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Real-time Simutaneous Separation and Detection of Chemicals using Integrated Micro Column and Surface Plasmon Resonance Imaging Micro-GC

机译:使用集成的微柱和表面等离子体共振成像Micro-GC实时同时分离和检测化学物质

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摘要

An integrated and miniaturized Micro-Gas Chromatography with real-time imaging capability for simultaneous chemical separation and detection was developed. Surface Plasmon Resonance imaging (SPRi) was used as a sensitive and real-time imaging based detector for various gaseous chemical mixtures and good gas chromatographs were obtained. The system integrated a home-made miniaturized molecular sieve packed spiral micro-channel column with the SPRi imaging chip and real-time chemical separation and detection were demonstrated using alkanes. The chemical separation processes were simulated using COMSOL and matched well with experimental results. The system enabled the study of chemical separation processes in real-time by miniaturizing and integrating the Micro-GC separation and detection units. This approach can be expanded to multidimensional GC development.
机译:开发了一种集成化的微型气相色谱仪,具有实时成像功能,可同时进行化学分离和检测。表面等离子体共振成像(SPRi)用作各种气态化学混合物的灵敏且基于实时成像的检测器,并获得了良好的气相色谱仪。该系统将自制的微型分子筛填充螺旋微通道柱与SPRi成像芯片集成在一起,并使用烷烃进行了实时化学分离和检测。使用COMSOL模拟了化学分离过程,并与实验结果很好地吻合。该系统通过小型化和集成Micro-GC分离和检测单元,可以实时研究化学分离过程。这种方法可以扩展到多维GC开发。

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