Table 1 Standard redox potential of mediators (Eo) versus SHE7 and the mean magnitude of the steady state oxidation current (iss) obtained from LSVs at 425 mV vs Ag/AgCl of double mediator solutions incubated with cells. Log P values for NR SFN, GC, MD, DCIP, BQ, MR are for octanol/water. The log P value for N,N,N′,N′-TMPD is for hexane/water. ∧Log P values were calculated using ChemDraw (http://www.cambridgesoft.com)
Mediator | E0 (V) | Mean iss/nA ± 1SE. | Log P | Electrons transfered |
|---|---|---|---|---|
NR | −0.325 | 2.8 ± 0.9 | −0.95 [41] | 1e− |
SFN | −0.289 | 12.2 ± 1.9 | 0.4 [42] | 2e− |
TB | −0.027 | 1.9 ± 0.4 | −0.9 [42] | 2e− |
GC | 0.03 | 18.6 ± 1.6 | 1.56 [43] | 2e− |
MD | 0.03 | 318 ± 5 | 1.58 [44] | 2e− |
PES | 0.055, | 1.5 ± 1.5 | 3.06∧ | 2e− |
RES | 0.065 | 5.2 ± 0.9 | 1.77∧ | 2e− |
1-M-PMS | 0.08 | 6.1 ± 2.0 | 2.9∧ | 2e− |
DCIP | 0.217 | 64.9 ± 2.6 | 3.12 [47] | 2e− |
N,N,N′,N ′-TMPD | 0.25 | 124 ± 5 | 5.6 [10] | 1e− * |
2,3,5,6-TMPD | 0.257 | 350 ± 15 | 2.37∧ | 2e− |
BQ | 0.28 | 22.0 ± 2.3 | 0.18 [45] | 2e− |
MR | 0.37 | 35.4 ± 3.6 | 1.67 [46] | 2e− |
[Fe(CN)6]3− | 0.46 | 7.5 ± 0.3 | −0.26∧ | 1e− |
