Monod Equation



The Monod equation is:

where µ = specific growth rate coefficient

= maximum growth rate coefficient

S = concentration of limiting nutrient

Ks = Monod coefficient. This is also called the half-saturation coefficient because it corresponds to the concentration at which µ is one-half of its maximum. This can be seen from the Monod equation by setting S equal to Ks.

This simulation allows you to investigate the effects of varying the Monod and maximum growth rate coefficients. Note what happens when the Monod coefficient becomes much greater than the maximum growth rate and vice versa, i.e., by changing one coefficient while not changing the other from its initial value.



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