Fig. 5From: Biodistribution of biodegradable polymeric nano-carriers loaded with busulphan and designed for multimodal imagingFluorescence spectrum of fluorescein-labeled PEG-PCL micelles. The maximum absorbance and fluorescence intensity of the fluorescein-PEG-PCL micelles have been observed at 460 and 518 nm, respectively (a.u.: arbitrary unit)Back to article page