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Salicylimine-based fluorescent chemosensor for aluminum ions and application to bioimaging

Title
Salicylimine-based fluorescent chemosensor for aluminum ions and application to bioimaging
Authors
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
박성수김진흥남성원
SCOPUS Author ID
김진흥scopus
Issue Date
2012
Journal Title
Inorganic Chemistry
ISSN
0020-1669JCR Link
Citation
vol. 51, no. 6, pp. 3597 - 3602
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
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.
DOI
10.1021/ic2024583
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자연과학대학 > 화학·나노과학전공 > Journal papers
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