Research Article

Voltammetric Determination of Homocysteine Using Multiwall Carbon Nanotube Paste Electrode in the Presence of Chlorpromazine as a Mediator

Figure 5

(a) Chronoamperograms obtained at the MMWCNTPE in the absence (A) and in the presence of (B) 250 and (C) 500 μM Hcy in a buffer solution (pH 4.0). (b) dependence of 𝐼 𝐶 / 𝐼 𝐿 on the 𝑡 1 / 2 derived from the chronoamperogram data.
902184.fig.005a
(a)
902184.fig.005b
(b)