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 timesReference

14Up to 1 6 × 1 0 0 4 weeks[40]
260 6 . 0 × 1 0 1 6.0 × 101–2.2 × 10212 weeks[42]
3 3 . 0 × 1 0 1 3.0 × 101–17 × 10112 weeks[46]
430–40 s 1 . 0 × 1 0 2 1.0 × 10-1–1.0 × 1001 week[47]
55 1 . 0 × 1 0 1 2.0 × 100–2.0 × 101[48]
689.10 ± 1.2310 1 . 0 × 1 0 0 1.0 × 101–2.0 × 1024 weeksThis work