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FACS analysis of cellular uptake of the generated chimeras in MCF-7, U87, and HDF after incubation with free doxorubicin and doxorubicin loaded in chimeras. (A) Fluorescence intensity of doxorubicin. (B) Fluorescence intensity of Cy5. Error bars indicate SD (n = 3). ** p < 0.01, **** p < 0.0001 (one-way ANOVA).
