General knowledge of laboratory cryopreservation

Cryopreservation tube is mainly used for low-temperature transportation and storage of biomaterials.
Cryopreservation tubes are generally used for cryopreservation of laboratory cells. It is generally used in biology, medicine and food industry.
There is no strict classification of cryopreservation tubes, generally according to the volume, such as 0.5ml, 1.0ml, 1.5ml, 1.8ml, 2.0ml, 4ml, 5ml, 7ml, 10ml, etc. General cryopreservation tubes cannot be put into liquid nitrogen, only those with special materials can be put in. At the same time, there are double-layer and non double layer cryotubes with and without silica gel pad, colorless and variegated and various pure colors. These are designed according to the needs or convenience of experiments, and there is no strict division.
When you buy, you should choose the right cryopreservation tube according to your own needs. Is it general or can you enter the liquid nitrogen? If it is necessary to store in liquid nitrogen, it is necessary to select the sealed special cryopreservation tube with low temperature resistance, and to recognize whether the cryopreservation tube purchased is sterile and DNA and RNA free. In addition, if it is newly bought and has not been opened outside, it can be used directly. If it has been opened outside, it can be pressurized.

At present, there are many kinds of cryopreservation tubes in the market. The specifications and materials of cryopreservation tubes produced by different manufacturers are different, and the price gap is large
Users can buy cryotubes according to their own situation.

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