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RNA on formaldehyde gel


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#1 Jennifer

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Posted 28 July 2001 - 09:00 PM

I am having trouble seeing my RNA on the formaldehyde gel. The ladder is visible, but my RNA just isn't there. What could be wrong with it?

Jennifer


#2 anonymous

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Posted 01 August 2001 - 09:00 PM

so if you loaded a defined amount of total RNA (quantified by measuring OD260, and it s not too less ;-) on your agarose gel you should see 18- and 28S ribosomal RNA bands. if it is not so, check your RNA concentration again. if you can reproduce your former amount of RNA it might be heavily degraded so that it is not visible after a long run:( i would check another method of RNA-preparation with focus on protecting RNA from degradation. use RNA protecting agents whenever possible. ambion (www.ambion.com) got fine reagents for this application.

greez

Marco





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