Centrifugal tubes are a commonly used laboratory consumable for centrifugal operations and sample separation. It is usually made of corrosion resistant materials such as polypropylene or polyethylene, and has the characteristics of high transparency, high temperature resistance and chemical erosion resistance.

Advantages of centrifugal tubes include:

1. Good separation effect: the centrifugal tube can effectively separate and concentrate the sample to the bottom, so that the supernatant is separated from the sediment.

2. Easy operation: The centrifugal tube is simple in design and easy to use, and is usually used with centrifuges.

3. Safe and reliable: the centrifugal tube has good sealing performance to prevent sample leakage or contamination.

4. Multi-capacity selection: centrifugal tubes have different capacity specifications, which can meet different experimental needs.

Centrifugal tubes are widely used in biomedical research and clinical diagnosis, mainly for the following aspects:

1. Sample centrifugation: used to separate cells, proteins, nucleic acids and other samples, to facilitate subsequent analysis, measurement and experimental operations.

2. Disease diagnosis: Centrifugal tubes can be used for centrifugation of samples such as blood and urine for diagnosis and monitoring of diseases.

3. DNA/RNA extraction: Centrifuge tubes can be used in the centrifuge separation step of the DNA or RNA extraction process to help remove waste liquid and solid impurities.

4. Protein purification: Centrifugal tubes can be used for precipitation and concentration steps in the protein purification process to facilitate the separation and purification of proteins.

5. Storage freezing: Centrifugal tube can be used as a sample freezing container for the storage of cells, serum, enzymes and other samples, and its sealing performance helps to prevent contamination and water evaporation.

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