Ratiometric determination of Hg2+ ions based on simple molecular motifs of pyrene and dioxaoctanediamide
- Authors
- Kim, Jun Soo; Choi, Myung Gil; Song, Ki Cheol; No, Kyoung Tai; Ahn, Sangdoo; Chang, Suk-Kyu
- Issue Date
- Mar-2007
- Publisher
- AMER CHEMICAL SOC
- Citation
- ORGANIC LETTERS, v.9, no.6, pp 1129 - 1132
- Pages
- 4
- Journal Title
- ORGANIC LETTERS
- Volume
- 9
- Number
- 6
- Start Page
- 1129
- End Page
- 1132
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/24124
- DOI
- 10.1021/ol070143r
- ISSN
- 1523-7060
1523-7052
- Abstract
- A new podand-type dioxaoctanediamide-based chemosensor having two pyrene moieties was prepared, and its fluoroionophoric behaviors toward transition-metal ions were investigated. Pyrene-appended dioxaoctanediamide 1 showed a selective fluorescence quenching toward Hg2+ ions over other transition-metal ions in an aqueous methanol solution. Unique responses in pyrene monomer and excimer emissions allowed selective ratiometric determination of Hg2+ ions in aqueous environments, and the detection limit was found to be 1.6 x 10(-6) M.
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Collections - College of Natural Sciences > Department of Chemistry > 1. Journal Articles
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