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Qiagen MIDI protocol

in the Beckman. Promptly pour supernatant into another round-bottom 13 ml polycarbonate tube and re-centrifuge at 20,000 x g for 15 min. While the centrifugation is happening, equilibrate a Qiagen-tip 100 (see next step). 7. To equilibrate the tip

Miniprep/Qiagen kit

  Materials For purifying plasmid DNA from Escherichia coli cells, the Qiagen Spin Miniprep Kit produces quite reliable results. Do not autoclave solutions containing isopropanol or MOPS; use sterile filtration if necessary.

Qiagen MIDI protocol(QIAGEN plasmid Midi试剂盒)

质粒DNA的提纯是基因工程实验中最常用的试验方法之一，质粒DNA提纯效率和质量与其后续实验步骤（如PCR扩增、酶切、连接、转化大肠杆菌和转染真核细胞等）的成功与否有着直接的关系，因此高效快速地从细菌细胞中提纯质粒DNA 具有重要的意义，本文主要介绍了由QIAGEN plasmid Midi试剂盒方法提取质粒的方法。1. Pick a single colony from a streak plate and inoculate 25 ml of LB with appropriate