Fabrication of a simple and sensitive QDs-based electrochemiluminescence immunosensor using a nanostructured composite material for the detection of tumor markers alpha-fetoprotein

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. This proposed ECL sensor exhibits high stability, good selectivity, and reproducibility, which offers a new insight into the fabrication of immunoassays for detecting other relevant biomarkers, and it has the potential for a reliable point-of-care diagnostics of tumor or other diseases.