Fig. 1From: Prussian blue-based theranostics for ameliorating acute kidney injuryA Schematic illustration of the preparation of PB NZs. B AFM image of PB NZs. The scale bar is 25Â nm. C The corresponding height image of selected nanoparticles. D Size distribution of PB NZs in PBS. E XRD pattern of PB NZs. F XPS and G Fe 2p XPS spectra of PB NZsBack to article page