A MEMS-enabled portable gas chromatography injection system for trace analysis
Analytica Chimica Acta(2023)
摘要
Growing concerns about environmental conditions, public health, and disease diagnostics have led to the rapid development of portable sampling techniques to characterize trace-level volatile organic compounds (VOCs) from various sources. A MEMS-based micropreconcentrator (μPC) is one such approach that drastically reduces the size, weight, and power constraints offering greater sampling flexibility in many applications. However, the adoption of μPCs on a commercial scale is hindered by a lack of thermal desorption units (TDUs) that easily integrate μPCs with gas chromatography (GC) systems equipped with a flame ionization detector (FID) or a mass spectrometer (MS).
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关键词
Gas chromatography,Trace analysis,Volatile organic compounds,Portable thermal desorption unit,Micropreconcentrator,Fluidic connections
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