Carboxyl of Poly(D,L-lactide-co-glycolide) Nanoparticles of Perfluorooctyl Bromide for Ultrasonic Imaging of Tumor

Figure 7

In vivo DiR fluorescence imaging results for NPs (a) group and MPs (b) group at preinjection, 0.5 h, 2 h, 12 h, 24 h, and 48 h. (c) Fluorescence intensity-time curve at tumor site after injection with NPs. (d) Comparison of DiR fluorescence in isolated tumor tissues of NP group (left) and MP group (right) at 48 h after intravenous injection.

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