Scientific Paper
Resonator-Based Air Microfluidic Sensing Systems for Monitoring Airborne Particulate Matter
Summary
Particles bounce off the smooth surfaces of QCM sensors for airborne particulate matter, lowering the amount collected by inertial impaction. Adding 3D-printed micropillars, analysed with fibrous-filter theory, raised collection efficiency by up to about half depending on spacing and shape, and pillars on a QCM gave a real-time mass response roughly 2.5 times that of a bare crystal.
Summary written by the openQCM team. The original abstract is on the publisher’s page.
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