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Freezing tube with QR code prefabricated at the bottom

In traditional domestic genetic resource sample banks, experimenters use pre-printed or on-site printed labels to mark cryo-storage tubes on the tube wall. The acquisition and preservation of sample-related information needs to be processed manually before samples are put into the warehouse, which is slow, low in efficiency, and The error rate is high, and accidents such as the label affixed to the tube wall falling off often occur in a low-temperature environment, which cause obstacles to the use of samples.
In recent years, two-dimensional codes with more information, smaller label areas, and more suitable for large-scale mechanized operations have generally replaced one-dimensional code labels. This is an inevitable trend for the development of sample libraries from manual to mechanized. However, if the two-dimensional code is only made into a printed label and stored in liquid nitrogen or low temperature, especially after repeated freezing and thawing, problems such as falling off or abrasion of the two-dimensional code often occur, resulting in loss of information.
The two-dimensional code is directly recorded on the special material of the cryopreservation tube through laser etching technology, and a two-dimensional code scanning device has been developed to solve the problem of large-scale sample entry and exit, and it is also convenient to save sample library space and improve samples. The level of library automation. The emergence of this type of product has completely broken the monopoly of foreign products, and has now been promoted and applied in the construction of large-scale domestic sample banks.