Hi Genclean III from Bio 101 is the best kit available for purification of DNA from the agarose gels. You can use any percentage of agarose, and the total time is 15 to 20 minutes, and you can pure DNA for further process. Cheers Tanvir <http://www.biowww.net/forum/read.php?f=1&i=3560&t=3544>