Multi-Beam Mass Spectrometry for Faster, Higher-Range Proteomics
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Solution Overview
Problem
Conventional mass spectrometry systems face limitations in sensitivity, scan speed, and dynamic range, particularly in untargeted bottom-up proteomics workflows, which hinder their ability to provide comprehensive protein analysis and quantification.
Innovation Solution
A multi-beam mass spectrometry system is introduced, comprising multiple ion trapping devices or mass spectrometers that operate independently or in communication, each receiving ions from a shared ion source, allowing for simultaneous or delayed data acquisition and analysis, enhancing sensitivity, scan speed, and dynamic range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional mass spectrometry systems are used, then the system structure is simple, but the sensitivity, scan speed, and dynamic range are insufficient for comprehensive proteomics analysis
Solution Approach 1:
The patent divides the ion beam into multiple independent beams, with each beam directed to a separate mass spectrometer. This segmentation allows each instrument to independently analyze a portion of the total ion population, thereby increasing overall sensitivity and scan speed without requiring a single overly complex instrument. The system comprises multiple ion sources, ion guides, and mass spectrometers operating in parallel.
Solution Approach 2:
The patent combines multiple mass spectrometers into a unified system that shares common components such as the ion source and ion guides, while maintaining independent detection pathways. This merging approach achieves enhanced performance metrics (sensitivity, scan speed, dynamic range) by aggregating the capabilities of multiple instruments while avoiding the full complexity of completely separate systems.
2Speed
If conventional mass spectrometry systems are used, then the device complexity is low, but the scan speed is insufficient for comprehensive protein coverage
Solution Approach 1:
By segmenting the ion beam into multiple parallel beams and directing them to separate mass spectrometers, the system enables simultaneous analysis of multiple ion populations. This parallel processing architecture fundamentally increases scan speed, as multiple spectra are acquired concurrently rather than sequentially, allowing comprehensive protein coverage at unprecedented speeds.
Solution Approach 2:
The patent introduces a temporal dimension to the analysis by operating multiple mass spectrometers in parallel, effectively adding a fourth dimension (time) to the traditional mass-to-charge ratio analysis. This dimensional expansion allows the system to capture dynamic proteomic information at multiple time points simultaneously, dramatically enhancing scan speed and temporal resolution.
3Measurement precision
If conventional mass spectrometry systems are used, then the system is easy to operate, but the dynamic range is insufficient for accurate protein quantitation
Solution Approach 1:
The patent segments the total ion population into multiple beams, with each beam analyzed by a dedicated mass spectrometer. This segmentation allows each instrument to operate within its optimal dynamic range, capturing both low-abundance and high-abundance proteins effectively. The combined data from multiple instruments provides an extended dynamic range that accurately quantifies proteins across several orders of magnitude in concentration.
Solution Approach 2:
The system achieves multi-functionality by combining multiple mass spectrometers that can simultaneously analyze different mass-to-charge ranges, ion types, or experimental conditions. This universal approach allows the system to handle diverse proteomic samples with varying dynamic ranges, maintaining measurement precision across a broad spectrum of protein abundances.
4Productivity
If multiple mass spectrometers are used in parallel, then sensitivity, scan speed, and dynamic range are improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple mass spectrometers into an integrated system that shares common infrastructure components such as the ion source, ion guides, and vacuum systems. This merging strategy achieves enhanced analytical performance by combining the capabilities of multiple instruments while minimizing the increase in overall system complexity through shared resources and coordinated operation.
Solution Approach 2:
The system uses identical or similar mass spectrometer configurations in parallel, creating replicated analytical units. This copying approach simplifies the overall system architecture by using standardized, proven components rather than designing entirely new complex instruments, thereby improving analytical performance through parallel operation while keeping individual unit complexity manageable.
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 achieves scalable sensitivity, scan speed, and dynamic range, enabling more comprehensive protein coverage and accurate quantitation, overcoming the limitations of conventional mass spectrometry in proteomics and metabolomics studies.
Implementation Method 1
an ion source that produces ions
Implementation Method 2
two or more ion trapping devices or mass spectrometers, each having an independent sampling inlet, the two or more ion trapping devices or mass spectrometers receiving the ions from the ion source
Data Source
AI summary
Methods and systems for multi-beam, parallel-beam, deterministic, or super mass spectrometry that include an ion source that produces ions, and two or more ion trapping devices or mass spectrometers, each having an independent sampling inlet. The two or more ion trapping devices or mass spectrometers receive the ions from the ion source via the sampling inlet of each of the ion trapping devices or mass spectrometers such that each sampling inlet provides an ion beam to each corresponding ion trapping device or mass spectrometer.