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a Noninvasive PET/CT images of angiogenesis in a murine hindlimb ischemia model. An integrin αvβ3-targeted dendritic nanoprobe had significantly higher uptake in the ischemic hindlimb than the control hindlimb. b Serial 13N-ammonia PET images of spontaneous perfusion recovery in a murine hindlimb ischemia model, at different time points after surgery. Adapted from [40, 47].
