Figure 4:
The Cyclic voltamogramme of TiO
2
(1), TiO
2
-AuNP
2
(2), and TiO
2
- AuNP
1
(3) modified graphite paste electrode in absence (a) and the presence (b) of 1 mM hydrazine in 0.1 M phospahate buffer (pH 7.0) containing 0.5 M KCl.
