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. 2022 Dec 26;13(1):122. doi: 10.3390/nano13010122

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Effect of photo-activated with visible-light ZnO nanoparticles, synthesized using as precursor: (a) zinc acetate dehydrate (ZnAc), (b) zinc nitrate hexahydrate (ZnNit), (c) zinc chloride (ZnChlor), and (d) zinc sulphate heptahydrate (ZnSulf) on FF95, MDA-MB-231, and A549 cells. There is not any significant decrease in cell population of any of the three cell lines as a result of the addition of the photo-excitement of ZnNit, ZnChlor, and ZnSulf. Photo-activated ZnAc decreased the cell viability of A549 cells by ~30%, and 20% that of MDA-MB-23 at a concentration of 0.2 mg/mL. Furthermore, the cell viability of A549 was finally 85% after being treated with 0.15 mg/mL of ZnAc. * p < 0.05 was considered as statistically significant.