Table 1.

Comparison of CuNi/C glucose sensor with previously reported Ni-based non-enzymatic glucose sensors

Electrode composition	Working potential (V vs. Ag/AgCl)	Sensitivity mA (mM−1 cm−2)	Linear range (µM)	Detection limit (µM)	Self-supported or not
CuNi/MWCNTs [38]	0.450	1.4702	0.962–5000	0.0025	No
CuNi/MWCNTs [37]	0.575	2.4370	2000–8000	0.0250	Yes
CuNi [35]	0.550	0.01916	7–23670	2.3000	Yes
CuNi [36]	0.600	1.5909	10–3200	5.0	Yes
This work	0.540	17.1203	0.2–2720.6	0.06667	Yes