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Caluculating the weight of DNA

Discussion of all aspects of biological molecules, biochemical processes and laboratory procedures in the field.

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Caluculating the weight of DNA

Postby lup0 » Thu Aug 23, 2012 9:34 pm

This may seem like a simple concept to some, but I need some help.
How would I go about calculating the weight of a DNA sample, for example in ng or pg. I'm primarily getting in to the field of forensic
genetics, and low copy number DNA is something i've been researching, frequently authors will refer to low amounts of DNA being in the picogram region, with good amounts being in nanograms.

How would you determine the weight of the DNA sample?

Thanks.
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Postby JackBean » Tue Nov 06, 2012 11:48 am

weight it? :-P

Measure absorbance of your solution and calculate the concentration.
http://www.biolib.cz/en/main/

Cis or trans? That's what matters.
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