Paper-based visualization of auramine O in food and drug samples with carbon dots-incorporated fluorescent microspheres as sensing element
Food chemistry(2023)
Abstract
•A CFMs-based RFP was proposed for ultrasensitive sensing of AO.•Dual-emissive CFMs were prepared by loading CDs into MF microspheres.•A smartphone-integrated paper device were prepared for AO visualization.
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Key words
Fluorescent microspheres,Carbon dots,Signal amplification,Visualization,Auramine O
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