Fig. 4

[Taken from reference (Fakhar-e-Alam et al. 2011b)]
Viability of HeLa cells treated with different concentrations of ZnO NRs and their ligands with PSs
[Taken from reference (Fakhar-e-Alam et al. 2011b)]
Viability of HeLa cells treated with different concentrations of ZnO NRs and their ligands with PSs