Electrochemical Determination of 17-β-Estradiol Using a Glassy Carbon Electrode Modified with α-FeO Nanoparticles Supported on Carbon Nanotubes.

In this study, a novel electrochemical assay for determining 17-β-estradiol (E2) was proposed. The approach involves modifying a glassy carbon electrode (GCE) with a nanocomposite consisting of α-FeO nanoparticles supported on carbon nanotubes (CNTs)-denoted as α-FeO-CNT/GCE. The synthesis of the α-FeO-CNT nanocomposite was achieved through a simple and cost-effective hydrothermal process.