Semiconductor Refrigerator for Cell Membrane Culture
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Solution Overview
Problem
Current cell membrane preparation methods face challenges in accurately controlling temperature for cell membrane formation and separation, leading to inefficiencies and potential damage to the extracellular matrix.
Innovation Solution
A culture device incorporating a semiconductor refrigerator with insulating substrates, semiconductor thermocouples, and temperature-sensitive polymer layers to precisely control temperature for cell membrane formation and separation, using a semiconductor thermocouple system to adjust the temperature of culture vessels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional temperature control methods are used for cell membrane preparation, then the process is simple, but temperature control accuracy is insufficient leading to inefficient cell adhesion and potential damage
Solution Approach 1:
The patent applies parameter changes by utilizing temperature-sensitive polymers whose physical properties (hydrophobicity/hydrophilicity) change with temperature. By controlling temperature parameters, the system achieves precise control over cell adhesion and membrane separation processes, transforming thermal energy into mechanical work for cell manipulation without complex mechanical devices
Solution Approach 2:
The patent replaces traditional mechanical temperature control systems with a semiconductor refrigerator (Peltier device) that uses electrical current to directly generate heating or cooling effects. This substitution of mechanical control with electrical-thermal conversion enables more precise and rapid temperature adjustment, improving manufacturing precision while reducing mechanical complexity
2Productivity
If rapid temperature adjustments are made for cell membrane separation, then separation efficiency improves, but cell damage may increase
Solution Approach 1:
The patent applies dynamics by enabling real-time, dynamic temperature adjustment through the semiconductor refrigerator. The system can rapidly switch between heating and cooling modes, and between different temperature levels, allowing adaptive control that responds to the immediate needs of cell adhesion and separation processes, thereby improving productivity while minimizing cell damage through precise temporal control
Solution Approach 2:
The patent implements feedback control through temperature sensors that continuously monitor the culture vessel temperature and feed this information back to the control system. This closed-loop feedback mechanism ensures that temperature adjustments are made precisely when needed and to the exact degree required, optimizing separation efficiency while preventing excessive temperature changes that could damage cells
3Ease of manufacture
If enzyme treatments are used for cell membrane preparation, then cell adhesion is achieved, but the preparation process becomes harmful and less efficient
Solution Approach 1:
The patent converts the harmful effect of enzyme treatments into a beneficial physical process by using temperature-sensitive polymer transitions. Instead of using enzymes that can damage cells, the system uses controlled temperature changes to trigger hydrophobic-hydrophilic transitions in the polymer coating, achieving cell adhesion and membrane separation through purely physical means that are less harmful and more efficient
Solution Approach 2:
The patent replaces biochemical enzyme treatments with a physical temperature-control system. The semiconductor refrigerator provides precise thermal control that triggers conformational changes in temperature-sensitive polymers, substituting chemical-biological processes with physical-thermal processes that are more controllable, efficient, and less harmful to cells
4Stability of the object's composition
If ambient temperature fluctuations are present, then equipment portability is maintained, but temperature control stability deteriorates
Solution Approach 1:
The patent applies segmentation by dividing the thermal control system into distinct functional layers: a semiconductor refrigerator for active temperature control, insulating substrates for thermal isolation, and a culture vessel for cell cultivation. This segmented structure allows each component to perform its specific function optimally, maintaining temperature stability while keeping the overall device compact and portable
Solution Approach 2:
The patent introduces insulating substrates as intermediary elements between the semiconductor refrigerator and the external environment. These insulating layers act as thermal mediators that block heat transfer from ambient temperature fluctuations, protecting the culture vessel while maintaining a compact device structure that remains portable
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
This method allows for accurate and efficient formation and separation of cell membranes without enzymatic treatment, retaining the extracellular matrix, while minimizing the influence of ambient temperature and enabling rapid temperature adjustments.
Implementation Method 1
a semiconductor refrigerator, comprising: a first insulating substrate, a second insulating substrate, and at least one semiconductor thermocouple disposed between the first insulating substrate and the second insulating substrate
Implementation Method 2
a temperature-sensitive polymer layer is disposed on one surface of a bottom, away from the first insulating substrate, of at least one of the one or more culture vessels, wherein a surface energy of the temperature-sensitive polymer layer changes monotonously with changing temperature
Data Source
AI summary
The present disclosure provides a culture device and a preparation method for a cell membrane, and relates to the field of cell culture technology. The culture device for a cell membrane includes a semiconductor refrigerator, and one or more culture vessels configured to culture a cell membrane. The semiconductor refrigerator includes a first insulating substrate, a second insulating substrate, and at least one semiconductor thermocouple disposed between the first insulating substrate and the second insulating substrate. The one or more culture vessels are disposed on a side of the first insulating substrate away from the second insulating substrate.