Research Article

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

Figure 4

Amperometric response of AuNPs (a), MWCNTs/AuNPs- (b) modified Pt electrodes upon successive addition of choline. Inset: the calibration curve of MWCNTs/AuNPs/Pt electrode. Error bars = Ā±standard deviation and š¯‘› = 5 .
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