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. 2021 Feb 8;6(7):4511–4526. doi: 10.1021/acsomega.0c06070

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© 2021 The Authors. Published by American Chemical Society

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Schematics representing the naked-eye observation of the fluorescent activity of SNC–DETA–EA in the presence of copper ions. Distinguishable selectivity for Cu²⁺ and reversibility of the activity are evident.¹³⁴ Photography courtesy: Ram, B.; Jamwal, S.; Ranote, S.; Chauhan, G. S.; and Dharela, R. Reprinted with permission from Ram, B.; Jamwal, S.; Ranote, S.; Chauhan, G. S.; and Dharela, R. Highly selective and rapid naked-eye colorimetric sensing and fluorescent studies of Cu²⁺ ions derived from spherical nanocellulose. ACS Appl. Polym. Mater.2020,2, 5290–5299.