The Development of an Amperometric Enzyme Biosensor Based on a Polyaniline-Multiwalled Carbon Nanocomposite for the Detection of a Chemotherapeutic Agent in Serum Samples from Patients

Figure 7

(a) Response current-time curves of the ASNase/PANI/MWCNT/Nf/Pt biosensor at successive addition of 5 μM in different phosphate buffer solutions, (b) amperometric response curve of the L-Asp biosensor in 0.05 M PBS to successive additions of L-Asp at an applied potential of -0.2, and (c) a plot of current vs. the concentrations of L-Asp in the range of 0 to 180 μM.

(a)

(b)

(c)