Figure 8

SWV curves of CuONPs/MWCNTs/CPE in the0.1 M buffer solution (pH 7.0) containing different concentrations of tramadol. Inset: Plots of electro-catalytic peak current as a function of tramadol concentration.

SWV curves of CuONPs/MWCNTs/CPE in the0.1 M buffer solution (pH 7.0) containing different concentrations of tramadol. Inset: Plots of electro-catalytic peak current as a function of tramadol concentration.