TLC Extraction Device with Sharp-Edge Sampler and Detachable Filter
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Solution Overview
Problem
Existing TLC extraction methods are complex, time-consuming, and prone to adsorbent breakage, leading to pipeline clogging and frequent filter replacements, complicating the separation and detection of organic compounds.
Innovation Solution
A TLC extraction device with a sampler having a solvent inlet and outlet with a sharp edge for cutting a fixed adsorbent size, combined with a detachable filter and solvent injector, allowing efficient extraction and filtration of analytes for direct injection into detection devices, reducing the risk of clogging and cross-contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If continuous extraction method is used with sealing assembly, then real-time extraction and detection are achieved, but the structure becomes complicated and extraction time per spot increases
Solution Approach 1:
The device segments the extraction process into discrete steps (cutting, extraction, filtration, detection) rather than continuous operation. The sampler cuts a specific area, then extraction occurs in a controlled manner, followed by filtration and detection. This segmentation simplifies the overall system structure while maintaining real-time analysis capability.
Solution Approach 2:
The invention extracts only the necessary components for the extraction process, eliminating the complex sealing assembly and continuous flow system. By using a simple sampler to cut and extract analytes from a specific TLC plate area, the system achieves real-time extraction without the structural complexity of continuous extraction methods.
2Productivity
If continuous extraction method is used, then real-time detection is achieved, but adsorbent breakage occurs causing pipeline clogging and frequent filter replacement
Solution Approach 1:
The device performs preliminary filtration by incorporating a filter between the extraction chamber and the detection device. This preliminary action removes adsorbent particles before they can clog the pipeline or mass spectrometer, enabling fast extraction without compromising system reliability.
Solution Approach 2:
The filter acts as an intermediary component between the extraction chamber and the detection device. It mediates the flow of extracted solvent by trapping adsorbent particles, thus protecting the downstream pipeline and mass spectrometer from clogging while maintaining the speed advantage of the extraction method.
3Ease of operation
If manual scraping method is used, then simple operation is achieved, but the process becomes complicated with multiple steps
Solution Approach 1:
The invention merges multiple manual operations (cutting, extraction, filtration) into a single integrated device. The sampler performs cutting and extraction in one action, while the built-in filter handles filtration automatically. This combination maintains operational simplicity while reducing the number of discrete process steps compared to traditional manual methods.
4Productivity
If fixed filter material is used, then extraction efficiency is improved, but cross-contamination occurs requiring frequent replacement
Solution Approach 1:
The filter is designed as a disposable component that can be easily replaced between samples. This approach eliminates cross-contamination risks by ensuring each sample uses a fresh filter, while the low cost and simple replacement mechanism maintain high productivity. The filter is discarded after single use rather than cleaned and reused.
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 device simplifies the extraction process, enhances efficiency, and reduces the risk of pipeline clogging, enabling convenient sampling and detection of specific areas on TLC plates with improved operational flexibility and reduced contamination risks.
Implementation Method 1
the solvent outlet having a sharp edge for cutting down a fixed size of adsorbent from TLC plate
Implementation Method 2
The solvent extracts the analyte in the adsorbent in the through cavity of the sampler in a manner of penetrating through the adsorbent
Implementation Method 3
The extracted solvent carrying the analyte flows out from the solvent outlet of the sampler, filters out the large-particle impurities
Data Source
AI summary
The present disclosure provides a TLC extraction device that uses a simpler device structure and can quickly collect, prepare and analyze samples. An aspect of the present disclosure provides a TLC extraction device including: a sampler having a solvent inlet and a solvent outlet, the solvent outlet having a sharp edge for cutting down a fixed size of adsorbent from an adsorbent layer of TLC plate, the adsorbent being kept between the solvent inlet and the solvent outlet; a solvent injector in communication with the solvent inlet; and a filter that is detachably installed to the solvent outlet.