
Keywords: HRP; Gold nanorods; Carbon nanotubes; Immunosensor; Differential pulse voltammetry; Alpha-fetoproteinAFP, alpha-fetoprotein; CNT, carbon nanotube; Au NP, gold nanoparticle; Au NR, gold nanorod; CTAB, cetyltrimethylammonium bromide; GO, graphene oxidation; HRP,