Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 204, Issue -, Pages 710-715Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2014.08.006
Keywords
Coumarin; Fluorescence probe; Crystal structure; Cell imaging
Funding
- Program for New Century Excellent Talents in University (China)
- Doctoral Program Foundation of the Ministry of Education of China [20113401110004]
- National Natural Science Foundation of China [21271003, 21271004, 51372003, 51472002]
- Ministry of Education, the Natural Science Foundation of Education Committee of Anhui Province [KJ2012A024]
- Natural Science Foundation of Anhui Province [1408085QB26]
- 211 Project of Anhui University, Higher Education Revitalization Plan Talent Project
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A coumarin-based colorimetric and fluorescence off-on probe (L) containing diaminomaleonitrile unit was synthesized. The probe can detect Cu2+ in acetonitrile solution with high sensitivity and selectivity. The single crystal structures of probe L and L-Cu2+ complex showed that Cu2+ played dual roles of coordination center and catalyst that catalyzed the ring-closing of diaminomaleonitrile moiety in the recognition process based on addition reaction. Moreover, this probe can successfully detect Cu2+ in living cells. (C) 2014 Elsevier B.V. All rights reserved.
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