Fig. 9From: pH-Responsive Triblock Copolymeric Micelles Decorated with a Cell-Penetrating Peptide Provide Efficient Doxorubicin Delivery a Cytotoxicity of blank CA-PEI-pArg PMs (CA:PEI molar ratio 2:1) in WRL-68 cells after 24 h. b Cytotoxicity of blank CA-PEI-pArg PMs in MCF-7 cells after 24 h. c Cytotoxicity of DOX-loaded CA-PEI-pArg PMs (CA:PEI molar ratio 2:1) in MCF-7 cells after 24 h (mean ± SEM, n = 3; *P ≤ 0.05, ***P ≤ 0.001)Back to article page