Fig. 2

Characteristics of micelles. a Photograph of PEO-PCL micelles under natural light or under a beam of light (showing the Tyndall effect). b Size distribution of A-PEO-P(CL-SP) micelles loaded with siRNA at different N/P. c Zeta potential distribution of A-PEO-P(CL-SP) micelles loaded with siRNA at different N/P. d–f Size distribution of A-PEO-PCL blank micelles, A-PEO-P(CL-SP) blank micelles, and A-PEO-P(CL-SP) micelles loaded with siRNA. g–h Zeta potential distribution of A-PEO-P(CL-SP) blank micelles and A-PEO-P(CL-SP) micelles loaded with siRNA. i Agarose gel electrophoresis of A-PEO-P(CL-SP) loaded with siRNA at different N/P. j CMC profile of co-delivery micelles