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POSI BLOT SOLUTIONS

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POSI BLOT SOLUTIONS

2X Posi blot denaturing sol'n
2 Liters

  1. 80g NaOH sodium hydroxide (pellets)
  2. 350.6g NaCl sodium chloride
  3. bring up to 2 liters with H2 O
  4. stir until dissolved
  5. aliqot into two 1-liter bottles
  6. do not autoclave

 

2X Posi blot neutralization sol'n
2 Liters

  1. 484.4g Tris base
  2. bring up to 1 liter with H2 O
  3. pH to 7.5 by adding HCl solution (wear gloves!, ~200mls conc.)
  4. add 350.6g NaCl sodium chloride
  5. bring up to 2 liters with H2 O
  6. stir until dissolved
  7. aliquot into two 1-liter bottles
  8. do not autoclave
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