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. 2022 Jul 19;13:915609. doi: 10.3389/fphar.2022.915609

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Copyright © 2022 Chen, Yu, Ren and Qiu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Schematic illustration of Zn-STIMO, and the design of probe candidate for Zn-STIMO (Fang et al., 2021). (A) The scheme of Zn-STIMO; (B) the structure of fluorescent probes targeting Zn²⁺, Naph-BPEA, NapEt-BPEA, and NapBu-BPEA.