2.6 Immobilization of Enzymes and Mediators
39
Table 2.2
(continued)
Compound
E°
/V versus SHE
pH
Conditions
References
1,4-benzoquinone
0.293
7
[91, 97]
0.28
0.293
7
0.1 M phosphate (I
= 0.1)
[95]
TMPDA (1 +
/0)
0.276
7
0.1 M phosphate (I
= 0.1)
[95]
diaminodurene
0.263
7
0.1 M phosphate (I
= 0.1)
[95]
2,5-dihydroxyphenylacetic acid
0.26
7
[91, 97]
2,6,2
-trichloroindophenol
0.254
7
[91, 97]
indophenol
0.228
7
[91, 97]
o-toluidine
blue
0.224
7
[91, 97]
DCPIP (2,6-dichlorophenolindophenol)
0.24
7
0.1 M phosphate, 0.1 M KCl
[99]
0.227
7.1
0.05 M MOPS, 0.2 M NaNO
3
[100]
0.217
7
[91, 97]
2,6-dibromoindophenol
0.216
7
[91, 97]
phenol blue
0.224
7
[91, 97]
3-aminothiazine
0.208
7
[91, 97]
1,2-napthoquinone-4-sulfonate
0.174
7.5
0.1 M phosphate
[95]
2,6-dimethyl-p-benzoquinone
0.169
7
0.05 M phosphate (I
= 0.1)
[95]
2,6-dibromo-2
-methoxy-indophenol
0.161
7
[91, 97]
2,3-dimethoxy-5-methyl-1,4-benzoquinone
0.159
7.5
0.1 M phosphate
[95]
2,5-dimethyl-p-benzoquinone
0.15
7
0.1 M phosphate (I
= 0.3)
[95]
1,4-dihydoxynaphthoic acid
0.153
7
0.1 M phosphate (I
= 0.5)
[95]
(continued)