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. 2023 Jan 26;25:95–106. doi: 10.1016/j.bioactmat.2023.01.015

Fig. 2.

Fig. 2

ROS scavenging performance of Au/CeO2in vitro. (A) SOD-mimetic activities of Au/CeO2 and CeO2 (n = 3). (B) CAT-mimetic activities of Au/CeO2 and CeO2 (n = 3). (C) N2 adsorption isotherms of Au/CeO2 and CeO2. (D) Pore size distributions of Au/CeO2 and CeO2. (E) Ce (III) and Ce (IV) fractions of Au/CeO2 and CeO2. (F) O 1s XPS spectrum of Au/CeO2. (G) Oβ fractions of Au/CeO2 and CeO2. (H) Temperature-programmed reduction of H2 curves. (I) Schematic illustration of enhanced catalytic activity of Au/CeO2. (J) Representative ROS staining and relative mean fluorescence intensity (K) of NCM460 cells in the presence of Rosup and Au/CeO2 or CeO2. Scale bar, 100 μm. (L) Viabilities of NCM460 cells in the presence of H2O2 and Au/CeO2 (n = 5). Data represent mean ± SD.