Conformational Sampling Manifold for Mass Spectrometry
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Solution Overview
Problem
Current methods for real-time atmospheric and environmental sampling struggle to efficiently analyze analytes in a wide range of oxygen environments, from oxygen-rich to oxygen-deficient, with limited ability to dynamically adapt to varying flow rates and pressures, resulting in suboptimal detection limits and peak intensities.
Innovation Solution
A fully conformational real-time sampling and characterization apparatus and method that utilizes a manifold with adjustable throughput and inlet valving, coupled with pumping means, to introduce samples into a mass-selective detector at optimal vacuum or pressure, allowing for dynamic adjustment to the sampling environment and achieving low detection limits and maximum peak intensities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional sampling methods are used, then the system structure is simple, but the detection limit is poor and peak intensity is low
Solution Approach 1:
The sampling system is divided into multiple independent functional modules including sampling pump, fractioning valves, inlet valves, and detector. Each module can be independently controlled and optimized, allowing complex sampling strategies to be implemented through coordinated operation of simpler components, thereby improving detection limits without overwhelming system complexity
Solution Approach 2:
The system employs dynamic valve control that automatically adjusts sampling parameters based on real-time conditions. The fractioning means and inlet valves are controlled to dynamically adapt flow rates and sampling intervals, enabling the system to optimize peak intensity and detection limits for varying analyte concentrations and environmental conditions
2Adaptability or versatility
If fixed flow rate sampling is used, then the system operation is simple, but the adaptability to different oxygen environments is poor
Solution Approach 1:
The system automatically adjusts critical parameters including flow rate, sampling interval, and valve timing based on detected oxygen concentration and environmental conditions. This dynamic parameter adaptation enables the manifold to effectively sample across varying oxygen environments from aerobic to anaerobic conditions without manual reconfiguration
Solution Approach 2:
The system incorporates feedback control where detector signals are used to adjust subsequent sampling parameters. The inlet valve and fractioning means respond to real-time analytical data, optimizing the sampling strategy for each specific environmental condition encountered, thereby enhancing adaptability while maintaining automated operation
3Speed
If real-time monitoring is implemented, then the response time is fast, but the coordination complexity of valves and pumping increases
Solution Approach 1:
The fractioning valves and inlet valves are pre-programmed with coordinated operation sequences that prepare the sampling system in advance for expected analyte arrivals. This preliminary coordination of valve timing and pump operation enables rapid response to environmental changes while maintaining systematic control through pre-established protocols
Solution Approach 2:
The valve system is designed with multi-functional capabilities where the same fractioning and inlet valves perform multiple roles including sample introduction, flow modulation, and pressure regulation. This universal design reduces the number of specialized components needed for real-time monitoring, thereby decreasing overall coordination complexity while maintaining fast response capabilities
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 real-time monitoring and analysis of analytes with nearly instantaneous response times, achieving low detection limits as low as single parts-per-billion (ppb) and maximizing peak intensities by dynamically conforming to the sampling environment's flow rates and pressures.
Implementation Method 1
a pumping means operably coupled to the inlet valving means and the throughput valving means
Implementation Method 2
an inlet valving means for introducing an atmospheric, or other gas sample containing an analyte(s) of interest into a mass-selective detector, component, or instrument
Data Source
AI summary
The present invention relates generally to a method and apparatus for real-time environmental gas sampling. A manifold is disclosed allowing for real-time gas sampling and monitoring/analysis of atomospheric over a wide range of oxygen contents, e.g., oxygen-rich as well as oxygen-deficient sampling environments in conjunction with mass-sepectrometric analysis achieving detection limits as low as single part per-billion.