Figure S2.

Figure S2 Dynamic response of SMMC-7721 cells exposure to ZP5 ZnO nanoparticles in the presence of UV irradiation for 180s: (a) ZnO nanoparticle-free (control); (b) 2.5 μg/mL of ZnO nanoparticles,(c) 5.0 μg/mL of ZnO nanoparticles, and (d) 10.0 μg/mL of ZnO nanoparticles.

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