Research Article

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

Figure 3

Plot of Ipa versus 𝜈 1 / 2 for the oxidation of 150 μM Hcy in the presence 400 μM CHP at the surface of MWCNTPE. Inset: linear sweep voltammetry of 150 μM Hcy in the presence 400 μM CHP at various scan rates as (1) 4, (2) 8, (3) 13, (4) 17, and (5) 20 mV s−1 in 0.04 M buffer solution (pH 4.0).
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