Dual channel receptor based on diketopyrrolopyrrole alkyne conjugate for detection of Hg2+/Cu2+ by "naked eye" and fluorescence

Matinder Kaur; Dong Hoon Choi

doi:10.1016/j.snb.2013.09.006

Dual channel receptor based on diketopyrrolopyrrole alkyne conjugate for detection of Hg²⁺/Cu²⁺ by "naked eye" and fluorescence

Matinder Kaur, Dong Hoon Choi

Department of Chemistry

Research output: Contribution to journal › Article

39 Citations (Scopus)

Abstract

A fluorescent probe 4 based on a diketopyrrolopyrrole alkyne conjugate structure was designed and synthesized, and its selective signaling behaviors toward Hg²⁺ and Cu²⁺ were investigated. Selective recognition of Hg²⁺ ion in aqueous solution was mediated through a reaction-based (Kucherov reaction) approach. Compound 4 selectively recognized Hg²⁺ as indicated by a color change from pink to blue and Cu ²⁺ by a remarkable ratiometric absorption change accompanied by a color change from pink to colorless by utilizing the two reaction sites in compound 4.

Original language	English
Pages (from-to)	542-548
Number of pages	7
Journal	Sensors and Actuators, B: Chemical
Volume	190
DOIs	https://doi.org/10.1016/j.snb.2013.09.006
Publication status	Published - 2014

Keywords

Colorimetric sensor
Copper sensor
Diketopyrrolopyrrole
Dual channel receptor
Kucherov reaction Hg recognition

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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Kaur, M., & Choi, D. H. (2014). Dual channel receptor based on diketopyrrolopyrrole alkyne conjugate for detection of Hg²⁺/Cu²⁺ by "naked eye" and fluorescence. Sensors and Actuators, B: Chemical, 190, 542-548. https://doi.org/10.1016/j.snb.2013.09.006

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abstract = "A fluorescent probe 4 based on a diketopyrrolopyrrole alkyne conjugate structure was designed and synthesized, and its selective signaling behaviors toward Hg2+ and Cu2+ were investigated. Selective recognition of Hg2+ ion in aqueous solution was mediated through a reaction-based (Kucherov reaction) approach. Compound 4 selectively recognized Hg2+ as indicated by a color change from pink to blue and Cu 2+ by a remarkable ratiometric absorption change accompanied by a color change from pink to colorless by utilizing the two reaction sites in compound 4.",

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AB - A fluorescent probe 4 based on a diketopyrrolopyrrole alkyne conjugate structure was designed and synthesized, and its selective signaling behaviors toward Hg2+ and Cu2+ were investigated. Selective recognition of Hg2+ ion in aqueous solution was mediated through a reaction-based (Kucherov reaction) approach. Compound 4 selectively recognized Hg2+ as indicated by a color change from pink to blue and Cu 2+ by a remarkable ratiometric absorption change accompanied by a color change from pink to colorless by utilizing the two reaction sites in compound 4.

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