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Use of High-Throughput Automated Microbioreactor System for Production of Model IgG1 in CHO Cells
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Recent advances in fed-batch microscale bioreactor design.

Sarah Teworte1, Koray Malcı2, Laura E Walls2

  • 1Institute for Bioengineering, School of Engineering, University of Edinburgh, The King's Buildings, Edinburgh EH9 3DW, Scotland, United Kingdom.

Biotechnology Advances
|December 19, 2021
PubMed
Summary
This summary is machine-generated.

Advanced microbioreactors use high-throughput feeding strategies to accelerate bioprocess development. These methods, from simple diffusion to automated systems, offer efficient, low-risk cultivation, though cost and complexity remain barriers.

Keywords:
Accelerated bioprocess developmentAutomationFed-batchHigh-throughputMicrobioreactorMicrofluidicsSynthetic biology

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Area of Science:

  • Biotechnology
  • Bioprocess Engineering
  • Microscale Cultivation

Background:

  • Advanced fed-batch microbioreactors improve scalability and mimic industrial practices.
  • High-throughput microscale feeding strategies enhance accessibility for fed-batch cultivation.

Purpose of the Study:

  • To review technologies for microscale fed-batch cultivation.
  • To explore their role in accelerating bioprocess development.

Main Methods:

  • Diffusion- and enzyme-controlled feeding for continuous substrate supply.
  • Automated liquid handling robots for programmed feed profiles and parameter response.
  • Microfluidic technologies for precise and continuous feeding.
  • Integration of automated cultivation with design of experiments and model-based optimization.

Main Results:

  • Simple feeding methods (diffusion, enzyme-controlled) are affordable.
  • Complex feeding requires additional hardware.
  • Automated systems offer sensitivity and responsiveness.
  • Holistic approaches enhance process understanding and minimize experimental burden.
  • Real-time data integration allows online optimization.

Conclusions:

  • Microscale fed-batch technologies promise efficient, low-risk bioprocess development.
  • High cost and complexity limit widespread adoption of automated platforms.
  • Future development should focus on open-source software and accessible hardware.