Dual colorimetric sensoring bis(indolyl)calix[4]crown-6 |
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| Authors: | Jeong Won Lee |
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| Affiliation: | Department of Chemistry, Institute of Nanosensor and Biotechnology, Dankook University, Seoul 140-714, Republic of Korea |
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| Abstract: | Calix-chromophore, bis(indolyl)calix[4]crown-6 (1) in an oxidized form showing selective colorimetric changes for both alkaline earth cations and F− in CH3CN, has been newly synthesized. It is observed that the binding ability of 1 for the Ca2+ binding enhances in the presence of F−. Compound 1 can operate three independent combinational NOR logic gates toward metal cations and anions. |
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