Table 1.

Sensing parameters of the potentiometric arrayed glucose biosensors over a glucose concentration ranging from 0 to 14 mM.

Membrane	Glucose Concentration (mM)	Response Voltage (Mean ± SD, mV)	Average Sensitivity (mV/mM)	Linearity
Nafion-GOx/GO/ZnO	0	118.73 ± 1.76	11.92	0.998
	2	111.64 ± 3.77
	4	94.10 ± 4.36
	6	67.54 ± 3.68
	8	43.20 ± 4.16
	10	17.88 ± 6.36
	12	7.13 ± 5.17
	14	1.83 ± 5.45
Nafion-GOx/GO/AZO	0	157.02 ± 2.01	15.44	0.997
	2	145.13 ± 5.57
	4	123.12 ± 4.80
	6	90.32 ± 5.47
	8	53.49 ± 6.38
	10	25.50 ± 7.71
	12	15.56 ± 6.58
	14	10.72 ± 5.49