Can we still extract serum after adding anticoagulant into blood vessels?

 

Looking at the laboratory of the hospital, you will find test tubes of different sizes. Some of these tubes are used to detect ESR, some are used to extract serum, and some are used for anticoagulation treatment. Each test tube plays a different role. One of the most common is anticoagulant test tube, which can anticoagulate blood before detection and effectively improve detection efficiency. However, in clinical practice, there are also operators who use test tubes with anticoagulants to extract serum. Is this correct?

 

In fact, this method is wrong. The anticoagulant added to the blood collection vessel will destroy the whole blood coagulation process and prevent blood coagulation. After treatment, the blood can no longer be separated. Because the difference between serum and blood cells is the lack of several coagulation factors, the test tube without anticoagulant is usually used, and the serum can be obtained by natural centrifugation after blood coagulation. If you want to obtain high-quality serum, you can also use tubes with serum separation gel instead of anticoagulant tubes.

 

To extract high-quality serum, it is recommended to use serum separation gel test tube, which can be processed according to the performance of separation gel. Because its structure contains many hydrogen bonds, and the purpose of the existence of hydrogen bonds is to combine the network structure. Once affected by centrifugal force, the network structure is damaged, and the viscosity becomes low. When the centrifugal force disappears, the network structure is re-associated, and the viscosity recovers.

 

At this time, combined with the specific gravity of the serum separation gel, it has very good thixotropy and separation performance. After collecting blood samples and waiting for the blood in the blood collection vessel to fully coagulate, centrifugation is carried out in a common test tube. The separation gel forms a barrier between the serum and the blood clot to separate them, thus ensuring the original characteristics of the blood sample. At a glance, you can clearly see the three layers of serum, separation gel and blood clot, which can also ensure the quality of extracted serum.

 

As a manufacturer of blood collection additives, Desheng produces a complete range of products including serum separators, coagulants and anticoagulants, which can provide one-stop procurement services for customers. At the same time, there are independent workshops and warehouses, and the daily output can reach tons to ensure the timely supply of goods and logistics transportation to the factory. If you have relevant requirements, please click the website for details!