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- Title
Two macrocycle-based sensors for anions sensing.
- Authors
Liu, Yingjie; Zhao, Zhixiang; Huo, Ran; Liu, Qingxiang
- Abstract
Two macrocyclic bis-benzimidazolium salts 2 and 4 (23-membered for 2 and 25-membered for 4) were prepared, and their structures were confirmed by X-ray crystallography, 1H NMR and 13C NMR spectroscopy. The research of anion recognitions using 2 or 4 as hosts were carried out with the methods of fluorescence and ultraviolet spectroscopy, 1H NMR titrations, MS and IR spectra. The experiment results show that 2 can detect acetate anion and 4 can detect nitrate anion with favorable selectivity and sensitivity.
- Publication
Scientific Reports, 2019, Vol 9, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-018-36916-w