Computational and Mathematical Methods in Medicine

Computational and Mathematical Methods in Medicine / 2010 / Article

Original Article | Open Access

Volume 11 |Article ID 916258 | https://doi.org/10.1080/17486700902789355

Hermann J. Eberl, Hassan Khassehkhan, Laurent Demaret, "A Mixed-Culture Model of a Probiotic Biofilm Control System", Computational and Mathematical Methods in Medicine, vol. 11, Article ID 916258, 20 pages, 2010. https://doi.org/10.1080/17486700902789355

A Mixed-Culture Model of a Probiotic Biofilm Control System

Received24 Jun 2008
Accepted13 Jan 2009

Abstract

We present a mathematical model and computer simulations for the control of a pathogenic biofilm by a probiotic biofilm. This is a substantial extension of a previous model of control of a pathogenic biofilm by microbial control agents that are suspended in the aqueous bulk phase (H. Khassehkhan and H.J. Eberl, Comp. Math. Meth. Med, 9(1) (2008), pp. 47–67). The mathematical model is a system of double-degenerate diffusion–reaction equations for the microbial biomass fractions probiotics, pathogens and inert bacteria, coupled with convection–diffusion–reaction equations for two growth controlling substrates, protonated lactic acids and hydrogen ions (pH). The latter are produced by the bacteria and become detrimental at high concentrations. In simulation studies, we find that the site of attachment of probiotics in the flow channel is crucial for success and efficacy of the probiotic control mechanism.

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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