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Salicylimine-based fluorescent chemosensor for aluminum ions and application to bioimaging
- Salicylimine-based fluorescent chemosensor for aluminum ions and application to bioimaging
- Kim S.; Noh J.Y.; Kim K.Y.; Kim J.H.; Kang H.K.; Nam S.-W.; Kim S.H.; Park S.; Kim C.; Kim J.
- Ewha Authors
- 박성수; 김진흥; 남성원
- SCOPUS Author ID
- Issue Date
- Journal Title
- Inorganic Chemistry
- vol. 51, no. 6, pp. 3597 - 3602
- SCI; SCIE; SCOPUS
- In this study, an assay to quantify the presence of aluminum ions using a salicylimine-based receptor was developed utilizing turn-on fluorescence enhancement. Upon treatment with aluminum ions, the fluorescence of the sensor was enhanced at 510 nm due to formation of a 1:1 complex between the chemosensor and the aluminum ions at room temperature. As the concentration of Al 3+ was increased, the fluorescence gradually increased. Other metal ions, such as Na +, Ag +, K +, Ca 2+, Mg 2+, Hg 2+, Mn 2+, Co 2+, Ni 2+, Cu 2+, Zn 2+, Cd 2+, Pb 2+, Cr 3+, Fe 3+, and In 3+, had no such significant effect on the fluorescence. In addition, we show that the probe could be used to map intracellular Al 3+ distribution in live cells by confocal microscopy. © 2012 American Chemical Society.
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