A new perylene diimide-based fluorescent chemosensor for selective detection of ATP in aqueous solution |
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| Authors: | Liwei Yan Zhongbin Ye Chunxiang Peng Shihong Zhang |
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| Institution: | 1. State Key Lab of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China;2. School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China |
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| Abstract: | A new perylene diimide (PDI) ligand (1) functionalized with a Zn2+–dipicolylethylenediamine (Zn2+–DPEN) moiety was synthesized and first used as a fluorometric chemosensor to specifically detect the presence of ATP over other phosphate anions in aqueous solution. The solution of 1 upon addition of ATP displayed a remarkable absorption decrease compared with other anions, indicating the selectivity of 1 to ATP. Moreover, among these anions investigated, only ATP showed a considerable enhancement of fluorescent intensity of 1. The fluorescence molar ratio plot combined with the ESI-TOF mass measurement determined that binding stoichiometry between 1 and ATP is 1:1. |
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