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Chemodosimetric Hg(2+)-selective signaling by mercuration of dichlorofluorescein derivatives
- Authors
- Choi, Myung Gil; Ryu, De Hun; Jeon, Hye Lim; Cha, Sunyoung; Cho, Janggeun; Joo, Hyun Hye; Hong, Kwan Soo; Lee, Chulhyun; Ahn, Sangdoo; Chang, Suk-Kyu
- Issue Date
- Sep-2008
- Publisher
- AMER CHEMICAL SOC
- Citation
- ORGANIC LETTERS, v.10, no.17, pp 3717 - 3720
- Pages
- 4
- Journal Title
- ORGANIC LETTERS
- Volume
- 10
- Number
- 17
- Start Page
- 3717
- End Page
- 3720
- ISSN
- 1523-7060
1523-7052
- Abstract
- The chemodosimetric behavior of dichlorofluorescein derivatives toward Hg(2+) ions was investigated. Simple chemodosimetric systems showed selective and efficient signaling behaviors toward micromolar concentrations of Hg(2+) ions over other common interfering metal ions in an aqueous environment. The signaling mechanism is selective mercuration of the 4',5'-position of the xanthene moiety, which results in efficient chromogenic and fluorogenic signaling of Hg(2+)- ions in aqueous environment.
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