Tetraphenylethene based zinc complexes as fluorescent chemosensors for pyrophosphate sensing |
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| Authors: | Hao-Ran Xu Kun Li Shu-Yan Jiao Ling-Ling Li Sheng-Lin Pan Xiao-Qi Yu |
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| Institution: | Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China |
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| Abstract: | We described a serious of zinc complexes that exhibit characteristic fluorescence responses toward pyrophosphate (PPi) and adenosine triphosphate (ATP) in aqueous media. These novel probes exploited tetraphenylethene (TPE) as fluorophore and macrocycle-polyamine (including 1,4,7,10-tetraazacyclododecane and 1,4,7-triazacyclononane) Zn(II) complexes as binding group. These “OFF-ON” type probes exhibited promising selectivity and sensitivity to PPi and ATP via a restriction of intramolecular rotation (RIR) mechanism. The detection limit for PPi was found within nmol/L range. |
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| Keywords: | Tetraphenylethene Cyclen Pyrophosphates Zinc complex |
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