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Related Experiment Videos

A novel parallel shaken bioreactor system for continuous operation.

Ali Akgün1, Bernd Maier, Diana Preis

  • 1Biochemical Engineering, Aachen University of Technology, Sammelbau Biologie, Worringerweg 1, D-52074 Aachen, Germany.

Biotechnology Progress
|December 4, 2004
PubMed
Summary

A new milliscale bioreactor system enables efficient microbial growth studies. This shaken culture vessel allows parallel operation for rapid data acquisition, saving time and resources.

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Area of Science:

  • Biotechnology
  • Microbial Physiology
  • Bioprocess Engineering

Background:

  • Investigating microbial growth kinetics and product formation is crucial for bioprocess optimization.
  • Conventional methods can be time-consuming and resource-intensive.
  • Milliscale bioreactor systems offer potential for high-throughput analysis.

Purpose of the Study:

  • To develop and evaluate a novel continuous bioreactor system for milliscale microbial cultivation.
  • To assess the system's efficiency in determining growth kinetics and product formation.
  • To compare the performance of the novel system with conventional fermentors.

Main Methods:

  • Development of a 250-mL shake flask bioreactor with dedicated inlets for gas and medium, and a combined outlet.

Related Experiment Videos

  • Utilizing centrifugal force and exhaust gas flow for continuous medium exchange and product removal.
  • Simultaneous operation of multiple vessels at varying dilution rates for efficient data generation.
  • Comparison of continuous fermentation of Saccharomyces cerevisiae in the novel system and a stirred tank fermentor.

    • Main Results:

    • The novel bioreactor system successfully maintained continuous fermentation at milliscale.
    • Parallel operation of multiple vessels allowed for efficient generation of biomass over dilution rate (X-D) diagrams.
    • Results from the novel system closely mirrored those obtained from a conventional stirred tank fermentor.
    • The system demonstrated savings in time, materials, and cost.

    Conclusions:

    • The developed shaken bioreactor system is a viable and efficient tool for milliscale continuous microbial cultivation.
    • The system facilitates rapid and cost-effective evaluation of microbial growth kinetics and product formation.
    • This innovation can significantly streamline bioprocess development and research.