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. 2021 Jul 7;40:101243. doi: 10.1016/j.nantod.2021.101243

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© 2021 The Authors

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig. 1 — Characterization of Ag-TiO₂ SAN. (a) Schematic of Ag-TiO₂ SAN. (b) SEM images of Ag-TiO₂ SAN. (c) DLS analysis of Ag-TiO₂ SAN. (d and f) HAADF-STEM images of (d) Ag-TiO₂ SAN and (f) Ag NPs/TiO₂ and corresponding EDX mapping (e) for Ag-TiO₂ SAN and (g) for Ag NPs/TiO₂. (h and i) Raman and UV–vis spectra of Ag-TiO₂ SAN, TiO₂ and Ag NPs/TiO₂.