Fig. 9

Cell viability in different treatment Groups in A549 cells (n = 5). Values are expressed as mean ± SD. * The nano NiO group versus the control group, # nano NiO combined with drug groups versus the nano NiO group (p < 0.05).
Cell viability in different treatment Groups in A549 cells (n = 5). Values are expressed as mean ± SD. * The nano NiO group versus the control group, # nano NiO combined with drug groups versus the nano NiO group (p < 0.05).