Difference between revisions of "DNA extraction using Chelex 100"

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(Created page with "* Fill half a tube (500ul) with chelex 100 (try and get 50% beads and 50% clear liquid) * Scrape off some cheek cells into the end of a pipette tip, add this and some saliva to t...")
 
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* Fill half a tube (500ul) with chelex 100 (try and get 50% beads and 50% clear liquid)
+
* Fill half a tube (500ul) with 5% chelex 100 (try and get 50% beads and 50% clear liquid)
 
* Scrape off some cheek cells into the end of a pipette tip, add this and some saliva to the tube and mix
 
* Scrape off some cheek cells into the end of a pipette tip, add this and some saliva to the tube and mix
 
* Cover with a drop of paraffin Incubate at 56°C for 30 mins, then at 94°C for 10 mins
 
* Cover with a drop of paraffin Incubate at 56°C for 30 mins, then at 94°C for 10 mins
 
* Centrifuge briefly and take supernatant
 
* Centrifuge briefly and take supernatant
 
* Store at -20°C
 
* Store at -20°C

Revision as of 00:28, 24 August 2012

  • Fill half a tube (500ul) with 5% chelex 100 (try and get 50% beads and 50% clear liquid)
  • Scrape off some cheek cells into the end of a pipette tip, add this and some saliva to the tube and mix
  • Cover with a drop of paraffin Incubate at 56°C for 30 mins, then at 94°C for 10 mins
  • Centrifuge briefly and take supernatant
  • Store at -20°C