Figure 2. VA-CN targeted delivery to injured spinal cord. (A) Fluorescence images of VA-CN-Cy5.5 and VA-Cy5.5 in injured spinal cord at 24h after SCI (Scale bar: 500 μm) n=8 per group. (B) Quantification of VA-CN-Cy5.5 and VA-Cy5.5 in organ distribution, n=4 per group. (C) Fluorescence images of VA-CN-Cy5.5 and VA-Cy5.5 in injured spinal cord, (Scale bar: 100 μm). (D) Quantitative results of fluorescence intensity of Cy5.5. n=8 per group, ** p<0.01 VS VA group, *** p<0.001 VS VA group.