Bioanodes for Glucose Oxidation

AgCl (3 M NaCl) reference electrode. Recent focus on the need to adopt a standardized platform for testing of BFC electrodes, mediators, and configurations, to allow exchange and comparison of results, and to help understand contributions to improve bioelectrocatalysis at electrodes is to be welcomed [22-25]. 

Grosslinking to glassy carbon electrode via ultraviolet irradiation 

Sugar oxidizing enzyme Surface Mediator Cell conditions Potential (V) Current density (mAcrn ) (approx.) Ref. 

PDH graphite rod electrodes [Os(N,N -dimethyl-2,2 - glucose, flow rate 1 ml/  

Phane-rochae-te- Epoxide crosslinking to No mediator pH = 3.5, 25 °C, lOOmM 0.0 0.06 [49] 

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The power of biofuel cells is directly related to the difference between the respective redox potentials of the electroenzymatic reactions occurring at each of the two electrodes the bioanode for glucose oxidation and the biocathode for the reduction of oxygen. The cell voltage and hence the power thus depends on the mode of enzyme wiring and therefore, the direct electron transfer is the most... 

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