QIAprep Spin Miniprep Kit. For purification of�up to 20 micro g molecular biology grade plasmid DNA. Kit contents: Qiagen QIAprep Spin Miniprep Kit, 250 preps, 1 to 100mL Culture Volume, 50L Elution Volume, Molecular Biology Grade Plasmid DNA Purification, Silica Technology, Spin Column Format, Manual Processing, <30 min. Time/Run, <20g Yield, Ideal for Fluorescent and Radioactive Sequencing, Ligation, Cloning, Transformation etc., For Purification of up to 20micro g Molecular Biology Grade Plasmid DNA, Includes 250 QIAprep Spin Columns, Reagents, Buffers, 2mL Collection Tubes. Benefits: Ready-to-use plasmid DNA in minutes . Reproducible yields of molecular biology grade plasmid DNA . Single protocol for high- and low-copy vectors . Even higher yields with the High-Yield Supplementary Protocol . Improved QIAprep 2.0 Spin Column. GelPilot loading dye for convenient sample analysis