EasyPrep Swab DNA Kit uses unique silica-membrane technology and a special buffer system for the purification of gDNA effectively. The Spin Column CR2 made of new type of silica-gel membrane in this kit can be easily bounded by DNA specifically. PCR inhibitors such as divalent cations and proteins are completely removed in two efficient wash steps, leaving pure DNA to be eluted in either distilled water (pH 7.0-8.5) or a buffer provided with the kit. The genomic DNA isolated with the product possess high quality and can serve as an excellent template for agarose gel analysis, restriction enzyme digestion, PCR analysis, and southern hybridization etc.