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A photoluminescent aptasensor has been developed for the detection of lysozyme based on fluorescence resonance energy transfer (FRET) between the carbon dots (CDs) and graphene oxide (GO). In the sensing system, the CDs‐labeled aptamer is adsorbed onto the GO surface and the photoluminescence (PL) signal of the CDs is effectively quenched by GO. Addition of lysozyme can cause a significant FRET inhibition...
As the newest two members of the carbon materials family, carbon dots (CDs) and graphene oxide (GO) possess many excellent optical properties resulting in a wide range of applications. In this work, we successfully synthesized CDs with a high-quantum-yield, and labeled them on oligodeoxyribonucleotide (ODN). The fluorescence of resultant CDs-labeled oligodeoxyribonucleotide (ODN–CDs) was quenched...
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