Fluorometric and naked-eye detectable dual signaling chemodosimeter for hypochlorite
2014
Abstract Phenanthroline dialdehyde appended sensor (PDS) has been designed and synthesized which displays an excellent selectivity as hypochlorite sensor in mixed aqueous medium. Its selectivity and sensitivity is established through hypochlorite promoted de-diaminomaleonitrile reaction causing naked eye recognizable color change from yellow to colorless as well as remarkable fluorescence turn on by the disrupted intra-molecular charge transfer mechanism but in presence of different analytes like H 2 O 2 , HS − , NO 3 − , NO 2 − , hydrazine, CN − , F − , and Cl − , no such characteristic change is observed.
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