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In vivo fluorescence molecular tomography (FMT) of RGD-HFn-Cy5.5 and HFn-Cy5.5 in murine carotid arteries. Both two-and three-dimensional images showed strong fluorescence signal (arrows) at 48 h around the ligated left carotid artery in RGD+ mice (injected with RGD-HFn-Cy5.5), but more limited carotid signal in RGD− mice (injected with HFn-Cy5.5).
