A sandwich-type ECL immunosensor for the sensitive determination of CEA content based on red emission carbon quantum dots as luminophores

A sandwich-type electrochemiluminescent immunosensor was constructed using red-emitting carbon quantum dots as luminophores

Yuefang Hu; Yuxin Chen; Quan Tang; Hanfu Liu

2021

Scholarcy highlights

  • A sandwich-type electrochemiluminescent immunosensor was constructed using red-emitting carbon quantum dots as luminophores
  • RCQDs were prepared in a single step by a simple green microwave synthesis method using ethanol extracts from Scindapsus aureus leaves
  • The secondary antibody label was fabricated by the synthesis of aminated graphene, which can remarkably quench the ECL intensity of RCQDs modified on electrodes because of the ECL resonance energy transfer
  • A sandwich-type ECL immunosensor for the sensitive determination of carcinoembryonic antigen content based on red emission carbon quantum dots as luminophores

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