Symbols | Symbols |

| Dimensionless ratio of the enzymatic reaction rate to diffusion rate of product, (none) |

| Dimensionless ratio of the enzymatic reaction rate to diffusion rate of substrate,(none) |

a,b | Dimensionless parameters (none) |

c | Concentration of product, mol/cm |

| Dimensionless product concentration, (none) |

c | Concentration of substrate, mol/cm |

| Dimensionless substrate concentration, (none) |

c | Concentration of substrate in bulk solution, mol/cm |

c | Dimensionless concentration of substrate in bulk solution, (none) |

| Diffusion coefficient of product, cm |

D | Diffusion coefficient of substrate, cm |

F | Faraday’s constant, C/mol |

I | Current density, A/cm |

K | Michaelis constant for reactant, mM |

k | Catalytic rate constant in Michaelis-Menten mechanism, s |

L | Thickness of enzyme layer, cm |

n | Number of electrons transferred in reaction, (none) |

r | Ratio of diffusion coefficients, (none) |

t | Time, s |

t | Dimensionless time, (none) |

V | Product of the kinetic parameter and enzyme loading, mM/s |

Z | Distance from the electrode surface, cm |

z | Dimensionless distance from the electrode surface, (none) |