Sensitive turn-on fluorescent detection of tartrazine based on fluorescence resonance energy transfer
2011
Huang, Sheng Tian | Shi, Yan | Li, Nian Bing | Luo, Hong Qun
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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