Oxidative cyclization of thiosemicarbazide: a chemodosimetric approach for the highly selective fluorescence detection of cerium(iv)?

New Journal of Chemistry Pub Date: 2020-05-07 DOI: 10.1039/D0NJ01100B

Abstract

A simple thiosemicarbazide-based chemodosimeter was employed to detect Ce4+ ion through turn-on fluorescence. The sensing mechanism was based on oxidative cyclization. The chemodosimeter exhibited exceptional selectivity for Ce4+, which allowed the detection of as low as 11 nM Ce4+ ion in an aqueous ethanol medium.

Graphical abstract: Oxidative cyclization of thiosemicarbazide: a chemodosimetric approach for the highly selective fluorescence detection of cerium(iv)
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