DNA "refusing" to be run in agarose gel

Marcel Hoffmann hoffmann at chem.vu.nl
Tue Aug 29 05:09:48 EST 1995

The fact that your DNA sample spreads out of the well can have the 
following cause in my opinion:

your sample contains traces of ethanol, parafin, or other traces of 
substances that don't belong in your DNA sample.

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