Northern Blot troubles

Theo Roemen theo.roemen at fys.unimaas.nl
Fri Jan 11 03:23:29 EST 2002


We separate RNA by Northern blotting and detection with labeled probes.
Since a few month we get many black spots on the membrane after using 32P-
labeled probes and after auto-radiography. Does anyone know what could be
the cause of this?





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