Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 191, Issue -, Pages 473-478Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2013.10.057
Keywords
Colorimetric detection; Hypochlorite; Phenyltricyanoethylene; Fast response
Funding
- National Natural Science Foundation of China [21107029, 21175057, 21275018, 21075052]
- National Major Projects on Water Pollution Control and Management Technology [2008ZX07422]
- Scientific Research Foundation for Doctors of University of Jinan [XBS1039, XKY1046]
- 111 Project in China [B07012]
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Recently, growing attention has been paid to the selective and sensitive detection of hypochlorite anion (ClO-) because of its important roles in biological systems. Although great progress has been made in fluorescent probe for tracking of ClO- in living cells to figure out its biological function and pathogenic mechanism, simple and convenient tools for the detection and determination of ClO- in water and other ClO- used field are rarely exploited. In this article, we developed a simple water-soluble tricyanoethylene-derived colorimetric probe 1 for the fast and sensitive detection of ClO- in absolute aqueous solution by the naked-eye. Probe 1 exhibited an excellent selectivity toward ClO- for the strong oxidative property of ClO- to the strong electron deficient C=C bond. Additionally, probe 1 could detect ClO- quantitatively in the range of 0-120 mu M with the detection limit of 4 p,M. We highlight the simplicity of the design and synthesis, yet its combined properties, such as high specificity, excellent sensitivity, good water-solubility, fast response, higher molar extinction coefficient, and visual determination, and anticipate that this probe would be of great benefit to analytical researchers for monitoring the ClO- levels in the environment. (C) 2013 Elsevier B.V. All rights reserved.
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