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The authors describe a sensitive electrochemical immunoassay for the cancer biomarker α-fetoprotein (AFP). It is based on a combination of an immunoassay with DNA-based signal amplification. Two-dimensional MnO2 nanosheets modified with gold nanoclusters (AuNC-MnO2) were synthesized through one-pot process and utilized as an electrochemical probe. Bovine serum albumin served as templating agent to...
An electrochemical immunoassay is described for the detection of the protein biomarker mucin 1 (MUC-1) and of breast cancer cells of type MCF-7 where MUC-1 is overexpressed. The method is based on the use of silver nanoclusters (Ag-NCs) acting as a signalling probe. The Ag-NCs were synthesized via chemical reduction in the presence of a DNA strand with the sequence of 5′-GCAGTTGATCCTTTGGATACCCTGG-C...
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