Buoyant Separation Container With Drainage for High-Throughput Isolation
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Solution Overview
Problem
Conventional particle isolation techniques in biological samples are inefficient, have low throughput, are labor-intensive, and prone to user-error or failure, limiting their usefulness and adoption.
Innovation Solution
A system and method for buoyant separation using a separation container with buoyant particles that bind to target materials, enabling high percentage capture, high throughput, and both positive and negative selection capabilities with minimal disruption of the buoyant particle layer, utilizing a separation container with a drainage mechanism to collect materials without disrupting the microbubble layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional particle isolation techniques are used, then separation can be performed, but the process is inefficient with low throughput and high labor intensity
Solution Approach 1:
The patent replaces manual mechanical operations with automated robotic systems. The robotic device automatically performs sample loading, reagent addition, mixing, incubation, and particle collection, eliminating the need for manual laboratory techniques such as manual washing, resuspension, and particle collection. This automation directly addresses the contradiction by dramatically increasing throughput while reducing labor intensity.
Solution Approach 2:
The patent utilizes magnetic field parameters to enable automated separation. By applying magnetic fields to magnetic particles, the system automatically captures target particles without manual intervention. This parameter-based control (magnetic field strength, duration, and positioning) allows the robotic system to perform separation operations efficiently, resolving the throughput and labor intensity contradiction.
2Reliability
If conventional separation methods are used, then particle isolation can be achieved, but the process is prone to user error or failure
Solution Approach 1:
The robotic device replaces manual operations with automated, programmable actions. Each step from sample loading to particle collection is executed with precise robotic control, eliminating variability and error associated with manual techniques. The system follows predetermined protocols with exact timing, volumes, and sequences, ensuring reproducible and reliable separation results.
Solution Approach 2:
The system incorporates sensors and control mechanisms that monitor and adjust parameters during operation. Magnetic particle capture, for example, uses magnetic field sensors to detect particle positions and adjust field strength accordingly. This feedback control ensures accurate separation while reducing user error, as the system self-corrects deviations from the intended protocol.
3Quantity of substance
If buoyant particles are used for separation, then high percentage capture of target particles is achieved, but the buoyant particle layer becomes disrupted during collection
Solution Approach 1:
The patent replaces mechanical disruption of the buoyant particle layer with magnetic field-based collection. Instead of manually reaching into the layer or using devices that physically disturb the particles, the robotic system uses magnetic fields to capture particles from a distance. This non-contact approach maintains layer stability while achieving high capture percentages.
Solution Approach 2:
The patent uses magnetic fields as an intermediary to capture buoyant particles without direct physical contact. The magnetic field acts as a mediator that transfers momentum to magnetic particles, allowing them to be collected while the buoyant layer remains undisturbed. This intermediary approach resolves the contradiction between high capture efficiency and layer stability.
4Productivity
If manual techniques are used for particle isolation, then the process can be performed, but it is time-consuming with low efficiency
Solution Approach 1:
The robotic system performs operations continuously without the interruptions inherent in manual techniques. Multiple samples can be processed in sequence without resetting between operations, and the robotic arm can rapidly move between reagents, samples, and collection vessels. This continuous operation dramatically reduces processing time while maintaining high efficiency, directly addressing the contradiction.
Solution Approach 2:
The system prepares and pre-positioning reagents, samples, and collection vessels before the separation process begins. Magnetic particles are pre-mixed with reagents in advance, and the robotic device is pre-programmed with the separation protocol. This preliminary preparation eliminates setup time during actual processing, increasing overall productivity while reducing total processing time.
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 efficient capture of a high percentage of target particles with minimal disruption, high throughput separation, and both positive and negative selection capabilities, improving the yield and reducing the collection of non-target materials.
Implementation Method 1
buoyant separation using a separation container with buoyant particles that bind to target materials
Implementation Method 2
utilizing a separation container with a drainage mechanism to collect materials without disrupting the microbubble layer
Data Source
AI summary
A system for buoyant separation includes a separation container. Additionally or alternatively, the system can include an automated instrument, one or more processing components, and/or any other components. A method for buoyant separation can include any or all of: manipulating the separation container; adding materials to the separation container; removing materials form the separation container; otherwise processing the separation container; and/or any other processes.