Figure 7.
a Decrease of cell index after different concentration ZnO NPs was incubated in the
cell system for about 72 h without UV irradiation. b Comparison of cell inhibition for different-sized ZnO NPs in the absence of UV irradiation.
c Decrease in cell index after different concentration ZnO NPs was incubated in the
cell system for about 72 h with UV irradiation for 180 s. d Comparison of cell inhibition for different-sized ZnO NPs in the presence of UV irradiation
for 180 s
Li et al. Nanoscale Research Letters 2010 5:1063 doi:10.1007/s11671-010-9603-4 |
