Table 1 Physicochemical properties of the CpG ODN-loaded DOTAP/DC-chol liposomes used in this study
|  | N/P ratio | Particle size (nm) | ζ-potential (mV) |
|---|---|---|---|
CpG ODN-loaded DOTAP/DC-chol liposome | 0 | 137.9 ± 11.6 | 4.0 ± 2.1 |
DOTAP/DC-chol liposome | 4 | 124.2 ± 53.3 | −3.9 ± 4.7 |