I think the capsule service that the company Imagene.fr sell is only few euros. To check though...
For ultra-durability, DNA needs to be conserved in an inert atmosphere since oxygen species react easily with the DNA chain.
Thanks everyone for information! :-)However, now I am back on square one: if the commercial DNA capsules are not an answer, how should I archive DNA samples provided that they are precious? Freezing is only a partial answer because it needs constant feed of energy, and every thaw-refreeze cycle can lower the quality. :-((Creating a new thread for this question so it does not get lost when someone else needs it...)
On Monday, February 25, 2013 6:09:44 PM UTC+1, Josiah Zayner wrote:As Dakota said, DNA is really stable. Usually in the > 100,000 year range on ice with nothing special added.
People have tested this by calculating a rate of hydrolysis and extrapolating.I have no doubt that DNA is stable, but I have also read many warnings about hydrolysis; some texts I stumbled upon even recommend only few days (!) of storage on ice. :-(Best regards,Jiri Dluhos--
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