Sensitive turn-on fluorescent detection of tartrazine based on fluorescence resonance energy transfer |
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| Authors: | Huang Sheng Tian Shi Yan Li Nian Bing Luo Hong Qun |
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| Affiliation: | Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China. |
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| Abstract: | We introduce a sensitive, rapid, label-free and general fluorescent method for the determination of tartrazine by competitive binding to reduced graphene oxide (rGO) against fluorescein, and the fluorescence recovery upon fluorescein desorption from rGO provides a quantitative readout for tartrazine, giving a detection limit of 0.53 ng mL(-1). |
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