Method of enhancing separation of abnormally light red cells fro

Details Method of enhancing separation of abnormally light red cells fro Method of enhancing separation of abnormally light red cells fro

1984-11-16

1986-06-10

Fisher, Richard V.

Liquid purification or separation

Processes

Separating

210789, 210927, B01D 2126

Patent

active

045941653

ABSTRACT:
In order to provide for a sharply defined line of demarcation between red cells and granulocytes in a centrifuged blood sample, the blood sample is drawn into a capillary tube. The bottom of the capillary tube is capped and the blood sample is centrifuged for a time sufficient to layer the blood sample in its constituent blood cell types. The capillary tube is then removed from the centrifuge and the top of the capillary tube is capped. The tube is then placed in the centrifuge inverted from its original orientation whereupon the sample is centrifuged again. Abnormally light red cells are thus trapped towards the bottom of the red cell column whereupon they cannot float up into the granulocyte band.

REFERENCES:
patent: 3750645 (1973-08-01), Bennett et al.
patent: 3960727 (1976-06-01), Hochstrasser
patent: 4027660 (1977-07-01), Wardlaw et al.
patent: 4082085 (1978-04-01), Wardlaw et al.
patent: 4159896 (1979-07-01), Levine et al.
patent: 4181609 (1980-01-01), Wardlaw et al.

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