Fig. 3
From: Tumor microenvironment-responsive BSA nanocarriers for combined chemo/chemodynamic cancer therapy
Cellular uptake of chemotherapy drug. a, b Confocal imaging of 4T1 cells demonstrating the cellular uptake of DOX (2 µg/mL) (a) and GCBD NPs (2 µg/mL of DOX) (b) at different time points. The nuclei of cells were stained with DAPI. c, d Flow cytometry-measured cellular uptake of free DOX (2 µg/mL) (c) and GCBD NPs (2 µg/mL of DOX) (d) in 4T1 cells at different time points. e The semiquantitative analysis of cellular uptake corresponding to the confocal images in a, b. f The semiquantitative analysis of cellular uptake corresponding to the flow cytometry results in c, d