Hospital purchasing nasopharyngeal swab manufacturer-Medico

Packing instructions of Medico nasopharyngeal swab manufacturers:
One: Use 100 sampling tube with nasal sampling swabs
1. Estimate the volume of this product required to completely immerse the sample (1g tissue requires 10mL).
2. Mark the collection tube and add the estimated amount of this product.
3. Cut the sample into pieces with a thickness of less than 0.5 cm.
Note: Rat liver, kidney, spleen and other small organ samples and plant samples without wax protective layer can be stored directly in this product without shearing. Plant samples with wax protective layer need to destroy the wax epidermis first.
4. Completely immerse the tissue pieces in the product in the collection tube.
5. Store the collection tube in a place with a proper temperature. The storage time cannot exceed the maximum storage time at that temperature. If you want to store it at -20℃ or -80℃, you need to put the sample at 4℃ overnight before transferring to The temperature after zui. Note: Before transferring the sample to -20°C or -80°C, the protection solution needs to be discarded. The relationship between common storage temperature and its maximum storage time is as follows:
6. Remove the sample from the storage place (samples stored at -20°C or -80°C must be thawed at room temperature), and use sterile forceps to remove the tissue fragments from the protective solution.
7. Immediately start RNA extraction or other processing (such as dividing the sample into smaller pieces and then resaving them). Note: The sample can be repeatedly frozen and thawed twenty times without affecting its RNA quality.