Single Vessel Multi-Zone Bioreactor with Porous Hydrogels
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Solution Overview
Problem
Conventional bioreactors require separate vessels for culturing multiple strains of aerobic and anaerobic bacteria, making the production of probiotic products costly and inaccessible to malnourished children in underdeveloped and developing countries due to the complexity and expense of maintaining multiple growth environments.
Innovation Solution
A single vessel multi-zone bioreactor with sequentially arranged culturing zones providing gradients in pH and oxygen levels, using porous hydrogels to simulate the conditions of the human gut, allowing simultaneous cultivation of multiple microbial strains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple strains of bacteria are cultured in separate bioreactors, then each strain can be grown under its optimal conditions, but the production process becomes complicated and costly
Solution Approach 1:
The patent combines multiple separate bioreactors into a single multi-zone bioreactor system. Each zone within the bioreactor is equipped with independent control mechanisms for pH, temperature, and aeration, allowing multiple bacterial strains to be cultured simultaneously under their respective optimal conditions while reducing the overall number of vessels required and simplifying the production process.
Solution Approach 2:
The bioreactor is divided into multiple independent zones, each capable of maintaining distinct environmental parameters. This segmentation allows different bacterial strains to occupy different zones with customized pH, temperature, and oxygen levels, enabling simultaneous cultivation of aerobic and anaerobic bacteria without cross-contamination or competitive inhibition.
2Reliability
If multiple strains of bacteria are cultured in separate bioreactors, then each strain can be grown under its optimal conditions, but the production cost increases
Solution Approach 1:
The patent combines multiple separate bioreactors into a single multi-zone bioreactor system. Each zone within the bioreactor is equipped with independent control mechanisms for pH, temperature, and aeration, allowing multiple bacterial strains to be cultured simultaneously under their respective optimal conditions while reducing the overall number of vessels required and simplifying the production process.
Solution Approach 2:
The multi-zone bioreactor serves multiple functions simultaneously - it can culture aerobic bacteria in one zone while culturing anaerobic bacteria in another zone, all within a single vessel. This multi-functionality eliminates the need for multiple specialized bioreactors, reducing equipment investment and operational costs while maintaining optimal conditions for each strain.
3Ease of manufacture
If a single bioreactor is used to culture multiple strains, then production cost is reduced, but maintaining different growth environments becomes difficult
Solution Approach 1:
The bioreactor is divided into multiple independent zones, each capable of maintaining distinct environmental parameters. This segmentation allows different bacterial strains to occupy different zones with customized pH, temperature, and oxygen levels, enabling simultaneous cultivation of aerobic and anaerobic bacteria without cross-contamination or competitive inhibition.
Solution Approach 2:
The bioreactor system incorporates dynamic control mechanisms that can independently adjust pH, temperature, and aeration rates for each zone. This dynamic adaptability allows the system to respond to the specific requirements of different bacterial strains in real-time, maintaining optimal growth conditions for multiple strains simultaneously within a single vessel.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the cost-effective production of probiotic products by culturing multiple microbial strains in a single bioreactor, reducing production costs and making these products more accessible, while maintaining the diversity of gut microbiome necessary for health benefits.
Implementation Method 1
the multiple culturing zones are arranged sequentially so as to provide a gradient in oxygen levels, from a higher partial pressure of oxygen to a lower partial pressure of oxygen, or from aerobic conditions to anaerobic conditions
Implementation Method 2
the multiple culturing zones are arranged sequentially so as to provide a gradient in pH, from lower pH to higher pH, or from acidic pH to basic pH
Data Source
AI summary
A single vessel multi-zone bioreactor for simultaneously culturing multiple microbial strains comprising multiple culturing zones arranged sequentially, each culturing zone comprising a porous hydrogel, and the use thereof for producing optionally encapsulated probiotics.