Research Article
Functionalised Au Coated Iron Oxide Nanocomposites Based Reusable Immunosensor for AFB1 Detection
Figure 3
(a) UV-Visible spectra of (a) r-IgG antibody and (b) r-IgG-Cys-Au-Fe3O4 conjugate. (b) CV of (a) Au-Fe3O4 NPs, (b) Cys-Au-Fe3O4 NPs, and (c) r-IgG-Cys-Au-Fe3O4 conjugate in PBS (pH 7.4) containing [Fe(CN)6]3−/4−.
(a) |
(b) |