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What is SST tubes ?
2024-08-22
Gel and Clot Activator Tube also known as SST tube, which means serum separator tube. The cap of the Gel and Clot Activator Tube is yellow,
and there is coagulant in the blood collection tube to accelerate the coagulation process.
It can clot the collected blood within 5 minutes, which is suitable for emergency serum series tests.
It is the most commonly used coagulant tube for daily biochemistry, immunity, serum, hormone, etc. After blood drawing,
it can be mixed upside down for 5-8 times.
When the room temperature is low, it can be put in 37℃ water bath for 10-20 minutes, and centrifuge the upper serum for use.
Gel and Clot Activator Tube is used for clinical biochemistry and immunology and drug testing. The coagulant is evenly sprayed on the inner surface of the tube,
which greatly shortens the clotting time. After centrifugation, the gel will solidify and completely isolate the serum from the fibrin cells, acting like a barrier,
effectively preventing the exchange of substances between the serum and the cells. Improve the efficiency of serum collection, obtain high-quality serum,
and obtain more realistic test results. Keep the serum stable for more than 48 hours, without significant changes in biochemical properties and chemical components,
and can be directly used in sampling analyzers.
These tubes should be used with care when measuring drug or hormone levels because the drug or hormone may diffuse from the serum into the gel, causing a reduction in measured level. The gel in SST II tubes (which appears slightly less opaque) is supposed to have less effect on drug levels in serum.