Fig. 5From: pH-Responsive Triblock Copolymeric Micelles Decorated with a Cell-Penetrating Peptide Provide Efficient Doxorubicin DeliveryCLSM images of a free DOX solution, b DOX-loaded CA-PEI PMs, and c DOX-loaded CA-PEI-pArg PMs (CA:PEI molar ratio 2:1) in MCF-7 cells after incubation time of (i) 1 h, (ii) 4 h, and (iii) 24 h. Blue and red fluorescence indicate nuclei and DOX, respectivelyBack to article page