Selective Molecule Capture After Fractionization for Rapid Detection
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Solution Overview
Problem
Existing fractionization-based mass spectrometer systems introduce significant noise and require gas chromatography (GC) separation, leading to delays and increased complexity, which hampers efficient and accurate molecular analysis.
Innovation Solution
A system utilizing a fractionization device that controls the fractionization process and includes sampling chambers with molecule collectors tuned to capture specific molecules, followed by a direct analysis with mass or terahertz spectrometers, eliminating the need for GC separation and enabling rapid, selective capture and identification of molecules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If gas chromatography (GC) separation is used to reduce noise from fractionization output, then measurement precision is improved, but loss of time increases significantly (15-30 minutes or more delay)
Solution Approach 1:
The patent extracts and removes the GC separation step from the analytical system, replacing it with direct injection of fractionization output into the mass spectrometer. This elimination of the intermediate separation step dramatically reduces analysis time while maintaining acceptable noise levels through alternative approaches.
Solution Approach 2:
The patent introduces an intermediary component - a specialized inlet system with specific flow dynamics and potentially a cooling section - that mediates between the fractionization output and mass spectrometer. This intermediary manages the noise without requiring full GC separation, achieving a balance between speed and precision.
2Measurement precision
If gas chromatography (GC) separation is used to reduce noise, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent removes the complex GC separation apparatus from the system, retaining only the essential fractionization and mass spectrometry components. This simplification eliminates the need for GC columns, ovens, and complex temperature programming systems while achieving acceptable noise levels through the specialized inlet design.
Solution Approach 2:
The patent replaces the mechanical GC separation system with a more streamlined approach using controlled flow dynamics and thermal management in the inlet region. This substitution reduces mechanical complexity while maintaining the noise reduction function through alternative physical principles.
3Productivity
If fractionization output is fed directly into mass spectrometer, then loss of time is reduced, but measurement precision deteriorates due to significant noise
Solution Approach 1:
The patent introduces a specialized inlet system as an intermediary between fractionization and mass spectrometry. This inlet includes features such as controlled flow paths, potential cooling sections, and specific geometries that allow rapid transmission of analytes while filtering out a portion of the noise, achieving both speed and acceptable precision.
Solution Approach 2:
The patent modifies operational parameters of the inlet system - such as temperature, flow rate, and pressure - to optimize the balance between rapid analyte transmission and noise reduction. By dynamically adjusting these parameters, the system achieves fast analysis while maintaining sufficient signal-to-noise ratio.
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 rapid analysis within seconds, reduces noise, and enhances accuracy by controlling fractionization processes and using selective molecule capture, allowing for precise identification of substances like anthrax, ricin, viruses, and other molecules.
Implementation Method 1
The fractionization device may be configured to use pyrolysis, plasma, corona discharge, laser ablation, or another technique to fractionate the sample
Implementation Method 2
The fractionization device may be configured to use pyrolysis, plasma, corona discharge, laser ablation, or another technique to fractionate the sample
Implementation Method 3
The fractionization device may be configured to use pyrolysis, plasma, corona discharge, laser ablation, or another technique to fractionate the sample
Implementation Method 4
The fractionization device may be configured to use pyrolysis, plasma, corona discharge, laser ablation, or another technique to fractionate the sample
Implementation Method 5
The sampling chamber may include a heating element configured to introduce or induce heat within the sampling chamber. The heat may be configured to cause resorption or release of at least a portion of the molecules captured or adhered to the molecule collector
Data Source
AI summary
An exemplary analysis system may include a fractionization device configured to separate a sample into various molecules that may be introduced to a sampling chamber having a molecule collector disposed therein. The molecule detector may be configured such that molecules of interest produced during fractionization adhere to the molecule collector. A heating element may introduce heat within the sampling chamber, causing release of at least a portion of the molecules adhered to the molecule collector. An analysis device (e.g., a mass spectrometer, a terahertz (THz) spectrometer, etc.) may detect the presence of the one or more molecules of interest from among molecules produced during the fractionization and generate an output representative of the identified molecule(s) of interest. The output may include information that quantitates a concentration of the molecule(s) of interest within sample.