modPresser: The following function is suggested by Presser et al. (1997)...
In Ghayabh/predictive-microbiology: bacterialgrowth Package

The following function is suggested by Presser et al. (1997) for the suboptimal pH range.

1	modPresser(pH, pHmin, muopt)

`pH`	pH # a number
`pHmin`	pHmin Minimal growth pH #a number
`muopt`	Optimal growth rate # a number

\begin{equation}\frac{μ_{\max }}{μ_{\mathrm{opt}}}=γ_{\mathrm{pH}}=≤ft(1-10^{\mathrm{pH}_{\min }-\mathrm{pH}}\right)\end{equation}

mumax #maximum growth rate # a number

1 2	modPresser(6,4.5,0.5) modPresser(c(6,7),5,0.02)

Ghayabh/predictive-microbiology documentation built on Nov. 14, 2020, 7:54 p.m.

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