Maxi Fast-Ion Plasmid Kit

Model Number IB47120

  • Item Description
  • Specifications
  • Protocol
  • Technical Information
  • Replacement Columns and Buffers
  • Sample Size: 100ml high-copy plasmid/250ml low-copy plasmid
  • Operation: Gravity Flow Column
  • Expectant Yield: 500µg to 1mg of plasmid DNA
  • Operation Time: 120 minutes or less

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The Maxi Plasmid Kits use pre-packed ion-exchange resin columns to purify plasmid or cosmid DNA from bacterial cultures. In this process, the modified alkaline lysis method and RNase treatment are used for creating cleared lysate with minimal genomic DNA and RNA contaminants. Using a gravity-flow procedure, the plasmid DNA in crude lysate has been bound to the column. The contaminants can be washed off with a wash buffer. Finally, the purified DNA is eluted by a high salt buffer and then precipitated with isopropanol for desalting. The entire procedure can be completed in less than two hours. The purified plasmid DNA is suitable for transfection, sequencing reactions, PCR, and in-vitro transcription.

The quality of the Fast-Ion Maxi Kits is tested on a lot-to-lot basis by isolating plasmid DNA from a 100 ml overnight E. coli (DH5α) culture, containing pBluescript (A600>2U/ml). More than 400 µg of plasmid DNA is quantified with a spectrophotometer. The purified plasmid (1 µg) is used in EcoRI digestion, and checked by electrophoresis.

Specifications Maxi Fast-Ion Plasmid Kit
Format: Anion-Exchange
Operation: Gravity Flow
Binding Capacity: 1.5 mg
Sample Concentration: 200-1600 ml
Sample Type: cultured bacterial cells (high-copy = 200-800 ml, low-copy = 500-1600 ml)
Fragment Size: 1-20 kb
Typical Yield: 1-1.5 mg
Elution Volume: 500 µl- 2 ml
Operation Time: <180 minutes

What competitor’s kit is comparable?QIAGEN Plasmid Maxi Kit QIAGEN QIAfilter Plasmid Maxi Kit

Does this kit come with a plunger?Our kit does not use a plunger. The Maxi Plasmid uses gravity flow to ensure no plugging will occur and preventing the loss of the sample.

How can I improve the yield from the plasmid kits, when I have low copied DNA?To improve the DNA yield, increase the volume of bacterial culture to 5 ml, this should work.

What are the new starting volume & yields?The protocol has been revised as such; the maxi plasmid kits yield up to 1.5 mg of transfection grade plasmid DNA from 400 ml of cultured bacterial cells.

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