Abstract
A phenol-pyridylimine probe was utilized as an optical sensor to quantify the presence of aluminum ions using a turn-on fluorescence enhancement approach. The high sensitivity was the result of FRET amplification of the receptor subunit fluorescence emission. The complex stability constant (Ks) for the stoichiometric 1:1 complex of the sensor with aluminum ions was obtained by fluorimetric titration. Remarkably, fluorescence output was not significantly affected by other trivalent cations, particularly Ga3+ and In3+.
Original language | English |
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Pages (from-to) | 590-594 |
Number of pages | 5 |
Journal | Dyes and Pigments |
Volume | 96 |
Issue number | 2 |
DOIs | |
State | Published - Feb 2013 |
Bibliographical note
Funding Information:This work is supported by the National Research Foundation of Korea Grant funded by the Korean Government ( 2009-0087304 , 2010-0009525 , 2012008875 , 2012001725 , SRC Program: 2012-0000648), Converging Research Center Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology ( 2011K000675 ), and BK21 (to J.L. and S.K.).
Keywords
- Aluminum ion sensing
- Fluorescent chemosensor
- Phenol
- Pyridyl
- Selective binding
- Turn-on detection