Dyes and Pigments p. 45 - 50 (2014)
Update date:2022-07-30
Topics:
Hu, Quan
Tan, Yiqun
Liu, Min
Yu, Jiancan
Cui, Yuanjing
Yang, Yu
A new fluorescent probe, 3-((4-([2,2′:6′,2″-terpyridin]- 4′-yl)phenyl)ethynyl)-7-methoxy-2H-chromen-2-one (ZC-F7) composed of coumarin as the fluorophore and terpyridine as the receptor is designed and synthesized. Based on the intramolecular charge transfer (ICT) effect, the probe exhibits significant variation on emission wavelengths with shifts more than 100 nm after combined with Zn2+, in accordance with the conversion of emission colors from blue to green. Good selectivity and sensitivity of this probe towards Zn2+ can be found even on the ppb level in aqueous solution. The Job's plot test suggests a 1:1 stoichiometry between ZC-F7 and Zn2+. The application of the fluorescence probe in bio-imaging is also demonstrated, proving its potential usage in fields such as environment protection, water treatment and safety inspection.
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Doi:10.1134/S1070428014040319
()Doi:10.1002/cctc.201300946
(2014)Doi:10.1002/asia.201400067
(2014)Doi:10.1021/acs.joc.9b01918
(2019)Doi:10.1016/j.crci.2013.10.024
(2014)Doi:10.1111/cbdd.12301
(2014)