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Can the liquid nitrogen tank for cell storage be a small model?

2024-03-04 09:52:55

When it comes to naming containers, many use them according to their purpose, and then use the purpose to make subdivided series of names, such as our liquid nitrogen tanks. Named after storing liquid nitrogen, it is a storage container for liquid nitrogen. It is divided into liquid nitrogen tanks for sperm storage and liquid nitrogen tanks for cell storage.

For cattle semen and for cells, they are divided according to capacity and size. The cells have larger volumes and larger diameters! Does that mean that the liquid nitrogen tanks used for cell storage are all large models? Regardless of the number of cells, the volume is more than 30!

Yeah?

Does the liquid nitrogen tank for cell storage have to be a large model instead of a small one?

Of course it can be a small model!

In addition to the vacuum insulation and material stability that liquid nitrogen containers should have to store samples, the essence is still the volume. The selection of the volume should be based on the number of stored samples, rather than a fixed thought that cells must be stored in liquid nitrogen tanks for cell storage.

Users who have seen the actual parameters will know that the capacity of the cell storage liquid nitrogen tank is 30-175 liters, the diameter is 125-216m, and the static daily evaporation loss is 0.35-0.89kg. Compared with the same volume, such as 30 liters and 50mm diameter, the static daily evaporation loss is only 0.19 k, the larger the diameter, the greater the liquid nitrogen evaporation loss.

Therefore, if the number of cells you have is only a dozen cryovials, or dozens of cryopreservation tubes, and there is no need for a cryopreservation rack, a small liquid nitrogen tank with a diameter of 50mm can be placed, then of course choose a small one, such as 10 liters, or smaller 6 liters, it is also a liquid nitrogen tank for cell storage, because cells are stored in it.

In this case, if you choose a large-sized liquid nitrogen tank for cell storage, such as 30 liters of 125, the price is more than double that of 10 liters. There is also a high daily evaporation of liquid nitrogen, plus the usual need to open the lid to take samples. , very uneconomical, it would be much more reasonable to use 10 liters and 6 liters.

Now, everyone knows that the liquid nitrogen tank for cell storage can be a small model, depending on what type of sample you are storing!

Can the liquid nitrogen tank for cell storage be a small model