Figure 5

Transfection efficiencies in 293T cells.
Fluorescence microscopy images of 293T cells transfected by (a)–(c) PEI-Ada-13.7; (d)–(f) PEI-Ada-13.7-LCD; (g)–(i) 25 kDa bPEI after 48 h at the N/P ratios 10, 20, 30 in the presence of serum.
Transfection efficiencies in 293T cells.
Fluorescence microscopy images of 293T cells transfected by (a)–(c) PEI-Ada-13.7; (d)–(f) PEI-Ada-13.7-LCD; (g)–(i) 25 kDa bPEI after 48 h at the N/P ratios 10, 20, 30 in the presence of serum.