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Azobenzene coupled chromogenic receptors for the selective detection of copper(II) and its application as a chemosensor kit |
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| Authors: | Soo Jin Lee Il Yun Jeong Jong Hwa Jung |
| Institution: | a Department of Chemistry and Research Institute for Natural Science, Gyeongsang National University, Chinju 660-701, South Korea b Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 580-185, South Korea c Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, South Korea |
| Abstract: | Azobenzene-based receptors 1-4 as colorimetric sensing materials were synthesized and their sensing properties were examined. In solution, the proposed sensing materials give rise to a large cation-induced hypochromic shift for Cu2+ resulting in a change from red to pale-yellow, whereas no significant color change was observed upon addition of other selected metal ions. The use of the silica gel plate modified with immobilization of receptor 4 to detect Cu2+ was also reported. |
| Keywords: | Chromogenic Selective detection Copper(II) Chemosensor |
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