Membrane type Nylon net Onion membrane Eggshell membrane Bamboo inner shell membrane
Gelating agent Glutaraldehyde O-HTCC NP L-O-HTCC NP Glutaraldehyde Glutaraldehyde  
Response time (s) 80 70 40 100
Linear range (mM) 0.018-1.10 0.0-0.60 0.0-0.60 0.010-1.3 0.0-0.60
Detection limit (µM) 9.0 50 12.4 58
Sensitivity (mg L-1/mM) 6.28 12.2 13.6 8.34 9.74
Storage stability 83% (50 days) 90% (21 days) 95% (1 year) 85% (4 months) 95% (8 months)
Reproducibility (between membranes) 3.8% (n=10) 3.2% (n=10) 3.0% (n=10) 3.2% (n=7) 3.0% (n=10)
Reference 24 25 Present work 17 3
Table 4: Comparison of analytical merits of some recent biosensors based on glucose oxidase-immobilized natural biomaterials.