Amicon has columns for this puprpose. Also Qiaex II gel extraction system
of Qiagen is probably the best that I have used. Its simple, cheap and
recovery is quite high.
Muhammad A. Lodhi
Cols Spring Harbor Laboratory
>In article <48vagp$7pk at sparcserver.lrz-muenchen.de>, Tim Angelotti
><102055.606 at compuserve.com> wrote:
>>> I have heard about microcentrifuge spin columns that can be used to
>purify DNA from agarose
>> gels. These are not based on DNA binding matrix in the spin-column but
>are merely a rapid spin
>> that drives the gel solution and DNA out of the matrix. Does anyone
>know who sells these or
>> how to make your own?
>>I read in a recent issue of Biotechniques (1994 or 1995) about the use of
>filtered pipette tips as spin columns. The authors claimed 50% recovery
>although I haven't tried it.