. 2017 Mar 3;7:43181. doi: 10.1038/srep43181

Table 2. Cyclic voltammetric parameters obtained for bare and modified electrodes in pH 7.2 PBS containing 0.085 mM of DA at scan rate 25 mV s⁻¹.

Fabricated GC electrodes	Cyclic voltammetric parameter
Fabricated GC electrodes	I_pa (μA)	E_pa (V)
BARE	1.94	0.256
Fe₃O₄	1.47	0.196
ZnO	0.21	0.173
2,3-Nc	2.3	0.192
29H,31H-Pc	1.53	0.266
MWCNT	14.4	0.176
MWCNT/Fe₃O₄/2,3-Nc	29	0.201
MWCNT/Fe₃O₄/29H,31H-Pc	20	0.186
MWCNT/ZnO/2,3-Nc	23.7	0.168
MWCNT/ZnO/29H,31H-Pc	19.8	0.174

Table 2. Cyclic voltammetric parameters obtained for bare and modified electrodes in pH 7.2 PBS containing 0.085 mM of DA at scan rate 25 mV s−1.