Jeff Velten (jvelten at mail.csrl.ars.usda.gov) 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