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Faq / Storing

Storing

We do not recommend to store the solution with PBS at -20ºC. By using PBS as a buffer and storing at -20ºC you will create phosphate acid which might damage the proteins. After using a PBS buffer you can store it in a refrigerator at 2-8ºC. For how long you can store it depends on the quality of your PBS and how sterile you are working. If you really want to freeze the solution we recommend to use 0.9% NaCl. In general, we recommend to freeze-thaw your material as little as possible.
The storage time depends on the production date and type of products. Most of our allergens can be stored for approximately 5 years in a -20ºC freezer.
Allergens must be stored at -20ºC upon arrival.