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Related Concept Videos

Bioreactor Design and Operational System01:29

Bioreactor Design and Operational System

Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
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Growth media provide essential nutrients that support cell growth and metabolism, thereby enhancing the yield of valuable products such as enzymes, antibiotics, and biomass. Designing an effective growth medium involves balancing all components to prevent nutrient limitations or toxic excesses, both of which can impair growth and reduce product yields.Composition of a Typical Growth MediumA typical growth medium contains carbon and nitrogen sources, salts, vitamins, trace elements, and...
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Methods of Medium Optimization

Optimizing growth media enhances microbial proliferation and maximizes product yield. Statistical experimental design methodologies provide structured and reproducible approaches, offering progressively higher levels of robustness and efficiency.The One-Factor-at-a-Time (OFAT) MethodThe One-Factor-at-a-Time (OFAT) method involves adjusting a single variable while keeping all others constant. However, it cannot detect interactions between variables, often leading to suboptimal outcomes when...
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Fed-batch culture is a widely used bioprocessing strategy combining aspects of batch culture with controlled substrate feeding to optimize cell growth and product formation. In this semi-closed system, nutrients are strategically added during fermentation, while the accumulated products and biomass remain within the bioreactor until the end of the operation. This controlled addition of substrates allows for better management of growth kinetics, nutrient limitation, and metabolite...
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Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...

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Fedbatchdesigner: A User-Friendly Dashboard for Modeling and Optimizing Growth-Arrested Fed-Batch Processes.

Andrea C Graf1,2, Julian Libiseller-Egger1,3, Mathias Gotsmy4

  • 1Department of Analytical Chemistry, University of Vienna, Vienna 1090, Austria, EU.

ACS Synthetic Biology
|July 21, 2025
PubMed
Summary
This summary is machine-generated.

FedBatchDesigner simplifies bioprocess optimization for scientists. This web tool helps maximize fermentation efficiency by exploring titer, rate, and yield (TRY) landscapes for improved biomanufacturing.

Keywords:
TRY optimizationbioprocess designgrowth-decoupled productionmicrobial fermentationweb application

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Area of Science:

  • Biotechnology
  • Biochemical Engineering
  • Process Optimization

Background:

  • Optimizing fed-batch fermentation is crucial for bioprocess efficiency.
  • Complex mathematical models often hinder accessibility for experimental scientists.
  • A need exists for user-friendly tools to design fed-batch processes.

Purpose of the Study:

  • To present FedBatchDesigner, a web tool for optimizing fed-batch fermentation with a growth-arrested production stage.
  • To enable rapid exploration of titer, rate, and yield (TRY) landscapes.
  • To support rational decision-making through interactive visualizations.

Main Methods:

  • Development of a user-friendly web tool, FedBatchDesigner.
  • Implementation of algorithms for exploring constant, linear, and exponential feeding strategies.
  • Integration of interactive visualizations for assessing trade-offs.

Main Results:

  • FedBatchDesigner allows exploration of the TRY landscape with minimal input.
  • Interactive visualizations facilitate assessment of productivity versus titer trade-offs.
  • Successful demonstration of utility in optimizing l-valine and ethanol production.

Conclusions:

  • FedBatchDesigner enhances accessibility to bioprocess optimization for experimental scientists.
  • The tool supports informed decision-making without requiring extensive modeling expertise.
  • FedBatchDesigner is freely available, promoting wider adoption in biomanufacturing.