The inner wall of the serum tube is specially coated with microscopic silica particles, which activate the coagulation process. Serum separator tubes contain a separation gel in the base of the tube; during centrifugation, this gel forms a stable barrier between the serum and the blood cells
Our red and gold top serum blood tubes are primarily used for drawing blood for chemistry, immunochemistry, immunohematology and viral marker testing. See our available red top Serum Clot Activator tubes and gold top Serum Separator tubes in a variety of sizes and types.
Greiner Bio-One manufactures high-quality blood collection tubes under the VACUETTE® Blood Tube brand name. Most VACUETTE® Blood Tubes contain chemical additives, which in combination with a pre-determined vacuum, guarantee the correct mixing ratio of blood sample to additive.
Reliable results make VACUETTE® Blood Collection Tubes the optimal collection product for analysis with all current instrumentation. All tubes are CE marked.