Fig. 2
From: Zinc oxide nanosphere for hydrogen sulfide scavenging and ferroptosis of colorectal cancer
Preparation and characterization of VZnO. A, B TEM images of original VMSN template and VZnO nanoparticles, respectively. C, D HAADF-STEM image and corresponding elemental mapping of VZnO nanoparticles. E XRD patterns of the VZnO nanoparticles before and after sulfidation reaction, respectively. F Size distribution of the VZnO from DLS analysis. Inset: zeta potential of the nanoparticles. G Nitrogen adsorption–desorption curves of the VZnO nanoparticles. Inset: Pore-size distribution curve of the VZnO nanoparticles. H UV–vis absorption spectrum of VZnO nanoparticles before and after sulfidation reaction, respectively