期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 140, 期 -, 页码 21-26出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2014.12.094
关键词
Fluorescence sensor; Naphthalene derivative; Magnesium ion; ESIPT
类别
资金
- National Natural Science Foundation of China [81171337]
- Gansu NSF [1308RJZA115]
An efficient fluorescent sensor based on beta-hydroxy-alpha-naphthaldehyde [2-(quinolin-8'-yloxy) acetyl] hydrazone (HL) for Mg2+ has been designed and synthesized. The receptor showed off-on fluorescent responses toward Mg2+ in acetonitrile. The reasons for this phenomenon is that the addition of Mg2+ to the solution of HL induce the formation of a 1:1 ligand-metal complex which inhibit excited-state intramolecular proton transfer (ESIPT). (C) 2015 Elsevier B.V. All rights reserved.
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