Table 1.

Comparison of Biosensor Arrays on Glass and Flexible Laminate in 0.01 M PBS (pH 7.4) to Similar Biosensor Arrays and Glutamate Biosensors in the Literature.

Reference	Biosensors (Lactate/Glutamate/Glucose/Other)	Electrode Material	Area [mm2]	Sensitivity [nA/mm2/mM]	Detection Limit [μM]	Linear Range [mM]
Weltin et al.58	Lactate	Pt	0.126	2.6	90	0.09–3
	Glucose	Pt		3.3	75	0.075–10
	O2, pH	Pt, IrO2		−7350, −61.4 mV/pH	—	0–0.2, pH 4–10
Misun et al.59	Lactate	Pt	0.126	443	7.07	0.01–2
	Glucose			322	<10	0.007–1
Bavli et al.5	Lactate	Pt	~9	~2	500	0.5–20
	Glucose			~3	500	0.5–30
Tseng and Monbouquette60	Glutamate	Polypyrrole/Pt		1260	2.1	0.002–0.63
	Dopamine			3.25 × 10−4	0.062	6.2 × 10−5–0.04
Abe et al.23	Glutamate	Horseradish peroxidase/osmium bipyridine/Au		147	1	0.001–0.06
	Dopamine			197	1	0.001–0.1
Belle et al.61	Glutamate	Pt	3 × 10−4	7500	2	0.002–0.5
			0.49	1600
Nguyen et al.49	Glutamate	PtNP/MWCNT/PEDOT:PSS	0.031	2600	0.5	0.001–0.8
This work (arrays on glass)	Lactate	Pt/activated C/PEDOT:PSS	0.16	715	2.30	0.002–0.1
	Glutamate			1446	1.66	0.002–0.5
	Glucose			136	12.66	0.013–5
This work (arrays on flexible laminate)	Lactate	Pt/activated C/PEDOT:PSS	0.16	759	2.2	0.002–1
	Glutamate			2797	0.9	9 × 10−4–0.5
	Glucose			90	19	0.019–5