improve the signal in Northern ?

peijunz at peijunz at
Thu Feb 25 22:44:41 EST 1993

Hi, there. 
I have a trouble in my Northern blot. The total RNA loaded was 20 ug
and the signal still weak in my Northern. The longer time exposured to
the film, the heavier background I got. How can I improve the signal
as well as cut down the background? 
Thank you for your help.

Peijun Zhang
peijun_zhang_a at

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