Acoustic Levitation-Controlled Droplets for Contactless Enrichment and Sensitive Detection of Volatile Organic Substances Integrated with GC-MS
Shanshan Ma,
Yake Luo,
Bo Sui
et al.
Abstract:Analyzing
trace-level volatile organic compounds (VOCs)
remains
challenging due to initial sampling and preconcentration limitations.
Inspired by the highly reproducible and constantly renewable electrode
surface of dropping mercury electrode (DME), a contactless enrichment
process was first reported by using an acoustic levitation device
to trap and concentrate VOCs from gas samples onto suspended droplets,
which were then directly transferred into gas chromatography–mass
spectrometry (GC-MS) for real-time an… Show more
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