I have Dynabeads that are 5 years old now and was wondering if they are still good to use. Any ideas?
We've used them even after several years (maybe 3-4) and they seem fine.
Mostly they have a shelf life of a year from date of manufacture...
They might work, however, there is a significant leaching of the ligand. This is why the shelf life is not too long. We experienced that even after half a year there is limited efficacy of binding and separation.
The only way to be sure is probably to do some positive and negative test controls to test them out before you commit your samples to them. They might still be good : )
Hi, A minimum of 3 months remaining shelf life is promised. However, the shelf life for most products is years. Given the stability of the products they are usually functional long after expire date as well, The expire date for that particular vial can easily be check when knowing the batch/lot number. Feel free to contact me at any time. kind regards Ketil
My beads have expiry in this month and their function has been affected since last month.....
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