Highly selective ratiometric fluorescent Zn2+ chemosensor based on diarylethene derivative with bi-8-carboxamidoquinoline unit.
作者： Xiaodong Zhang , Hui Li , Gang Liu , Shouzhi Pu
DOI: 10.1002/BIO.3134
关键词:
摘要: An asymmetrical diarylethene (1O) with a bi-8-carboxamidoquinoline unit was synthesized. Its photochromic and fluorescence performances on stimulation both light metal ions showed that the could serve as highly selective ratiometric fluorescent chemosensor to detect Zn2+ based internal charge transfer chelation-enhanced processes. The selectively discriminate from Cd2+ in acetonitrile. Furthermore, Job's plots titration electrospray ionization mass spectrometry analysis 1 : binding stoichiometry between 1O . constant of , estimated using Benesi-Hildebrand method, limit detection were 3.37 × 105 M-1 4.6 × 10-8 mol/L, respectively. Additionally, metal-responsive behavior used successfully construct molecular logic circuit four inputs one output. Copyright © 2016 John Wiley & Sons, Ltd.
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