期刊
SYNTHETIC METALS
卷 221, 期 -, 页码 206-213出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2016.09.005
关键词
Fluorescent chemosensor; Colorimetric; Al3+; Cell imaging; Reversible
资金
- Natural Science Foundation of Shanxi Province [2013011040-6]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
A reversible fluorescent-colorimetric Schiff-base receptor (L) derived from julolidine and aminourea was developed for the selective sensing of Al3+ ions in buffered aqueous medium. Sensor L demonstrated the presence of Al3+ ions by both fluorescence enhancement and an instantaneous color change of solution from colorless to yellow. L forms complex with Al3+ in 1:1 ratio as supported by Job's plot analysis and mass spectroscopic measurement. The sensitivity of the fluorescent based assay (4.67 nM) for Al3+ is far below the WHO acceptable limit (7.41 mu M) in drinking water. Furthermore, L was employed for imaging the Al3+ ion in living biological cells. (C) 2016 Elsevier B.V. All rights reserved.
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