Figure 5
From: CVD graphene as an electrochemical sensing platform for simultaneous detection of biomolecules
(a) DPV curves of graphene/Ta wire electrode in 0.1 M PBS (pH 7.0) with various concentrations of AA, DA, UA, Trp, and \({{\rm{NO}}}_{2}^{-}\). (b–f) Plots show peak currents versus the concentrations of AA, DA, UA, Trp, and \({{\rm{NO}}}_{2}^{-}\), respectively.
