Pesticide binding and urea-induced controlled release applications with calixarene naphthalimide molecules by host–guest complexation |
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Authors: | Bahar Yilmaz Nevzat Aydin |
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Institution: | Department of Bioengineering, Faculty of Engineering, Karamanoglu Mehmetbey University, Karaman, Turkey |
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Abstract: | ABSTRACTThree novel calix4]arene molecule-based 1,8 naphthalimide fluoroionophore for the selective determination of kesoxim-methyl were synthesized and used in pesticide binding studies. The possible interaction between pesticides and fluorescent calix4]arene molecules was monitored by UV/Vis absorption and fluorescence spectroscopy. When compared the studied pesticides, kesoxim-methyl was strongly quenched the fluorescence intensity of upper rim-modified calix4]arene. UV and fluorescence titration experiments were also studied to determine both the quenching mechanism and stoichiometric ratio consisted in complex formation. Furthermore, pesticide release experiments were also performed with a fertilizing agent as urea by using fluorescence spectroscopy technique. |
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Keywords: | Calixarene pesticide controlled release host-guest kesoxim-methyl |
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