stripping Northerns

Lely Chow lelyc at
Sat Nov 8 01:17:48 EST 1997

I have never been able to successfully strip Northern probed with DIG
labelled probes.  It seems to be a problem intrinsic to using DIG probes,
as I do not have the problem when probing with p32 probes.  I would
suggest switching back to p32 probes.

Lely Chow
Department of Biological Structure
University of Washington
Seattle, WA 

On 29 Oct 1997, Dianne Emslie wrote:

> I am having problems stripping Northern blots probed with DIG labelled
> oligos and hope someone may have a better method.  I have tried boiling in
> 0.1% SDS which seems to remove the chemiluminescent substrate but not the
> oligo and I have tried the DIG Northern probe-stripping solution which
> contains 50% fomamide. That seemed to strip the probe off but also the
> RNA.  Does anyone have any suggestions? I would be most grateful for your
> help.
> Cheers
> Dianne Emslie

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