Separation of Serum & Plasma from blood centrifugation
Plasma:
It is obtained by
removing all formed elements from anti-coagulated blood
At
5000 r.p.m
for 3
– 5
minutes. This is required
for, Coagulation
profile, Fibrinogen assay etc.
Serum:
It is the fluid left behind after blood has clotted. This is the most common
Specimen
required for chemical and serological tests.
A plain test tube is used for blood collection and blood is allowed to clot.
The tube is then gently centrifuged to obtain clear serum
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