Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 192, Issue -, Pages 586-593Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2013.10.136
Keywords
Crown ether; Schiff base; Recognition abilities; Multi-functional sensor; Optical behaviors
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]
- Natural Science Foundation of Education Committee of Anhui Province [KJ2012A024, KJ2013B205]
- Natural Science Foundation of Anhui Province [1208085MB22]
- 211 Project of Anhui University
- Anhui University [33190224, 33190212]
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Two novel soluble chemosensors (L1, L2) modified by aza-crown ether groups have been synthesized by one-step facile reaction. The chemosensors were fully characterized by IR, H-1 NMR, C-13 NMR and MS spectra. The recognition abilities of two sensors with a range of metal ions were evaluated. The results showed that L1 was a specialized sensor for Cu2+ and L2 was a multi-functional sensor being able to recognize Al3+ and Cr3+ via two different optical behaviors, which demonstrated the subtle structural changes of sensors can have a remarkable effect on recognizing metal ions. (C) 2013 Elsevier B.V. All rights reserved.
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