bright specks in EtBr stained gels - out, damn'd spot!

Martin Goodson bapn4 at
Fri Feb 7 04:12:08 EST 1997

Jeff Velten (jvelten at wrote:
: You might check to see if your gloves contain powder.  After switching
: to powderfree gloves we've eliminated random spots in both EtBr and
: sequencing gels.

I changed to a new soln. of EtBr, thinking that the spots came from EtBr 
crystals around the neck of old tubes of the dye. The problem


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