Journal
TETRAHEDRON LETTERS
Volume 57, Issue 30, Pages 3407-3411Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2016.06.089
Keywords
Fluorescent sensor; Urea derivative; Metal ion; Fe3+; Quenching
Categories
Funding
- National Natural Science Foundation of China [21376125]
- Program for Scientific Research Innovation Team in Colleges and Universities of Shandong Province
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A novel urea-derived fluorescent sensor MDSU for Fe3+ was designed and synthesized. Its sensing behavior to metal ions was investigated by absorption and fluorescence spectra. In DMSO/H2O (1:1, v/v) solution, sensor MDSU showed a highly selective and sensitive recognition to Fe3+ over other competitive metal ions. This sensor formed a 1:1 complex with Fe3+ and displayed fluorescence quenching. Moreover, sensor MDSU can rapidly detect Fe3+ in real time with a lower detection limit of 1.816 x 10(-7) M. (C) 2016 Elsevier Ltd. All rights reserved.
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