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A novel ratiometric fluorescent probe based on a BODIPY derivative for Cu2+ detection in aqueous solution

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Abstract

A novel ratiometric chemodosimeter 1 based on a BODIPY derivative bearing a 2-picolinic ester moiety has been designed and synthesized for copper ion (Cu2+) detection in aqueous buffered solution. Among the tested metal ions, only the addition of Cu2+ to probe 1 could lead to a red shift of the emission band from 574 nm to 593 nm, accompanied by a color change from yellow to red under illumination with a 365 nm UV lamp. Mechanism research suggested that probe 1 could be highly selectively hydrolyzed by complexation with Cu2+ to generate a BODIPY derivative bearing 2-picolinic acid. The detection limit was calculated to be 0.08 μM. Moreover, probe 1 could be used to detect Cu2+ in real water samples and on filter paper.

Graphical abstract: A novel ratiometric fluorescent probe based on a BODIPY derivative for Cu2+ detection in aqueous solution

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Publication details

The article was received on 07 Aug 2018, accepted on 07 Nov 2018 and first published on 08 Nov 2018


Article type: Paper
DOI: 10.1039/C8AY01760C
Citation: Anal. Methods, 2018, Advance Article
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    A novel ratiometric fluorescent probe based on a BODIPY derivative for Cu2+ detection in aqueous solution

    T. Shu, Z. Yang, Z. Cen, X. Deng, Y. Deng, C. Dong and Y. Yu, Anal. Methods, 2018, Advance Article , DOI: 10.1039/C8AY01760C

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