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. 2020 Jun 3;1(1):100028. doi: 10.1016/j.xpro.2020.100028

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.