Fig. 2.

(a) Representative sequential images of the peripheral blood vessel in the ear skin of the mouse intravenously administered free-form and liposomal ICG, respectively (Visualization 1 ^{(4.8MB, MOV)} and Visualization 2 ^{(4.8MB, MOV)} ). Artery and vein are pseudo-colored in red and blue, respectively. (b) The real-time changes of the ICG fluorescence signal in peripheral blood vessel in the ear skin after the intravenous administration of free-form ICG and liposomal ICG. Scale bar: 250 μm.