dissolving of RNA

[Susan Hogarth]

David F. Spencer wrote:


<snip> 
> As to this (apparently popular) notion that you can overdry an RNA pellet, let
> me state that this is pure hogwash.  If RNA is properly desalted then you can
> dry it for a week and it will redissolve just fine.  Note that this is quite
> different from the situation for larger quantities of even well washed high
> molecular weight (greater than 20-30 kb) _DNA_.  In this case it is definitely
> unwise to do more than a light drying if you wish to get the DNA
> resolubilized in less than days or weeks.

Again; why? Is it the residual salt?
-- 
Susan
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