Table 1.

Performance Criteria of Various Sensors Containing Different Outer Semipermeable Membranes

Type of LBL membrane	Before PVA				After PVA
	Sensor name	$K_{\text{m},\text{glu}}^{\text{app}}$a	LRSb	Oxygen slopec	Sensor name	$K_{\text{m},\text{glu}}^{\text{app}}$a	LRSb	Oxygen slopec
HA/Fe3+	A5	11 ± 2	11.0 ± 0.4	9.0 ± 1	A5P3	14 ± 4	4 ± 1	5 ± 1
HA/PDDA	B5	3.3 ± 0.3	7 × 101 ± 1 × 101	23 ± 8	B5P3	4 ± 0.4	4 × 101 ± 2 × 101	19 ± 3
PSS/PDDA	C5	3 ± 1	10 × 101 ± 3 × 101	23 ± 3	C5P3	4 ± 2	5.6 × 101 ± 2 × 101	20 ± 3
None	Control	2.3 ± 0.3	13 × 101 ± 4 × 101	29 ± 5

^aMichaelis–Menten constant $\left(K_{\text{m},\text{glu}}^{\text{app}}\right)$(in mM of glucose).

^bLinear range sensitivity (in μAcm⁻²mM⁻¹).

^cInitial O₂ slope $\left(K_{\text{m},{\text{O}}_2}^{\text{app}}/\left[\text{Glucose}\right]\right)$(in μMO₂mM⁻¹Glu).