40
2 MET-Type Bioelectrocatalysis
Table 2.2
(continued)
Compound
E°
/V versus SHE
pH
Conditions
References
2,6-dimethylindophenol
0.148
7
[91, 97]
5-isopropyl-2-methyl-p-benzoquinone
0.147
7
0.1 M phosphate (I
= 0.3)
[95]
1,2-naphthoquinone
0.143
7
[91, 101]
1-naphthol-2-sulfonate indophenol
0.123
7
[91, 97]
toluylene blue
0.115
7
[91, 97]
TTQ (tryptophan tryptophylquinone) model
(3-methyl-4-(3
-methylindol-2
-yl)indol-6,7-dione)
0.107
7
phosphate, 20 v/v % DMSO
[102]
Ubiquinone (coenzyme Q)
0.1
7
95% ethanol
[91, 103]
PMS (N-methylphenazinium methosulfate)
0.08
7
[91, 98, 104]
TPQ (topa quinone or 6-hydroxydopa quinone)
0.079
7
phosphate (I
= 0.5)
[105]
PQQ (pyrroloquinoline quinone)
0.066
7
phosphate (I
= 0.5)
[106]
0.09
7
[107]
thionine
0.064
7
[91, 97]
thionine-tetrasulfonate
0.063
7
[91, 97]
ascorbic acid
0.058
7
[91, 97]
PES (phenazine ethosulfate)
0.055
7
[91, 97]
cresyl blue
0.047
7
[91, 97]
1,4-naphthoquinone
0.036
7
[91, 97]
toluidine blue
0.027
7
0.1 M phosphate, 0.1 M NaCl
[96]
0.034
7
[91, 97]
thiazine blue
0.027
7
[91, 97]
gallocyanine
0.021
7
[91, 97]
(continued)