Figure 2.

Average particle size (A) and zeta potential (B) of various lipopolyplexes and corresponding polyplexes in the absence of serum.

Note: Data are expressed as the mean ± standard deviation (n = 3).

Abbreviations: LC, lysinylated cholesterol; HC, histidylated cholesterol; AC, arginylated cholesterol; L, lipid; P, polyethylenimine; D, DNA.