested that this article or section be merged with Blood plasma fractionation. (Discuss) |
Blood fractionation is the process of fractionating whole blood, or separating it into its component parts. This is typically done by centrifuging the blood.
The resulting components are:
- a clear solution of blood plasma in the upper phase,
- the buffy coat, which is a thin later of leukocytes (white blood cells) mixed with platelets in the middle, and
- erythrocytes (red blood cells) at the bottom of the centrifuge tube.
Serum separation tubes are tubes used in phlebotomy containing a silicon gel; when centrifuged the silicone gel forms a layer on top of the buffy coat, allowing the blood plasma to be removed more effectively for testing and related purposes.
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