IGEM:Arizona State/2014/Notebook/asu igem 2014/2014/07/01

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7/1/14 Gel Electrophoresis

  • Gel Electrophoresis of Plasmids
  • Made TAE buffer with 1 L of distilled water and 20mL of 50X stock of TAE. Also prepared the gel with agarose and water mixture and let solidify.
  • Made plasmids ready by using 3μL of DNA and 3μL of loading dye. 5 tubes of this were made as well as 1 tube of ladder 3μL.
  • Insert ladder as well as DNA plasmids in wells and let sit for around 45-50 minutes.
  • This was to determine concentration of plasmids
  • Next, the sizes of the plasmids were tested to see how accurate they are compared to the literature value
  • Used the plasmids and cut them with restriction digests
  • 2μL of DNA, 1μL of Buffer, 5μL of water, 2μL of, 1μL of E and 1μ of P restriction digests.
  • Heated in a 37°C water bath for around 40 minutes
  • Plasmids that have been cut were taken out and loading dye was input--2μL
  • This along with the ladder was filled into the wells and the machine was run for around 35 minutes. The voltage was increased from 80 V to 100 V
  • Pictures were taken of both gels and data recorded.



Reagent Volume Expected:
1. BB 1 = size
2. BB2 = size
Hover name
15 μL/lane; 1% agarose; Ladder
DNA(plasmid) 2.0 μL
10X buffer 1.5
EcoRI 1.0
PstI 1.0
dH2O 9.5
  15 μL --> 37°C/ ~40 min.


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