Predictive modeling of molds effective elimination by external inactivation sources

Author:

Demo Pavel,Přeučil Filip,Tichá Petra,Domonkos Mária

Abstract

AbstractPresented paper deals with a novel application of the (nonlinear) logistic equation to model an elimination of microscopic filaments types of fungi-molds from affected materials via different external inactivation techniques. It is shown that if the inactivation rate of the external source is greater than the maximum natural growth rate of mycelium, the mold colony becomes destroyed after a finite time. Otherwise, the mycelium may survive the external attack only at a sufficiently large initial concentration of the inoculum. Theoretically determined growth curves are compared with the experimental data for Aspergillus brasiliensis mold inactivated by using both cold atmospheric plasma (CAP) and UV-germicidal lamp. Model presented in the article may be applied also to other classes of microorganisms (e.g. bacteria).

Funder

Grantová Agentura České Republiky

Publisher

Springer Science and Business Media LLC

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