| Symbol | Usual units | Definition |
| [S] | mol/cm3 | Concentration of substrate |
|
| mol/cm3 | Hydrolysis products of organophosphodiester |
|
| mol/cm3 | Concentration of hydrolysis products of alcohol |
|
| mol/cm3 | Added external buffer |
|
| mol/cm3 | Deprotonation products |
|
| mol/cm3 | Concentration of the species |
|
| cm2/s | Diffusion coefficients |
|
| mmol/min | Rate of reactions |
|
| cm/s | Rate constant for the formation of the Michaelis complex |
|
| cm/s | Rate constant for the chemical transformation |
|
| cm/s | Rate constant for product dissociation |
|
| mol/cm3 | Enzyme concentration |
|
| None | Dimensionless concentration of S |
|
| None | Dimensionless concentration of |
|
| None | Dimensionless concentration of |
|
| None | Dimensionless concentration of |
|
| None | Dimensionless concentration of hydrogen ions |
|
| cm | Distance |
|
| cm | Thickness of the enzyme membrane |
|
| None | Dimensionless distance |
| a | None | Thiele modulus |
|
| mol/cm3 | Michaelis-Menten constant. |
|
| None | Dimensionless equilibrium constants |
|
| None | Dimensionless time |
|
| None | Dimensionless parameter |
|
| None | Dimensionless parameter |