Polyethyleneimine (PEI) Solution
| Reagent | Final Concentration (mg/mL) | Volume |
|---|---|---|
| PEI (powder) | 1 | 500 mg |
| ddH2O | n/a | 500 mL |
| Total | n/a | 500 mL |
Mix to dissolve at 75°C in a water bath, cool down to 25°C and adjust pH 7.0 with HCl. Aliquot and store this solution at -80°C.