Highly Biocompatible Nanoparticles of Au@Fluorescent Polymers as Novel Contrast Agent for In Vivo Bimodality NIR Fluorescence/CT Imaging

Figure 4

In vivo CT images of SD rat before injection (a) and after injection with Au@FP nanoparticles via the tail vein at different times: before injection (A), and one min (B), 0.5 h (C), 3 h (D), 6 h (E) after injection and the HU average intensity of major organs (heart, liver, spleen, and lung kidney) after intravenous injection of Au@FP nanoparticles at different timed intervals (F); (b). NIR fluorescence light image of SD rat before injection (A) and 3 h (B) and 6 h (C) after injection.