Figure 16:
Chronoamperometric curves of (a) GCE-MWCNT-NiO, (b) GCEMWCNT- ZnO and (c) GCE-MWCNT-Fe
3
O
4
in pH 7.0 PBS containing 10
-4
M DA and different concentration of AA (approx. 1000 times DA concentration).
