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A new electrochemical immunoassay strategy for direct detection of carcinoembryoninc antigen (CEA) in serum was developed by using multiarmed star-like platinum nanowires (PtNWs) with biomolecular assembly as signal tags on an anti-CEA-functionalized graphene sensing platform. Initially, the PtNWs were synthesized via a wet chemical method, and then the synthesized PtNWs were used for the co-immobilization...
A new graphene immunosensing platform based on a new electrochemical immunosensor was designed for sensitive screening of carcinoembryoninc antigen (CEA) as a model biomarker in clinical immunoassay. Gold nanoflowers and single‐stranded DNA (ssDNA) molecules were initially assembled onto the surface of graphene for the fabrication of the electrochemical immunosensor using layer‐by‐layer strategy,...
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