Figure 7:
Cyclic Voltammograms obtained for (a) GCE-MWCNT-NiO, (b) GCEMWCNT- ZnO and (c) GCE-MWCNT-Fe
3
O
4
in 5 mM Fe(CN)
6
]
4−
/[Fe(CN)
6
]
3−
solution prepared in 0.1 M PBS ( scan rate: 25-1000 mVs-1; inner to outer).
