A Novel and Disposable Enzyme-Labeled Amperometric Immunosensor Based on MWCNT Fibers for Listeria monocytogenes Detection

Figure 1

The images of MWCNT fibers and fabrication illustration of the immunoelectrode. (a) The SEM image of MWCNT arrays. (b) The SEM image of spun MWCNT fibers. (c) Illustration of the immunoelectrode fabrication by chemical and physical immobilization methods. (d) The fabricated immunoelectrode.