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Related Concept Videos

Biofilms01:29

Biofilms

Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...

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Growing Mycobacterial Biofilm as a Model to Study Antimicrobial Resistance
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Modelling of biofilms.

O Wanner1

  • 1a Swiss Federal Institute for Environmental Science and Technology (EAWAG) , Duebendorf , CH-8600 , Switzerland.

Biofouling
|November 26, 2011
PubMed
Summary

A mixed-culture biofilm (MCB) model predicts biofilm development and conditions. The AQUASIM program simulates these aquatic systems, aiding wastewater treatment, biofouling, and biocorrosion research.

Area of Science:

  • Environmental microbiology
  • Bioprocess engineering
  • Computational modeling

Background:

  • Biofilms are complex microbial communities impacting various systems.
  • Understanding biofilm dynamics is crucial for managing wastewater treatment, biofouling, and biocorrosion.
  • Existing models often lack the comprehensive scope to capture intricate biofilm processes.

Purpose of the Study:

  • To present a versatile mixed-culture biofilm (MCB) model.
  • To introduce AQUASIM, a software tool for simulating aquatic systems based on the MCB model.
  • To explore the applicability of the MCB model and AQUASIM to biofouling and biocorrosion.

Main Methods:

  • Development of a mass balance-based mixed-culture biofilm (MCB) model.
  • Implementation of the MCB model within the AQUASIM computer program.

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  • Simulation, sensitivity analysis, parameter estimation, and data fitting routines.

    • Main Results:

    • The MCB model accurately describes biofilm thickness, spatial distribution, and component development over time.
    • AQUASIM effectively solves the MCB model equations, offering a user-friendly interface.
    • The model demonstrates potential for predicting physico-chemical conditions at the biofilm-solid interface.

    Conclusions:

    • The MCB model provides a robust framework for studying microbial systems, applicable beyond wastewater treatment.
    • AQUASIM is a powerful tool for the identification and simulation of aquatic systems, including biofilms.
    • Further investigation into the MCB model and AQUASIM for biofouling and biocorrosion is warranted.