Research Article
Incorporation of Amphipathic Diblock Copolymer in Lipid Bilayer for Improving pH Responsiveness
Figure 5
Cumulative release profiles of DOX from pure liposome and hybrid liposomes inserted by copolymers with different PDPA segment sizes. Solid symbol: pH 6.0. Open symbol: pH 7.4. The molar ratio of copolymers was 5%.