Novel quinoxalinophenanthrophenazine-based molecules as sensors for anions: synthesis and binding investigations |
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| Authors: | Farah S. Raad Rasha M. Moustafa Bilal R. Kaafarani |
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| Affiliation: | a Department of Chemistry, American University of Beirut, Beirut 1107-2020, Lebanon
b Department of Biology and Chemistry, American University of Sharjah, Sharjah, United Arab Emirates |
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| Abstract: | The design and synthesis of two novel quinoxalinophenanthrophenazine-based anion sensors are reported. Binding studies of these sensors with an array of mono- and polyatomic anions using UV-vis, fluorescence, and NMR titrations have shown 1:1 and 1:2 sensor-to-anion ratios. Binding constants were calculated for anions, which exhibited high affinity for the sensors, including acetate, benzoate, cyanide, and fluoride ions. |
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| Keywords: | Quinoxalinophenanthrophenazine Fluorescent sensors Anion detection Chemical sensors Spectroscopic titrations NMR titrations |
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