Related Experiment Video
Updated: Apr 5, 2026

08:04
Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering
Published on: April 25, 2013
15.2K
Recent advances in systems engineering approaches to integrated strain and bioprocess development
Jennifer N Hennigan1, Maximillian Golovsky1, Utsuki Yano2
1Department of Biomedical Engineering, Duke University, Durham, NC, USA.
Trends in Biotechnology
|April 4, 2026
Summary
Systems engineering can improve bioprocessing by integrating upstream and downstream steps. Holistic approaches are crucial for aligning academic research with industrial needs and achieving commercial success.
Area of Science:
- Bioprocess Engineering
- Chemical Manufacturing
- Systems Engineering
Background:
- Bioprocessing lags behind chemical manufacturing in adopting comprehensive systems engineering approaches.
- Current bioprocess development often involves optimizing subsystems in isolation, limiting overall performance.
Purpose of the Study:
- To review strategies for engineering integrated upstream and downstream bioprocesses.
- To identify key leverage points for applying systems engineering in bioprocessing.
- To address the misalignment between academic bioprocess research and industrial requirements.
Main Methods:
- Literature review of systems engineering strategies in bioprocessing.
- Analysis of current bioprocess optimization practices.
- Identification of four key leverage points for integrative bioprocess design.
Main Results:
- Bioprocess subsystems are frequently optimized in isolation, hindering performance.
- Key leverage points include engineering product accessibility, modifying strains, adapting products for purification, and enhancing strain tolerance.
- Integrative approaches significantly improve process consolidation.
Conclusions:
- A holistic systems perspective is essential for transformative impact in bioprocessing.
- Significant misalignment exists between academic research and commercially relevant industrial metrics.
- Future bioprocess development must bridge the gap between research and industry needs.
Keywords:
bioprocess engineeringbioprocess optimizationdownstream processingsystems engineeringsystems integrationupstream processingMore Related Videos
Related Concept Videos
Bioreactor Controls-III
53
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
53
Bioreactor Design and Operational System
86
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...
86
Upstream Processing
77
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...
77
Scale-Up Processes
73
The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
73
Designing Growth Media for Bioreactors
60
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...
60
Bioreactor Controls-I
64
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly...
64

