Figure 9.

Inverted fluorescence micrographs of SMMC-7721 cells after incubation with a cells only; b daunorubicin; c ZP5 ZnO nanoparticles; d ZP5 ZnO nanoparticles and daunorubicin; e ZP6 ZnO nanoparticles; f ZP6 ZnO nanoparticles and daunorubicin; g ZP7 ZnO nanoparticles; h ZP7 ZnO nanoparticles and daunorubicin. Here, the concentration of daunorubicin is 1.0 × 10−5 mol/L,bar20 μm

Li et al. Nanoscale Research Letters 2010 5:1063-1071   doi:10.1007/s11671-010-9603-4