Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 31, Issue 2, Pages 195-199Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201200619
Keywords
binaphthyl-salen; fluorescence chemosensor; solvent effect; circular dichroism; transition metal ion sensing
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Funding
- National Natural Science Foundation of China [51173078, 21074054]
- National Basic Research Program of China [2010CB923303]
- Zhejiang Provincial Natural Science Foundation [Y4110141]
- Bureau of Science and Technology of Wenzhou [S20100007]
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A novel fluorescence chemosensor 1 based on (R)-binaphthyl-salen can exhibit highly sensitive and selective recognition responses toward Cu2+ by turn-off fluorescence quench type in THF/H2O, and Zn2+ by turn-on fluorescence enhancement type in CHCl3/CH3CN, respectively, suggesting that solvents can dramatically affect the responsive properties of salen-based chemosensor. In addition, Cu2+ can lead to the most pronounced changes of CD spectra without the influence of solvents, which indicates this kind chemosensor can also be used as a sole Cu2+ probe based on CD spectra.
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