Research Article

Stable Electrochemical Measurements of Platinum Screen-Printed Electrodes Modified with Vertical ZnO Nanorods for Bacterial Detection

Figure 1

The schematic outline of the fabrication of on-chip electrochemical electrodes based on ZnO NRs: (a) deposition of Zn/Pt electrode on the silicon substrate, (b) growth of ZnO NRs, (c) functionalization of ZnO NRs with silane and GMBS, (d) antibody immobilization, (e) blocking the unspecific ZnO NR sites by using BSA, and (f) binding of bacterial antigens on the surface of the working electrode via specific antibodies immobilized in advance.