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

Figure 1

Characterization of the nanoparticles: transmission electron micrographs of Au (a) and Au@FP nanoparticles (b); DLS of Au@FP nanoparticles (c); ultra-vis absorption spectrum of Au@FP nanoparticles, the inset is the fluorescence and ultra-vis absorption spectrum of Au nanoparticles (d); fluorescence spectrum of Au@FP nanoparticles and FP, the inset is digital photo of Au@FP nanoparticles under ultraviolet light (366 nm) and daylight (e); XPS spectra of Au@FP nanoparticles (f); FTIR spectra of Au@FP nanoparticles (g); TGA curve of Au@FP nanoparticles (h); the stability of Au@FP nanoparticles in water during two weeks (i). Values are mean SD; N = 3.

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