HEK293 cells (2 × 10 per 12-well dish) were transfected with polyethylenimine (PEI) in a 1 3 ratio (1 μg DNA: 3 μl PEI [1 mg/ml]).
The performance of PEI in these plates was then compared with plates treated with PEI using the standard protocol described for previous experiments.
The PEI stock solution (2.0 mol/l) was prepared by dissolving 4.6 g of PEI in 50 mL of deionized distilled water in a graduated cylinder.
The probability of PEI in chronic pancreatitis (CP) increases as pancreatic fibrosis develops.
The CHBs were loaded with hydrophilic PEI in pre- and/or post-loading methods.
Increasing the loading of PEI in the adsorbent resulted in an increase in water adsorption.
SWNTs or MWNTs (500 mg) were mixed with 2.5 g PEI in 50 ml dimethylformamide.
In this paper, the inhibition property of polyethyleneimine (PEI) in montmorillonite solution was studied.
Results confirm the decrease of solvent power for PEI in the series: NMP > DMAc > DMF.
Most of the polymers have higher transfection efficiency than 25 kDa PEI in the in vitro transfection experiments.
