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Dual channel receptor based on diketopyrrolopyrrole alkyne conjugate for detection of Hg2+/Cu2+ by "naked eye" and fluorescence
- Authors
- Kaur, Matinder; Choi, Dong Hoon
- Issue Date
- 1월-2014
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Dual channel receptor; Kucherov reaction Hg2+ recognition; Copper sensor; Colorimetric sensor; Diketopyrrolopyrrole
- Citation
- SENSORS AND ACTUATORS B-CHEMICAL, v.190, pp.542 - 548
- Indexed
- SCIE
SCOPUS
- Journal Title
- SENSORS AND ACTUATORS B-CHEMICAL
- Volume
- 190
- Start Page
- 542
- End Page
- 548
- ISSN
- 0925-4005
- 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 Cu2+ by a remarkable ratiometric absorption change accompanied by a color change from pink to colorless by utilizing the two reaction sites in compound 4. (C) 2013 Elsevier B.V. All rights reserved.
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