A dipodal bimane–ditriazole–diCu(ii) complex serves as an ultrasensitive water sensor†
Flavio
Grynszpan 
*a
and
Mindy
Levine
*a
*a
and
Mindy
Levine
*a
Abstract
An ultrasensitive fluorescent water sensor based on a dipodal bimane–Cu(II) complex is reported here. This complex, which is non-fluorescent in the absence of water, demonstrates a remarkable turn-on fluorescence in the presence of extremely low (0.000786% v/v) concentrations of water, via highly selective water-induced displacement of copper and restoration of the innate bimane fluorescence.
- This article is part of the themed collection: Host-Guest Chemistry
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