2.6 Immobilization of Enzymes and Mediators
41
Table 2.2
(continued)
Compound
E°
/V versus SHE
pH
Conditions
References
thioindigo disulfonate
0.014
7
[91, 97]
methylene blue
−0.013
7.1
0.1 M MOPS, 0.2 M KCl
[100]
0.011
7
[91, 97]
0.011
7
15 °C
[108]
vitamin K
3 (2-methyl-1,4-naphthoquinone)
0.009
7
(calculated from E°)
[91, 97]
−0.010
7
0.1 M phosphate (I
= 0.1)
[109]
pycocyanine
−0.034
7
[91, 104]
indigo tetrasulfonate
−0.046
7
[91, 97]
−0.040
7
15 °C
[108]
vitamin K
1 (2-methyl-3-phyty-1,4-naphtoquinone)
−0.05
7
[91, 97]
luciferin
−0.05
7
[91, 101]
gallocyanine
−0.054
8.5
15 °C
[108]
methyl capri blue
−0.061
7
[91, 97]
resorufin
−0.07
7.4
0.1 M phosphate, 36 °C
[110]
2-amino-3-carboxy-1,4-naphtoquinone
−0.071
7
McIlvaine (I
= 0.5)
[111]
2-farnesyl-3-methyl-1,4-naphtoquinone
−0.074
7
0.1 M phosphate (I
= 0.1)
[109]
indigo trisulfonate
−0.081
7
[91, 97]
−0.080
7
0.05 M phosphate (I
= 0.1)
[95]
−0.060
7
15 °C
[108]
4-amino-1,2-naphthoquinone
−0.096
7
0.1 M phosphate (I
= 0.1)
[109]
6,8,9-trimethylisoalloxazine
−0.109
7
[91, 97]
(continued)