Carbon Nanotube-Based Electrochemical Sensors: Principles  and  Applications  in  Biomedical  Systems

Figure 6

Photos of GOx-grafted MWNTs (a) and MWNTs (b) in water (left), and cyclic voltammograms of the MWNT- (a) and GOx-grafted MWNT- (b) modified glass carbon electrode in 0.1 M phosphate buffer solution (pH 6.9) (right) [125].