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Lab Freeze Dryer For Vaccine

Vaccine refers to a preventive biological product used for human vaccination in order to prevent and control the occurrence and prevalence of infectious diseases. In the production process of vaccines, the freeze-drying process has been more and more widely used, because lyophilization can...


Vaccine refers to a preventive biological product used for human vaccination in order to prevent and control the occurrence and prevalence of infectious diseases. In the production process of vaccines, the freeze-drying process has been more and more widely used, because lyophilization can better avoid the immunogenicity of microorganisms damaged by protein denaturation compared with traditional methods.


The lyophilized vaccine, that is, the pathogenic microorganism is subjected to passage or genetic modification, and the pathogenic microorganism is not pathogenic on the basis of not destroying the original immunogenicity, and the pathogenic microorganism which loses pathogenicity is amplified. The culture solution is placed in a lyophilizer, and the vacuum in the lyophilizer is increased by a low temperature method, so that the water in the culture solution is separated by sublimation, and a dry powder which maintains the immunogenicity of the original microorganism is prepared, which is frozen. Dry vaccine.


When the lyophilized vaccine is used, it must be diluted with a dilution (mostly physiological saline, some also with a buffer) to a certain multiple and then injected.

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