Multiplexed Bead Elution Chambers for Continuous MS Analysis
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Solution Overview
Problem
Current devices and systems for eluting analytes from beads are not suitable for high-throughput analysis and are not directly connected to mass spectrometry, limiting the efficiency and throughput of biomolecular analysis.
Innovation Solution
A bioanalytical instrument that enables automated, continuous elution of analytes from multiplexed bead sets using a system with reusable chambers, bead handlers, and fluidic connections to mass spectrometers, allowing for parallel processing and analysis of multiple bead sets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional bead-based assays are used, then sensitivity and specificity are improved, but throughput is limited
Solution Approach 1:
The system divides the bead processing into discrete, automatable steps (loading, washing, elution) using separate chambers that can be processed in parallel. Each chamber handles a specific operation, enabling high-throughput processing while maintaining the sensitivity of individual bead-based assays through automated precision control.
Solution Approach 2:
The system implements continuous processing where multiple chambers perform different operations simultaneously on different bead sets. The automated liquid handling and chamber rotation enable uninterrupted workflow, maintaining high throughput while preserving assay sensitivity through consistent, repeatable processing conditions.
2Device complexity
If manual elution methods are used, then device complexity is reduced, but productivity is limited
Solution Approach 1:
The system uses automated liquid handling where the instrument itself performs elution without manual intervention. The automated pumps and chamber rotation mechanisms enable the system to service itself, dramatically increasing throughput while the modular chamber design keeps the overall complexity manageable through standardized components.
Solution Approach 2:
The system replaces manual mechanical operations with automated fluidic control and robotic handling. Electrical and fluidic systems substitute for manual pipetting and chamber handling, enabling high-throughput processing while keeping the mechanical design relatively simple through the use of standardized, easily manufactured chamber components.
3Measurement precision
If bead-based assays are used, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The system uses universal, multi-functional chambers that can perform loading, washing, and elution operations sequentially. This multi-functionality reduces the number of different component types needed, managing device complexity while maintaining the precision required for specific bead-based measurements through standardized processing interfaces.
Solution Approach 2:
The system controls precision by systematically changing process parameters (fluid flow rates, chamber rotation speeds, temperature) rather than using complex mechanical structures. This parameter-based control achieves measurement precision while keeping the physical device design relatively simple and easier to manufacture.
4Productivity
If parallel processing of multiple bead sets is implemented, then productivity is improved, but device complexity increases
Solution Approach 1:
The system uses nested or modular chamber configurations where multiple processing units are organized in a compact, hierarchical structure. This nesting approach enables parallel processing of multiple bead sets while containing the overall device complexity through standardized modular units that can be replicated and assembled systematically.
Data Source
AI summary
Disclosed herein are devices, systems, and methods for efficiently eluting analytes (e.g., from one or more beads), allowing rapid and continuous analysis. Specifically disclosed is an apparatus with bead handling functions (e.g., bead handling devices such as bead picking units and/or vacuum pumps), one or more chambers and associated inlets, outlets, and/or fittings, pump units, devices (e.g., a rotating wheel) to move the one or more chambers to enable sample and/or analyte transfer and/or handling, one or more waste collection units, and one or more connections and/or connectors to analysis apparatuses and/or systems (e.g., mass spectrometers). A method disclosed herein employs repeatable cycles for: picking bead sets, relocating beads into chambers, inducing analyte migration into one or more elution solvents, and removing eluted beads to waste units. Each cycle can be repeated for various bead sets simultaneously, with solvent pumping and fluid flow aiding in analyte migration and bead removal.