The ZymoPURE - Express Plasmid Midiprep Kit utilizes a patented alkaline lysis method for purifying up to 1.2 mg of high-quality endotoxin-free plasmid DNA directly from the culture without pelleting and resuspension steps. Just add the ZP Express Lysis Buffer directly to your bacterial culture, neutralize, filter debris, and purify using the patented Zymo-Spin V-P microcentrifuge column.