Fig. 6From: Biodistribution of biodegradable polymeric nano-carriers loaded with busulphan and designed for multimodal imagingSuperimposed fluorescence and light microscopy images of J774A incubated with fluorescein-labeled PEG-PCL micellles. a, b Non-treated control J774A cells, fluorescence image at 4 and 24 h, respectively, 40×. c, d Fluorescence images of J774A incubated with nanoparticles for 4 h and 24 h, respectively, 40×. e, f Overlay images (fluorescence image and light image) of J774A incubated with nanoparticles for 4 and 24 h, respectively, 40×Back to article page