
476 Nanosensors: Physical, Chemical, and Biological
compellingly symmetrical and exhibited the characteristic bell shape
expected for adsorbed redox species. Further, it was noted that that the addi-
tion of Naon clearly enhanced the dispersion of the nanotube collections
on the support electrode surface, which may then boost the effectiveness of
the nanotube wiring to the entrenched avin active site of the immobilized
FAD unit linked to the
SWCNT
Reconstitution of Go
x
on FAD units
R
O
O
H
Gold electrode
2-Thioethanol
H
2
N
SH
Cyteamine
S
S
S
S
S
OH
OH
NH
2
NH
2
OH
OH
NH
2
NH
2
2-Thioethanol/cysteamine
mixed monolayer (3:1 ratio)
on gold electrode
SWCNT
S S
S
S S
C
N
N
+
NH