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Yuan A.,Institute of Food and Light chemical Engineering | Zheng C.,Institute of Food and Light chemical Engineering | Zhang Z.,Institute of Food and Light chemical Engineering | Yang L.,Institute of Food and Light chemical Engineering | And 2 more authors.
Journal of Fluorescence | Year: 2014

A novel quinazolinone compound containing quinazoline-fused moiety has been synthesized as fluorescence Off-On sensor QQ. The probe exhibited highly selective and sensitive recognition toward trivalent ferric ion (Fe 3+) over other metal ions in HEPES buffer solution (10 mM, pH∈=∈7.0, DMF-H2O, 9:1, v/v). The significant quenching in the fluorescence spectral could be served as a selective fluorescence Off-On sensor. The titration study indicated the formation of 1:1 complex between QQ and Fe3+. © 2013 Springer Science+Business Media New York. Source

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