In the scholarly study, Fe3O4 increased the surface-volume proportion, Ag improved electrical conductivity and avoided Fe3O4 nanoparticles from aggregation, and GQD improved the loading capacity of antibodies onto the electrode surface

In the scholarly study, Fe3O4 increased the surface-volume proportion, Ag improved electrical conductivity and avoided Fe3O4 nanoparticles from aggregation, and GQD improved the loading capacity of antibodies onto the electrode…