Concentration of DNA

fang at SASK.USASK.CA fang at SASK.USASK.CA
Mon Nov 18 10:48:53 EST 1996


Dear netter,
How do you measure DNA concentration accurately? By gel (agarose or 
acrylamide) or by spectrophotometer? What is the lowest concnetration you 
can get? Say the DNA is 500 - 1 kb in size. How do you measure very low 
concentration, eg. around 5 ng/ul, and you could not afford 1 ml of DNA 
sample for measureing? 
Thank you very much in advance. 

Li 



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