Transfection biology
The gene delivery efficiency of the nano-AE was investigated
by western blot. The SGC-7901 cells were plated
at a density of 3 × 105 cells/well in six-well plates and
incubated with an atmosphere of 5% CO2 at 37°C for
24 h. The medium was then replaced with the complete
RPMI 1640 (1 mL) containing various amounts of the
nano-AE (2–24 μL) and 2 μg of pDNA (1/1 to 12/1 v/w
ratio). After 6 h of transfection of the SGC-7901 cells,
the medium was replaced with culture medium (2 mL)
with FBS (10%) and then the cells were cultured for