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Fluorescent microscopic images of glioma (U251) cells incubated with G3-Cur (6 μM based on Curc concentration) for 3 hours. Intracellular uptake was visualized by green fluorescence of Curc conjugated to G3 succinamic acid dendrimer. Nuclei were visualized with DAPI (bluer accumulation) in panel A. Green fluorescence from G3-Curc nanoparticles is shown in panel B. Panel C depicts merged images of Curc and DAPI fluorescence.
