Products Description
A clot activator tube is a blood collection tube that containsa substance to speed up the clotting process and separateserum from blood. Clot activator tubes are used for clinicalbiochemistry,immunology, and drug testing.
Here are some things to know about clot activator tubes:
- How they work
The clot activator in the tube initiates the coagulation cascade, which causes a bloodclot to form quickly. This allows the serum to be separated from the clot after centrifugation.
- What they contain
Clot activators are usually made from silica or thrombin. Some tubes also have abarrier gel at the bottom that separates the serum from the cells and fibrin after centrifugation.
- How they are used
Clot activator tubes are sterile and designed for single use to prevent contamination.
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Other types of blood collection tubes include:
- Green: Contains sodium or lithium heparin, which prevents clotting.
- Purple: Contains potassium EDTA, which prevents clotting.
- Blue: Used for coagulation.
- Red: Used for chemistry, serology, and immunology.




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