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Heating elution buffer for plasmid prep - (Apr/28/2014 )

Anyone knows the rationale behind heating the elution buffer from the commercial plasmid prep resin for large plasmids (>10kb)? 

Some commercial kits suggest heating the buffer to 70°C to improve the yield.


-science noob-

It's the same rationale as for dissolving most things in aqueous solutions - warm will dissolve more.