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Selective Fe2+ Ion Recognition Using a Fluorescent Pyridinyl-benzoimidazole-derived Ionophore
- Authors
- Lee, Jeong Ah; Eom, Geun Hee; Park, Hyun Min; Lee, Ju Hoon; Song, Hyesun; Hong, Chang Seop; Yoon, Sungho; Kim, Cheal
- Issue Date
- Nov-2012
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- Fluorescent chemical sensor; 6-Br-ppmbi; Fe2+ cation
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.33, no.11, pp 3625 - 3628
- Pages
- 4
- Journal Title
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY
- Volume
- 33
- Number
- 11
- Start Page
- 3625
- End Page
- 3628
- ISSN
- 0253-2964
1229-5949
- Abstract
- Fluorescent organic molecules that respond to changes in the Fe2+ concentration with selectivity to other abundant di-valent metal ions will offer the ability to understand the dynamic fluctuations of the Fe2+ ion in interesting media. The use of 6-Br-ppmbi, derived from 2-pyridin-2-yl-benzimidazole, for metal ion-selective fluorescence recognition was investigated. Screening of the main group and transition metal ions showed exclusive selectivity for Fe2+ ions even in the presence of competing metal ions. In addition, the requirement for low concentrations of probe molecules to detect certain amounts of Fe2+ ions make this sensor unique compared to previously reported Fe2+ ion sensors.
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