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Validating the homologous targeting ability of HepM-PLGA. CLSM images of (A) the HepG2 cells and (B) the L02 cells after incubation with FITC-HepM-PLGA, FITC-L02M-PLGA and FITC-PLGA nanoparticles for 4 h. (C) CLSM images of the mixture of L02 cells and mCherry-labeled HepG2 cells upon co-incubation with FITC-HepM-PLGA nanoparticles for 4 h. (D) Quantitative histograms of the fluorescence intensities in (A) and (B). Scale bar: 75 μm.
