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Presto™ Mini Plasmid Kit (Endotoxin Free)

DNA Extraction/Plasmid DNA Purification

The Presto™ Endotoxin Free Mini Plasmid Kit was designed for transfection grade plasmid DNA purification from 1-5 ml of cultured E. coli cells using silica-membrane spin columns. A modified alkaline lysis method and RNase treatment are used to obtain clear cell lysate with minimal genomic DNA and RNA contaminants. In addition, an efficient endotoxin removal step is integrated in the procedure and endotoxins are precipitated in a proprietary reagent. TrueBlue Lysis Buffer (an optional color indicator) is included with the kit in order to prevent common handling errors, ensuring efficient cell lysis and neutralization. DNA phenol extraction or alcohol precipitation is not required and the entire procedure can be completed within 50 minutes. The purified endotoxin free plasmid DNA is ready for use in transfection, restriction enzyme digestion, ligation, PCR, and sequencing reactions.

Specifications (Cat. # PEH100, PEH300)

  • Endotoxin Free, Transfection Grade Plasmid DNA: <0.1 EU/µg of plasmid DNA
  • Convenient: TrueBlue Lysis Buffer is an optional color indicator included with the kit to reduce common handling errors, while ensuring efficient cell lysis, neutralization and maximum plasmid product yield so you can feel confident with each and every plasmid prep.
  • Plasmid Size: 1-15 kb
  • High Yield: up to 40 µg of transfection grade plasmid DNA
  • Sample Volume: 1-5 ml of cultured bacterial cells
  • Elution Volume: 30-100 µl
  • Spin Columns: glass fiber membrane optimized for plasmid DNA purification
  • Storage: dry at room temperature (15-25°C)

Transfection, Restriction Enzyme Digestion, Library Screening, Ligation, PCR, Transformation and Sequencing Reactions


  • PE1, PE2, PE3, PE4, PE5 Buffers
  • TrueBlue Lysis Buffer
  • W1 Buffer
  • Wash Buffer
  • Elution Buffer (10 mM Tris-HCl, pH8.5 at 25°C)
  • RNase A
  • PDH Columns
  • 2 ml Collection Tubes

Quality Control

The quality of the Presto™ Endotoxin Free Mini Plasmid Kit is tested on a lot-to-lot basis according to Geneaid’s ISO-certified quality management system. Plasmid DNA from a 4 ml overnight E. coli (DH5α) culture, containing plasmid pBluescript (A600 > 2 U/ml) is purified using the Presto™ Endotoxin Free Mini Plasmid Kit. Following the purification process, a yield of more than 25 μg is obtained and the A260/A280 ratio is between 1.8-2.0. The purified plasmid (1 µg) is used in EcoRI digestion, and analyzed by electrophoresis.

Specifications Presto™ Endotoxin Free Mini Plasmid Kit Presto™ Mini Plasmid Kit High-Speed Plasmid Mini Kit Large Plasmid DNA Extraction Kit Presto™ 96 Well Plasmid Kit
Cat. # PEH100 PDH100
Format Spin Column Spin Column Spin Column Spin Column 96 Well Plate
Binding Capacity 40 µg 50 µg 30 µg 30 µg 35 µg
Culture Input 1-5 ml 1-7 ml 1-5 ml 1-4 ml 1-5 ml
Plasmid Size 1-15 kb 1-15 kb 1-15 kb 10-50 kb 1-15 kb
Typical Yield up to 40 µg up to 50 µg 10-30 µg 10-25 µg 25-35 µg/well
Elution Volume 30-100 µl 30-100 µl 30-100 µl 50-100 µl 100 µl
Operation Time <60 minutes <15 minutes <15 minutes <15 minutes 25 minutes
Product NameRXNS/VOLUMECatalogue Number
Presto™ Endotoxin Free Mini Plasmid Kit100PEH100
Presto™ Mini Plasmid Kit100, 300PDH100/300
High-Speed Plasmid Mini Kit100, 300PD100/300
Large Plasmid DNA Extraction Kit100, 300PDL100/300
Midiprep Spin Column Plasmid Kit25PA025
Presto™ Midi Plasmid Kit25PIF025
Presto™ Midi Plasmid Kit (Endotoxin Free)25PIFE25
Geneaid™ Midi Plasmid Kit25PI025
Geneaid™ Midi Plasmid Kit (Endotoxin Free)25PIE25
Presto™ Plasmid DNA Concentration Kit25, 50, 100PC0250/500/1000
Geneaid™ Maxi Plasmid Kit10, 25PM010/25
Geneaid™ Maxi Plasmid Kit (Endotoxin Free)10, 25PME10/25
Presto™ 96 Well Plasmid Kit4 x 96, 10 x 9696PDC04/10