| Message: | Non inactivated preservation solution: Hanks solution is mainly made of various inorganic salts, buffers, glucose and 0.4% phenol red under sterilization conditions, which is consistent with the pH value, osmotic pressure and aseptic conditions of the cell growth state, so as to prolong the survival time of the virus host cells in vitro; in addition, it also contains protein protectants to protect the stability of the virus, as well as buffers and cryoprotectants.
Use of virus preservation solution and sampling tube:
Before sampling, the sample information shall be indicated on the label;
According to different experimental purposes, sampling swabs were used to collect samples at corresponding positions;
The specific sampling methods are as follows:
a) Nasal cavity sampling: insert the swab head into the nasal cavity gently for sampling, use another swab to collect another nasal cavity sample in the same way, immerse the swab head in the sampling liquid and break the tail;
b) Throat collection: throat samples are collected with swabs, and the swab head is also intruded into the sampling solution to break the tail. |
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