Cubic Magnet Assemblies for Consistent Magnetic Substance Separation
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Solution Overview
Problem
Conventional magnetic substance separation devices face challenges in balancing efficiency, convenience, automation, biosafety, and biocompatibility, and struggle to optimize magnetic interactions due to varying magnetic forces from different manufacturers and diverse experimental containers.
Innovation Solution
A magnetic substance separation device with a casing and magnetic component assemblies featuring cubic components arranged with different magnetization directions, forming strong magnetic surfaces to enhance magnetic interactions, and adaptable to various container shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional magnetic separation devices use standard magnetic components, then the device structure is simple, but the magnetic force varies significantly and separation efficiency is reduced
Solution Approach 1:
The magnetic component assembly is divided into multiple cubic magnetic components (at least four) arranged in a specific linear pattern, allowing each component to contribute to the overall magnetic field in a controlled manner, thereby achieving consistent and strong magnetic force
Solution Approach 2:
The magnetic components are arranged with specific magnetization directions creating a concentrated magnetic field in the region where magnetic substances need to be separated, optimizing the magnetic interaction strength and consistency at the separation interface
2Force
If the magnetic component assembly uses at least four cubic magnetic components arranged linearly with different magnetization directions, then the magnetic force per unit area is strengthened, but the device complexity increases
Solution Approach 1:
Multiple cubic magnetic components are combined into a single magnetic component assembly that functions as one integrated unit, creating a concentrated and strong magnetic field through the synergistic effect of individually arranged magnets
Solution Approach 2:
The magnetic components are arranged in a linear configuration with different magnetization directions (spatial orientation), transforming the magnetic field from a simple single-direction field to a concentrated multi-dimensional field that enhances force per unit area
3Adaptability or versatility
If conventional devices use fixed container configurations, then the device structure is simple, but adaptability to different container shapes is limited
Solution Approach 1:
The magnetic separation device is designed with a universal structure that can accommodate various container shapes and sizes, allowing the same device to perform magnetic separation effectively across different experimental setups without requiring custom modifications
4Productivity
If conventional magnetic separation devices are used, then the device structure is simple, but separation efficiency and biosafety are compromised
Solution Approach 1:
The device incorporates features that enable automated sample loading, magnetic component assembly, and separation processes, reducing manual intervention and improving separation efficiency while maintaining biosafety through self-contained design elements
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 device achieves stronger magnetic force per unit area, improving separation efficiency while meeting requirements for convenience, automation, biosafety, and biocompatibility, with residual magnetic bead numbers reduced to less than 15 and cell viability maintained above 94.1%.
Implementation Method 1
the at least four cubic magnetic components are linearly arranged with different magnetization directions, allowing magnetic field lines of the at least one magnetic component assembly to concentrate on one side
Implementation Method 2
the at least one strong magnetic surface is configured to attract the magnetic substances in the sample within the sample container
Data Source
AI summary
A magnetic substance separation device is configured for attracting magnetic substances in a sample within a sample container. The magnetic substance separation device includes a casing and at least one magnetic component assembly. The casing has at least one accommodation compartment. The at least one magnetic component assembly is disposed in the at least one accommodation compartment, and the at least one magnetic component assembly includes at least four cubic magnetic components. In addition, the at least four cubic magnetic components are linearly arranged with different magnetization directions, allowing magnetic field lines of the at least one magnetic component assembly to concentrate on one side, such that the at least one magnetic component assembly forms at least one strong magnetic surface on the casing. The at least one strong magnetic surface is configured to attract the magnetic substances in the sample within the sample container.