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An ESIPT-based novel fluorescent chemosensor, 1,8-anthraquinonylcalix[4]monocrown-6 (1), which displayed a selective fluorescent change with In 3+ among various metal ions, was rationally designed and synthesized. Upon the addition of In 3+ , the probe displayed a fluorescence decrease at 625nm, at the same time, an increase of the band centered at 535nm was observed. This sensing...
New fluorescent chemosensor 1 with two amidoanthraquinone groups (1-AAQs) at the lower rim of p-tert-butylcalix[4]arene has been synthesized. The significant changes of absorption and fluorescence bands show that chemosensor 1 is selective toward fluoride ion (F − ) over other anions such as Cl − , Br − , I − , CH 3 COO − , H2PO4-, HSO4-, and OH ...
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