Modular Multi-Tissue Chip for CBRN Immune Response Modeling
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Solution Overview
Problem
Current multi-tissue chip (MTC) technologies are limited in their ability to model human tissue responses to chemical, biological, radiological, and nuclear (CBRN) threats, hindering the development of effective medical countermeasures.
Innovation Solution
The development of a modular multi-tissue chamber (MTC) system that integrates multiple tissue types, immune cells, and real-time sensors to simulate human tissue responses to CBRN threats, enabling continuous monitoring and data analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current multi-tissue chip technologies are used, then device complexity is reduced, but the ability to model human tissue responses to CBRN threats is insufficient
Solution Approach 1:
The system is divided into multiple independent tissue chambers (lung, liver, gut, spleen, kidney chambers) that can be separately cultured and maintained. Each chamber contains specific human tissue types and can be independently manipulated, allowing complex physiological responses to be modeled through the integration of simpler, modular components.
Solution Approach 2:
The patent implements a hierarchical structure where individual tissue chambers are nested within a larger multi-tissue chip system. Each chamber contains tissue-specific components (epithelial cells, immune cells, extracellular matrix) that are nested within the common fluid circulation system, enabling multi-scale modeling from cellular to organ-level responses.
2Productivity
If rapid testing of drug absorption and immune responses is implemented, then productivity is improved, but measurement precision may be compromised
Solution Approach 1:
The system employs continuous recirculation of culture media through all tissue chambers, maintaining constant physiological conditions and enabling uninterrupted real-time monitoring. This continuous operation allows rapid sequential testing of multiple drugs or conditions without system reconfiguration, while integrated sensors continuously capture physiological parameters for precise data collection.
Solution Approach 2:
Integrated sensors monitor physiological parameters (oxygen consumption, pH, glucose levels) in real-time and feed this information back to the control system. This feedback enables dynamic adjustment of flow rates, oxygenation, and nutrient supply to maintain optimal tissue function during rapid testing, ensuring measurement precision is preserved despite increased testing throughput.
3Adaptability or versatility
If multiple tissue types and immune cells are integrated, then adaptability is improved, but device complexity increases
Solution Approach 1:
The multi-tissue chip system serves multiple functions: it models drug absorption across different tissue barriers (lung, gut, liver, kidney), assesses immune responses through integrated immune cells, monitors physiological parameters in real-time, and enables rapid testing of various CBRN threats. This multi-functionality is achieved through a standardized chamber design that can accommodate different tissue types while sharing common infrastructure.
Solution Approach 2:
Each tissue chamber is optimized with tissue-specific properties (epithelial cell types, extracellular matrix composition, oxygenation levels, flow rates) while maintaining compatibility with the overall system architecture. This local customization allows each tissue to exhibit its native physiological characteristics, enhancing the system's adaptability for modeling specific tissue responses without requiring complete system redesign for each application.
Data Source
AI summary
A modular multi-tissue chip (MTC) microphysiological system (MPS) platform has integrated sensors and real-time data analysis software for immune engineering and CBRN studies that can be deployed by expert labs for rapid testing.