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. 2022 Dec 14;13:7739. doi: 10.1038/s41467-022-35472-2

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a Schematic illustration of reaction mechanism of H₂O₂ decomposition by DCNC. b XPS analysis of the chemical valence of cerium in DCNC. c Elimination of H₂O₂ by varied concentrations of DCNC. d Decomposition of H₂O₂ at varied pH by the catalysis of DCNC in aqueous solution. e Production of O₂ by the catalysis of DCNC in aqueous solution. f Glutathione (GSH) consumption in the present of H₂O₂, and treated with PBS, DAS, and DCNC, respectively. Bars represent mean ± SD (n = 3 independent samples).