Enzymatic mechanisms and electron transfer mediation in chronoamperometric biosensors

1991 ◽  
Vol 20 (10) ◽  
pp. 995-1000 ◽  
Author(s):  
Joseph Jordan ◽  
M. K. Ciolkosz
2004 ◽  
Vol 4 (2-4) ◽  
pp. 137-140 ◽  
Author(s):  
D.E. Tallman ◽  
M.P. Dewald ◽  
C.K. Vang ◽  
G.G. Wallace ◽  
G.P. Bierwagen

ChemPhysChem ◽  
2012 ◽  
Vol 13 (12) ◽  
pp. 2805-2805
Author(s):  
Wiphada Hongthani ◽  
Avinash J. Patil ◽  
Stephen Mann ◽  
David J. Fermín

ChemPhysChem ◽  
2012 ◽  
Vol 13 (12) ◽  
pp. 2956-2963 ◽  
Author(s):  
Wiphada Hongthani ◽  
Avinash J. Patil ◽  
Stephen Mann ◽  
David J. Fermín

At a modified electrode, electrocatalysis is accomplished by an immobilized redox substance acting as an electron transfer mediator between the electrode and a reaction substrate. Such mediated electrocatalysis is possible with monomolecular and multimolecular layers of the redox substance. The electron transfer mediation can assume several special forms; these are identified and experimental examples are given. The differences between electrocatalytic behaviour of monomolecular and multimolecular layers are discussed; electrocatalysis in the latter circumstance can include reaction rate elements of electrochemical charge and substrate migration through the multilayer in addition to the chemical rate. Theoretical ideas are presented that interconnect these three rate elements, to show that either all of the multilayer sites can participate in the electrocatalytic reaction, or only about the equivalent of a monolayer, depending on the relative rates of the electrochemical charge transport, the diffusion of substrate, and the chemical reaction rate.


2009 ◽  
Vol 11 (8) ◽  
pp. 1703-1706 ◽  
Author(s):  
Aifang Wang ◽  
Jean-Marc Nöel ◽  
Dodzi Zigah ◽  
Càtia Ornelas ◽  
Corinne Lagrost ◽  
...  

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