Primers storage..

martin LEACH leach at
Wed Feb 28 18:50:07 EST 1996

In water -20C after 5 years they are still good....OD has to be measured
though .....I routinely measure conc. after each thaw..


George W Ohlandt (ohlandtg at wrote:
: I have had no trouble storing cDNA in treated water at -20C for 3+ 
: years.  Working concentrations of primers (20micromolar) I keep dissolved 
: in treated water at -20C.  Concentrated stock solutions of primers I keep 
: at -70C, which is also How I keep mRNA.

: George W. Ohlandt
: Medical University of South Carolina
: ohlandtg at

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