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Zinc(II) complex of terpyridine-crown macrocycle: A new motif in fluorescence sensing of zwitterionic amino acids |
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| Authors: | Hoi-Lun Kwong Wing-Leung Wong Chi-Sing Lee Chi-Tung Yeung Pang-Fei Teng |
| Affiliation: | aDepartment of Biology and Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China;bLaboratory of Chemical Genomics, Shenzhen Graduate School of Peking University, Shenzhen University Town, Xili, Shenzhen 518055, China |
| Abstract: | A new fluorescence macrocyclic receptor based on the Zn(II) complex of a C2-terpyridine and a crown ether has been developed for molecular recognition of zwitterionic amino acids in water/DMF solution with remarkable selectivity towards l-aspartate (K = 4.5 × 104 M−1) and l-cysteine (K = 2.5 × 104 M−1). |
| Keywords: | Zinc terpyridine Crown-macrocycle Fluorescence sensing Amino acids sensing |
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