Journal
TETRAHEDRON LETTERS
Volume 59, Issue 19, Pages 1860-1865Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2018.04.007
Keywords
Coumarin; Chemosensor; Iron; PPi; Bioimaging
Categories
Funding
- National Natural Science Foundation of China [21506106]
- Key Laboratory Project of Liaoning Province [20085127]
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A new chemosensor based on coumarin FB has been designed and synthesized for the detection of Fe3+ and PPi. FB displayed a high affinity to Fe3+ in the presence of other competing cations. The resulting FB-Fe3+ complex displayed highly sensitivity to PPi via Fe3+ displacement approach. The Fe3+ and PPi recognition processes is rapid and reversible, the detection limits of FB to Fe3+ and FB-Fe3+ complex to PPi were estimated to be 8.73 x 10(-8) M and 1.25 x 10(-8) M, respectively. The good biocompatibility of FB enables the investigation of fluorescent response for Fe3+ and PPi in living cells by confocal microscope. A B3LYP/6-31G(d,p) basis set was employed for optimization of FB and FB-Fe3+ complex. (C) 2018 Elsevier Ltd. All rights reserved.
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