Development of Galactose Biosensor Based on Functionalized ZnO Nanorods with Galactose Oxidase

Table 2

Comparison of the proposed galactose biosensor with the previous work.

No.	Slope (mV/decade)	Times respond (s)	Detection limit (mM)	Linear range (mM)	Life times	Reference
1	—	≈4	—	Up to 16×10^0	4 weeks	[40]
2	—	60	6.0×10^1	6.0 × 10^1–2.2 × 10^2	≈12 weeks	[42]
3	—	—	3.0×10^1	3.0 × 10^1–17 × 10^1	12 weeks	[46]
4	—	30–40 s	1.0×10^−2	1.0 × 10^-1–1.0 × 10^0	1 week	[47]
5	—	5	1.0×10^−1	2.0 × 10^0–2.0 × 10^1	—	[48]
6	89.10 ± 1.23	≈10	1.0×10^0	1.0 × 10^1–2.0 × 10^2	≈4 weeks	This work