Carbon Nanotubes/Gold Nanoparticles Composite Film for the Construction of a Novel Amperometric Choline Biosensor
Figure 2
SEM image of Chit-MWCNTs (a), TEM image and UV-visible absorbance spectrum of AuNPs with an average diameter of about 15 nm (b and c), and a photo of Chit-MWCNTs solution (d, left) and AuNPs (d, right).