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What phlebotomy tubes do not get spun in the centrifuge?
Gray top tubes with sodium fluoride/potassium oxalate additive should not be spun in the centrifuge as it can alter test results by causing hemolysis. These tubes are usually used for glucose testing and need to be kept upright to prevent mixing with cells.
How can blood be separated by centrifuge?
Blood can be separated by centrifuge based on the different densities of its components. When spun in a centrifuge, the heavier components such as red blood cells are forced to the bottom of the tube, while the lighter components such as plasma rise to the top. This allows for easy separation of the different parts of the blood for various analyses or procedures.
What is the definition of centrifuge tubes?
Centrifuge tubes are cylindrical containers used to hold samples during centrifugation, a process of separating substances of different densities using centrifugal force. They are typically made of plastic or glass, and come in various sizes to accommodate different volumes of samples.
How do you use centrifuge to separate plasm in blood?
To separate plasma from blood using a centrifuge, the blood sample is first collected in a tube. The tube is then placed in the centrifuge and spun at high speeds, causing the blood components to separate based on their density. Plasma, being the lightest component, will rise to the top of the tube, allowing it to be easily pipetted off and collected for further analysis.
What happens after blood is clotted and spun in a centrifuge?
After blood is clotted and spun in a centrifuge, it separates into three main components: red blood cells at the bottom, a thin middle layer of white blood cells and platelets called the buffy coat, and plasma at the top. These components can then be analyzed separately to assess various aspects of a person's health.
