Automated Magnetic Bead Purification Device
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for compound purification, such as magnetic bead separation, are not efficient, rapid, or scalable, and lack automation and continuous processing capabilities.
Innovation Solution
An automated device and system for compound purification using magnetic particles, which includes a sample plate with sample holders, a magnet unit at each holder, and robotic arms for dispensing and removing components, allowing for automated, continuous, and scalable processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If magnetic bead separation is used for compound purification, then the purification can be performed at lab scale, but the method is not efficient, rapid, or scalable
Solution Approach 1:
The device divides the purification process into discrete modular steps (mixing, separation, washing, elution) that can be performed in sequence across multiple sample holders. Each sample holder acts as an independent module with its own magnet unit, enabling parallel processing and scaling without increasing overall system complexity.
Solution Approach 2:
The system dynamically transitions between different operational states (mixing vs. separation) by controlling magnet activation. During mixing phases, magnets are deactivated to allow bead movement; during separation phases, magnets are activated to immobilize beads. This dynamic control enables rapid process cycling and improves purification efficiency.
2Extent of automation
If manual magnetic bead separation is used, then the process can be performed with simple equipment, but it lacks automation and continuous processing capabilities
Solution Approach 1:
The device enables continuous processing by implementing a cyclic workflow where multiple sample holders are at different stages of the purification process simultaneously. While one holder undergoes elution, another is being washed, and a third is in mixing phase. This continuous operation eliminates idle time between steps and enables high-throughput processing.
Solution Approach 2:
Magnetic particles are pre-bound to the compound of interest in the sample containers before the purification process begins. This preliminary binding step ensures that when the automated process starts, separation can occur immediately upon magnet activation, eliminating the need for manual bead addition and initial mixing steps during automation.
3Speed
If traditional purification methods are used, then the equipment footprint is larger, but the processing speed is slower
Solution Approach 1:
The device merges multiple purification functions (mixing, magnetic separation, washing, elution) into a single integrated platform. Multiple sample holders are arranged in a compact configuration on a single plate, with magnet units positioned to serve multiple holders simultaneously. This consolidation achieves rapid processing while minimizing the equipment footprint compared to traditional separate-piece equipment.
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 system enables rapid, efficient, and automated compound purification with high yield, facilitating continuous production of small or medium batches of compounds like nucleic acids, while reducing time and footprint compared to traditional methods.
Implementation Method 1
By applying a magnetic field, the magnetic particles with the bound compound of interest are drawn to the magnet
Data Source
AI summary
The current disclosure relates to a device for separating and/or purifying a compound of interest comprisinga sample plate, said sample plate comprising a base portion and one or more sample holders provided on said base portion for receiving a sample container, said sample container is suitable to hold a sample comprising a liquid holding said compound of interest and magnetic particles;a magnet unit positioned at each sample holder, said magnet unit is configured to capture or to introduce a movement of the magnetic particles;wherein the sample holders are configured to perform a mechanical motion, such that the magnetic particles are mixed with the liquid. Methods for separating and/or purifying a compound of interest are equally disclosed.