Expression of Concern
This article is currently under investigation. We strongly recommend that this article is not cited until the investigation is completed.
Zinc oxide nanoparticles (ZnO NPs) combined with cisplatin and gemcitabine inhibits tumor activity of NSCLC cells
Figure 2.The toxicity of Cp, Gem, Cp+Gem, ZnO-NPs(Cp), ZnO-NPs(Gem) and ZnO NPs(Cp/Gem) on A549 cells is tested by MTT assay. * P< 0.05 vs. Control. # P< 0.05 vs. Cp, Gem, Cp+Gem, ZnO-NPs(Cp), or ZnO-NPs(Gem) groups.