why fix sequencing gel?

Daniela Sciaky reedc at iac.net
Sun Mar 12 22:00:53 EST 1995


32P sequencing gels are fixed in acetic acid so they can be exposed at
room temperature without drying down.The fixing prevents diffusion  of the
bands at room temperature. However, don't fix the gel and then place at
-70 - you get a gel that's cracked to smithereens!

Daniela Sciaky



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