Table 3 The peak positions for the oxidation, EpOx, and reduction, EpRed, of an array of electroactive redox probes/analytes utilised in this study. Scan rate: 50 mV s−1.
Analytes | Voltammetric Peak Potentials/V (vs. SCE) | ||
---|---|---|---|
EpOx | EpRed | ΔEp | |
Hexaammineruthenium (III) chloride/0.1 M KCl | −0.14 | −0.31 | 0.16 |
Ammonium iron (II) sulfate/0.2 M HClO4 | +1.32 | −0.10 | 1.43 |
Nicotinamide adenine dinucleotide/pH 7.4 PBS | +0.82 | N/A | N/A |
Ascorbic acid/pH 7.4 PBS | +0.93 | N/A | N/A |
Sodium nitrite/pH 7.4 PBS | +1.39 | N/A | N/A |
Dopamine/pH 7.4 PBS | +0.71 | N/A | N/A |