Figure 5:
Cyclic Voltammograms of Bare GCE in (a) 0.1 M PBS (pH 7) and (b) 5 mM Fe(CN)
6
]
4−
/[Fe(CN)
6
]
3−
solution prepared in 0.1M PBS (scan rate: 25-1000 mVs-1; inner to outer).