期刊
ANALYTICAL SCIENCES
卷 31, 期 10, 页码 1055-1059出版社
JAPAN SOC ANALYTICAL CHEMISTRY
DOI: 10.2116/analsci.31.1055
关键词
Coumarin derivative; fluorescent chemosensor; L-serine; aluminium(III) ion
资金
- Transformation of Scientific and Technological Achievements in Jiangsu Province Special Funds [BA2014123]
A novel chemosensor L based on coumarin Schiff-base was synthesized and investigated. Sensor L showed remarkable selectivity for Al3+ in Tris-HCl aqueous buffer solution (pH 7.2), and the selectivity was not affected by the presence of a large excess of other competitive ions. The sensor responded rapidly to Al3+ in aqueous solutions with a 2:1 stoichiometry. Meanwhile, it indicated significant improvement of quantum efficiency and ideal fluorescent lifetime.
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