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Combinations of fluorescence micrographs, flow cytometry intensity quantification and statistical analysis to demonstrate scavenging activity of Cu4.5O USNPs in vitro. Scale bar is 100 μm in all fluorescence micrographs. (A–C) ROS. (D–F) O2-. (G–I) ∙OH. “*” = P < 0.05, “**” = 0.001 < P < 0.01, “***” = 0.0001 < P < 0.001, “****” = P < 0.0001.
Abbreviations: ROS, Reactive Oxygen Species; LPS, lipopolysaccharide; ns, no significant difference between groups.
