Table 2 The extent of Zn2+ released in cell culture medium from pure and Al-doped ZnO nanoparticles.

From: Aluminum doping tunes band gap energy level as well as oxidative stress-mediated cytotoxicity of ZnO nanoparticles in MCF-7 cells

Sample

Amount of Zn 2+ ions released, mean ± SD (%)

25 μg/ml

50 μg/ml

100 μg/ml

Pure ZnO nanoparticles

2.16 ± 0.17 (8.7%)

4.22 ± 0.21 (8.4%)

8.84 ± 0.19 (8.8%)

Al-doped ZnO nanoparticles

1.11 ± 0.23 (4.4%)

2.12 ± 0.12 (4.2%)

4.34 ± 0.20 (4.3%)

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