Excimer–monomer switch: a reaction-based approach for selective detection of fluoride
| Autor: | Qiao Song, Lingyun Yang, Angela Bamesberger, Haishi Cao, Haley A. Houtwed |
|---|---|
| Rok vydání: | 2014 |
| Předmět: |
Detection limit
Trimethylsilyl Compounds Trimethylsilyl Fluorescence assay Ether Photochemistry Excimer Biochemistry Analytical Chemistry Reaction rate Fluorides Naphthalimides chemistry.chemical_compound Spectrometry Fluorescence Monomer chemistry Electrochemistry Environmental Chemistry Fluoride Spectroscopy Fluorescent Dyes |
| Zdroj: | The Analyst. 139:3588-3592 |
| ISSN: | 1364-5528 0003-2654 |
| Popis: | A N-aryl-1,8-naphthalimide based sensor (ES-1) bearing a trimethylsilyl ether has been synthesized by a two-step reaction for quantitative detection of fluoride (F(-)). ES-1 exhibited monomer/excimer emissions at 410 and 524 nm respectively in CH2Cl2. In the presence of F(-), the desilylation of trimethylsilyl ether caused decay of the excimer emission as well as enhancement of the monomer emission to give a ratiometric signal. The fluoride-triggered desilylation showed a high reaction rate and high affinity to F(-) over nine other interfering anions. ES-1 provided a novel fluorescence assay based on excimer-monomer switch of N-aryl-1,8-naphthalimide to quantitatively measure F(-) with a detection limit of 0.133 ppm. |
| Databáze: | OpenAIRE |
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