Shrinking cDNA yield after a few days

Mathias Droll madro at
Mon Feb 5 16:46:13 EST 2001

I am isolation RNA (Chomzynksy) from frozen sections for RT-PCR.
The cDNA wich i keep in the freezer is very unstable.
The PCR on the same Day of the extraktion works well, but a few day after 
the Extraktion, it  wont work
whats the problem?

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