Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 96, Issue -, Pages 18-23Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2012.04.102
Keywords
Thiourea; Salicylic acid; Colorimetric sensor; Anion recognition; Naked-eye
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Funding
- Fundamental Research Funds for the Central Universities [2010JC001]
- National Natural Science Foundation of China [31101467]
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Based on the salicylic acid backbone, three highly sensitive and selective colorimetric chemosensors with an acylthiourea binding unit have been designed, synthesized and characterized. These chemosensors have been utilized for selective recognition of fluoride anions in dry DMSO solution by typical spectroscopic titration techniques. Furthermore, the obtained chemosensors AR1-3 have shown naked-eye sensitivity for detection of biologically important fluoride ion over other anions in solution. (C) 2012 Elsevier B.V. All rights reserved.
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