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Fig. 5 | Journal of Nanobiotechnology

Fig. 5

From: Label-free cell based impedance measurements of ZnO nanoparticles—human lung cell interaction: a comparison with MTT, NR, Trypan blue and cloning efficiency assays

Fig. 5

Interaction of ZnO NPs with A549 cells. Scanning electron microscopy observations. a and b A549 cells treated with 5 μg/cm2 ZnO NPs for 24 h. c A549 cells treated with 5 μg/cm2 ZnO NPs for 48 h. d A549 cells treated with 20 μg/cm2 ZnO NPs for 24 h. e and f A549 cells treated with 20 μg/cm2 ZnO NPs for 48 h

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