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. 2024 May 22;3(2):e20240004. doi: 10.1002/SMMD.20240004

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© 2024 The Authors. Smart Medicine published by Wiley‐VCH GmbH on behalf of Wenzhou Institute, University of Chinese Academy of Sciences.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Characterization of Fe/ZIF‐8 and FNEs. (A) TEM images and (B) SEM images of Fe/ZIF‐8. (C) XRD pattern of Fe/ZIF‐8. C (D), N (E), Zn (F) and Fe (G) XPS spectrums of Fe/ZIF‐8. Particle size of Fe/ZIF‐8 (H) and FNEs (I). (J) Zeta potential of Fe/ZIF‐8 and FNEs. (K) Absorbance curves of TMB‐oxide after incubation with FNEs of varied concentrations. The image inserted is the corresponding TMB‐oxide color change. FNEs concentration‐dependent (L) and time‐dependent (M) decomposition of H₂O₂ using Ti(SO₄)₂. (N) Human corneal epithelial cell and human conjunctival epithelial cell viabilities after culturing with FNEs for 24 h.