Fig. 4
a Fluorescence photographs of live and dead staining in 4T1 cells with different treatments. b The apoptosis rate of 4T1 cells with different treatments. c The cell viability of MoSe2 NUs at various concentrations with or without NIR. d Immunoblot of TrxR1, cleaved caspase-3, and GAPDH expression in 4T1 cells with different treatments. (n = 3, mean ± S.D.; ns, no significant; ****P < 0.0001; one-way ANOVA)