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. 2020 Jan 17;11:357. doi: 10.1038/s41467-019-14199-7

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© The Author(s) 2020

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. 4 — a Representative TEM image. Inset is the enlarged image of one single OxgeMCC-r SAE after reversed-phase treatment. White dotted circles indicate the encapsulated Ce6. Scale bar is 200 nm. b DLS profile with the inset picture of the sample dispersed in water. c UV-vis absorption spectra of free Ce6 and OxgeMCC-r SAE. d O₂ generation after treating OxgeMCC-r SAE with H₂O₂ in PBS. Inset is a photograph of H₂O₂ solutions in the presence or absence of OxgeMCC-r SAE. e Degradation profiles of H₂O₂ with or without of OxgeMCC-r SAE. f Singlet oxygen (¹O₂) generation ability determined by DPBF indicator under different conditions before and after laser irradiation (671 nm, 100 mW cm⁻², 30 s). Data are presented as mean ± s.e.m. (n = 3).