A Fluorescent coumarinylalkyne probe for the selective detection of mercury(II) ion in water
β Scribed by Dong-Nam Lee; Gun-Joong Kim; Hae-Jo Kim
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- French
- Weight
- 392 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
A coumarin-based alkyne was developed as a fluorescent chemodosimeter for the selective detection of mercuric ion. It showed a high selectivity and sensitivity to mercury(II) ion over other metal ions in water.
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## Abstract A highly selective assay method has been developed to detect mercury (II) (Hg^2+^) ions using cationic conjugated polymer (CCP). The transduction mechanism is based on a Hg^2+^ promoted reaction. In the absence of Hg^2+^ ions, the CCP can form the complex with an anionic 1,3βdithioleβ2β
A coumarin-based dithiane (1) was synthesized for the selective detection of Hg 2+ with respect to dual chromo-and fluorogenic changing events in an aqueous solution by the mercury-promoted transformation of a dithiane group into an aldehyde functional unit. The Hg 2+ -selective response of the chem