For blood into tube cover, mixer test tube gently up and down many times:Network of fibrin-the quick against the cells covering the counties of silicamicronised forming blood clots.The serum (serum tubes) are split very fast within a few minutes after taking the blood instead of having to wait for the normal clotting process (15-30 minutes).After the centrifuge, the silica particles micronised prevent separately: on the serum and blood clots in the bottom.Prevent the metabolism between the blood cells and serum.Keep the chemical composition of the serum did not change in the long run.
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