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What is the clot activator in BD Vacutainer® SST™ Serum Separation Tubes?

April 26, 2017activator BD clot Separation serum tubes vacutainer®

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What is the clot activator in BD Vacutainer® SST™ Serum Separation Tubes?

1 Answer

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The silica particles that coat the walls of the BD Vacutainer® SST™ tube are the clot activator. Initial activation occurs when blood enters the tube and contacts the particles on the tube wall. To continue the activation process, it is necessary to thoroughly mix the blood and particles by inverting the tube five times.