Cell Activation Reactor Baffle Impeller Separation
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Solution Overview
Problem
Manual cell separation in cell culture processes is prone to errors, leads to cell cross-contamination, increased labor costs, and limited scalability, hindering the efficiency and reproducibility of cell culture research, especially in immunotherapy applications.
Innovation Solution
A cell activation reactor with a rotating part, baffles, and a microporous film that automates the separation of cells from magnetic beads, reducing manual intervention and maintaining an oxygen-rich environment for improved cell culture conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual operation with micropipette is used for cell separation, then flexibility in operation is maintained, but cell cross-contamination increases and operation time extends
Solution Approach 1:
The patent replaces manual micropipette operation with an automated magnetic separation system that uses magnetic fields to separate cells from magnetic beads. The magnetic separation device automatically captures cells bound to magnetic beads and releases them through controlled magnetic field application, eliminating manual pipetting operations and reducing both contamination risk and operation time.
Solution Approach 2:
The patent introduces magnetic beads as an intermediary carrier to facilitate cell separation. The magnetic beads bind to cells through specific interactions, allowing the separation process to be controlled by magnetic fields rather than manual manipulation. This intermediary system enables automated, precise separation while reducing direct contact between cells and operators.
2Device complexity
If manual cell separation is performed, then equipment complexity is reduced, but labor costs increase and reproducibility decreases
Solution Approach 1:
The automated magnetic separation system replaces manual mechanical pipetting with programmable magnetic field control. The system uses controlled magnetic field application and timing to achieve consistent, reproducible separation results. The automation eliminates operator variability, ensuring that the same separation protocol produces identical results across different experiments and operators.
Solution Approach 2:
The patent controls separation parameters such as magnetic field strength, application duration, and timing through programmable parameters. By standardizing these parameters, the system achieves high reproducibility. The magnetic separation process can be precisely controlled by adjusting field intensity and exposure time, ensuring consistent results across multiple experiments.
3Quantity of substance
If extended cell culture time is used, then cell proliferation is improved, but contamination risk and labor costs increase
Solution Approach 1:
The automated magnetic separation system enables rapid cell isolation and purification, reducing the time cells are exposed to potential contaminants during the separation process. The quick, controlled separation minimizes the window for contamination while maintaining high cell recovery and purity, allowing cultures to proceed with higher confidence in their sterility.
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
The reactor enhances the reproducibility and quality of cell culture by automating the separation process, reducing labor costs, and shortening the cell culture time, while maintaining an oxygen-rich environment for optimal cell activation.
Implementation Method 1
the microporous film at the closed end of the accommodating space of the body has multiple holes, and gas exchanges autonomously inside and outside the accommodating space through the holes
Implementation Method 2
When the rotating part is driven to rotate, an interaction of the baffles and the impellers of the rotating part causes the cells to be separated from the magnetic beads
Data Source
AI summary
A cell activation reactor and a cell activation method are provided. The cell activation reactor includes a body, a rotating part, an upper cover, a microporous film, and multiple baffles. The body has an accommodating space, which is suitable for accommodating multiple cells and multiple magnetic beads. The rotating part is disposed in the accommodating space and includes multiple impellers. The microporous film is disposed in the accommodating space and covers multiple holes of the accommodating space. The baffles are disposed in the body. When the rotating part is driven to rotate, the interaction between the baffles and the impellers separates the cells and the magnetic beads.