Figure 6From: A disposable biosensor based on immobilization of laccase with silica spheres on the MWCNTs-doped screen-printed electrodeDPVs obtained at the Lac/Si/MWCNTs/SPE in 0.10 M PBS (pH 5.0) containing (a) 1.3 μM, (b) 10.0 μM, (c) 18.3 μM, (d) 24.1 μM, (e) 35.0 μM, (f) 45.0 μM, (g) 85.5 μM. Inset: the plot of reduction current responses against the concentrations of DA.Back to article page