Research Article

Carbon Nanotubes/Gold Nanoparticles Composite Film for the Construction of a Novel Amperometric Choline Biosensor

Figure 3

Cyclic voltammograms of AuNPs (a and c), MWCNTs/AuNPs (b and d) modified Pt electrode in PBS containing no choline (a and b), and 1.6 mM choline(c and d). The scan rate is 50 mV/s.
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