Bact-2-PCRTM Tuberculosis Sample Prep Xtractor Solution Cell lysis and DNA extraction made easy and ready to use template for downstream processing. 24 preparations/kit. Xtractor solution is designed for the hardest microorganisms and it can handle whatever sample you have and want to extract the DNA from. The protocol is as easy as: 1) Sterilize sputum samples 2) Pellet the sample microorganisms and decant the supernatant. 3) Wash pellet 4) Mix with Xtractor and boil 5) Centrifuge to collect supernatant. DONE! The DNA can be used for PCR, restriction digest, or other molecular techniques. Each kit contains sufficient material to extract 24 samples, of ~20uL pellets. Inquire about large package sizes. Need a low or high-throughput sample preparation kit? Check out our full line of Sample Preparation Solutions.