A new highly selective fluorescent turn-on chemosensor for cyanide anion
Publication type: Journal Article
Publication date: 2015-05-01
scimago Q1
wos Q1
SJR: 0.976
CiteScore: 11.0
Impact factor: 6.1
ISSN: 00399140, 18733573
PubMed ID:
25770604
Analytical Chemistry
Abstract
A new simple molecule, 2-((2-phenyl-2H-1,2,3-triazol-4-yl)methylene)malononitrile (M1), was synthesized successfully by the Knoevenagel condensation reaction between 2-phenyl-1,2,3-triazole-4-carboxaldehyde and malononitrile. The receptor M1 is highly sensitive and selective to cyanide anion due to the nucleophilic addition of cyanide anion with M1. Distinct changes on UV-vis and fluorescence spectra can be detected with the addition of cyanide anion to the DMSO solution of M1. Optical properties of M1 were scarcely affected by the addition of other common background anions (F(-), Cl(-), Br(-), I(-), SCN(-), OH(-), CO4(2-), H2PO4(-), SO4(2-), HSO4(-), AcO(-), and NO3(-)) under the same condition. The detection limit of CN(-) reaches ~1.43 μM by M1 and the presence of background anions brought very slight interference for the detection of CN(-).
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Chen Y. et al. A new highly selective fluorescent turn-on chemosensor for cyanide anion // Talanta. 2015. Vol. 137. pp. 38-42.
GOST all authors (up to 50)
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Chen Y., Shi W., Hui Y., Sun X., Xu L., Feng L., Xie Z. A new highly selective fluorescent turn-on chemosensor for cyanide anion // Talanta. 2015. Vol. 137. pp. 38-42.
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TY - JOUR
DO - 10.1016/j.talanta.2015.01.018
UR - https://doi.org/10.1016/j.talanta.2015.01.018
TI - A new highly selective fluorescent turn-on chemosensor for cyanide anion
T2 - Talanta
AU - Chen, Yabin
AU - Shi, Wei
AU - Hui, Yonghai
AU - Sun, Xinhua
AU - Xu, Linxian
AU - Feng, Lei
AU - Xie, Zhengfeng
PY - 2015
DA - 2015/05/01
PB - Elsevier
SP - 38-42
VL - 137
PMID - 25770604
SN - 0039-9140
SN - 1873-3573
ER -
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Copy
@article{2015_Chen,
author = {Yabin Chen and Wei Shi and Yonghai Hui and Xinhua Sun and Linxian Xu and Lei Feng and Zhengfeng Xie},
title = {A new highly selective fluorescent turn-on chemosensor for cyanide anion},
journal = {Talanta},
year = {2015},
volume = {137},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.talanta.2015.01.018},
pages = {38--42},
doi = {10.1016/j.talanta.2015.01.018}
}