Chemical Physics (2019)
Update date:2022-08-17
Topics:
Wang, Min
Zhang, Yong-Ming
Zhao, Qin-Yi
Fu, Zhen-Hai
Zhang, Zhi-Hong
A simple fluorescent probe L for Fe3+ was easily synthesized based on anthracene. Among the various metal ions including Fe2+, this probe exhibited high sensitivity and good selectivity toward Fe3+ with turn-off fluorescence mode in DMSO-HEPES buffer solution (20 mM, pH = 7.0, 1:1 (v/v)). When adequate Fe3+ ion was added into the solution of probe L, its molecular structure transferred from anthraldehyde dimethyl acetal to anthraldehyde, resulting in fluorescence quenching with a low detection limit of 3.08 μM. 1H NMR spectra and TLC analysis further supported this concept. Finally, this probe was successfully applied in bioimaging.
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Doi:10.1021/j150653a035
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