I actually store my ladder at room temperature in the etbr gel room without
issue, though I do keep it out of light.

On Mar 4, 2010 1:03 PM, "Christian Praetorius" <[email protected]> wrote:

[email protected] wrote:

>I recently ran a 2-8% gradient polyacrylamide gel. The 1kb Plus DNA >ladder
had multiple bands.
What does multiple bans mean? More bands than there should be?

>I suspect that I might be caused by the freeze thaw cycle.
For me, there is no reason of keep the ladder frozen. Store it in the
fridge.

Christian

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