Keywordslysozyme; aptamers; surface modification; electrochemical methods; Ara h 1; Ara h 2; dual determination; magnetic beads; SPdCEs; amperometric immunosensor; food extracts; aptasensors; stripping voltammetry; aptamer; signal amplification; G-quadruplex; G4; GQ; aptasensor; DNAzyme; DNA electrochemical biosensor; aptasensor; Escherichia coli; nanoparticles; electrochemistry; core shell nanostructures; aflatoxin B1; immunosensor; electrochemical impedance spectroscopy; biosensors; aptamers; AFM; nanoarray; EIS; biosensors; immunosensors; field-effect transistors; immunoFET; antigen-antibody; nanomaterials; affibody; immunosensor; magnetic beads; electrochemical detection; cancer biomarker; aflatoxins; electrochemical techniques; aptasensor; biosensor; food; immunoglobulin Y; egg yolk; nanoelectrodes ensembles; electrochemical immunosensor; food supplements; SDS-PAGE; n/a
