(no subject)

[chovek69]

On Mar 16, 12:14 pm, Fatemeh Azadegan <fatemeh_2... from yahoo.com> wrote:
> hello,can anyone tell me how to extract dna fram blood (human)stored in a ordinary freezer.i have to separate blood mixed by serum.anyone have a protocol for it with soulting out method.the samples are six month old.

You can not separate serum because freezed-thawed blood would be
haemolyzed. However you can isolate DNA from the whole thing. See this
thread
http://www.protocol-online.org/biology-forums/posts/5198.html