Pesticide binding and urea-induced controlled release applications with calixarene naphthalimide molecules by host-guest complexation

Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
Bahar YilmazMevlut Bayrakci

Abstract

Three novel calix[4]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 calix[4]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 calix[4]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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Citations

Mar 2, 2021·Materials Science & Engineering. C, Materials for Biological Applications·Mevlut BayrakciBahar Yilmaz
May 4, 2021·Frontiers in Chemistry·Mindy Levine

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Methods Mentioned

BETA
NMR
fluorescence spectroscopy
fluorescence titration
chip

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