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Introduction to the comparison of high temperature and freezing forms of dryers

Source: 本站 | Date of issue: 2022-03-17 14:00:40 | Views: 14073

摘要:

We all know that there are many types of dryers, which can be divided into two categories: high temperature and freezing. Whether it is a high temperature dryer or a freeze dryer, there are many functions. If you are interested in the advantages of th…

We all know that there are many types of dryers, which can be divided into two categories: high temperature and freezing. Whether it is a high temperature dryer or a freeze dryer, there are many functions. If you are interested in the advantages of these two dryers, then the following article will definitely satisfy you. In biology, there is a difference between using a high temperature dryer or a freeze dryer. We traditionally use a high temperature dryer. Scientifically speaking, it is necessary to decide which method to use according to the actual application. The freeze dryer is suitable for drying bacteria, viruses, plasma, serum, antibodies, vaccines, medicines, microorganisms, yeast, plant extracts for biological research, etc. Freeze-drying is the best method when preserving biologically sensitive tissues and tissues. Freeze-drying is used to preserve products that are easily dehydrated. After adding water, the characteristics of the raw materials can be restored again without affecting their biological activity. It is also suitable for drying at very low temperature, the protein remains anhydrous, and the other major chemical bonds remain unchanged. Through freeze drying, materials such as tissue, tissue extracts, bacteria, vaccines and plasma become dry. state, so that no enzymatic, bacterial and chemical changes occur.


The disadvantage of traditional high temperature dryers is that it can cause shrinkage of the material, destroying the cells, and the structure of the sample will not be destroyed during the freeze-drying process, because the solid components are supported by the ice in their seats. As the ice sublimates, it leaves pores in the dry leftover material. This preserves the integrity of the product's biological and chemical structure and its activity.


These are the specific differences between high temperature dryers and freeze dryers and the introduction of their working principles, hoping to help everyone understand the dryer.

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