Comparative study on the available conducting polymer-based electrochemical biosensors for the detection of various cancer biomarkers

Comparative study on the available conducting polymer-based electrochemical biosensors for the detection of various cancer biomarkers (alpha-fetoprotein: AFP, carcinoembryonic antigen: CEA, circulating tumour cells: CTC; interleukin: IL). Abbreviations: chronoamperometry, CA; cyclic voltammetry: CV; differential pulse voltammetry: DPV; electrochemical impedance spectroscopy: EIS; glassy carbon electrode: GCE; gold electrode: AuE; gold nanoparticles: AuNPs; graphene oxide: GO; indium tin oxide: ITO; multi-walled carbon nanotubes: MWCNTs; polyaniline: PAn; poly(3,4-ethylenedioxythiophene): PEDOT; polypyrrole: PPy; screen printed electrode: SPE; square wave voltammetry: SWV.