Have you ever run out of columns that come with your favorite plasmid extraction kit but still had a lot of left-over buffer reagents remaining? Instead of buying a new expensive kit you can use PuroSPIN™ columns with the left-over buffers as a cost-effective alternative. Simply use PuroSPIN™ columns while following the manufacturer-specific protocols. - Nucleic acid binding capacity: 2.3 mg of genomic DNA, 500 µg of plasmid DNA - Compatible as cost-effective replacement columns for Plasmid DNA purification kits from Qiagen, ThermoFisher, Bio-Rad, Promega and other manufacturers - PuroSPIN™ MAXI silica spin columns are designed for fast, simple and efficient extraction of Plasmid DNA from bacterial cultures