CIP2A immunosensor comprised of vertically-aligned carbon nanotube interdigitated electrodes towards point-of-care oral cancer screening

(Left) Schematic diagram showing antibody functionalized (anti-CIP2A) vertically aligned carbon nanotubes (VANTAs) arrayed in an interdigitated electrode (IDE) footprint. (Left Inset) An optical image of a VANTA IDE immunosensor fabricated on silicon wafer. (Right) Electrochemical impedance sensing of CIP2A antigen concentrations with the biofunctionalized VANTA IDEs.260