RBC Lysis

Erythrocyte Lysing Solution (no preservative) 10X Stock Solution

Dissolve in 1 liter of H2O:

  • 89.9 g NH4Cl
  • 10.0 g KHCO3
  • 370.0 mg tetrasodium EDTA
  • Adjust pH to 7.3. Store at 4°C in full, tightly closed 50 ml tubes.

1X Working Solution

Add 5 ml 10X Lysing Stock Solution to 45 ml H2O. Mix well. Store at room temperature for up to one week.

Procedure

  1. Mix 14 ml Lysing Buffer to 1 ml Blood.
  2. Incubate for 3 – 5 minutes.
  3. Centrifuge at 300 x g for 5 minutes at room temperature.
  4. Aspirate supernatant and resuspend pellet in 5 ml of COLD Phosphate Buffered Saline (PBS).
  5. Centrifuge at 300 x g for 5 minutes at 2 – 8°C.
  6. Aspirate supernatant and resuspend pellet in 1 ml of COLD PBS with protein carrier.