A highly selective fluorescent chemosensor for guanosine-5'-triphosphate via excimer formation in aqueous solution of physiological pH.
作者： Nisar Ahmed , Bahareh Shirinfar , Il Seung Youn , Amita Bist , Vangaru Suresh
DOI: 10.1039/C2CC17145G
关键词: Guanosine 、 Cyclophane 、 Ab initio quantum chemistry methods 、 Fluorescence 、 Highly selective 、 GTP' 、 Chemistry 、 Aqueous solution 、 Excimer 、 Photochemistry
摘要: A new water-soluble and fluorescent imidazolium-anthracene cyclophane 1 effectively recognizes differentiates the biologically important GTP ATP in 100% aqueous solution of physiological pH 7.4. Fluorescence, 1H-NMR spectra ab initio calculations demonstrate that excimer formation fluorescence enhancement occur upon binding, respectively, through (C–H)+⋯A−hydrogen bond interactions.
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