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A novel strategy for the fabrication of sensitive immunosensor to detect α-fetoprotein (AFP) in human serum has been proposed. The immunosensor was prepared by immobilizing AFP antigen onto the glassy carbon electrode (GC) modified by gold nanoparticles and carbon nanotubes doped chitosan (GNP/CNT/Ch) film. GNP/CNT hybrids were produced by one-step synthesis based on the direct redox reaction. The...
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