Table 5.

DPV peak values of LDA in a mixture of 50 μM LDA, 10 μM UA and 1 mM AA in 0.1 M APBS (pH 7.0), at 25 mV/s scan rate, using bare GCE, GO/GCE and erGO/GCE electrode

Working electrode	LDA
	Current/μA	Potential/V
(a) GCE	23.28	0.219
(b) GO/GCE	0.15	0.26
(c) erGO/GCE	33.87	0.20