Detection and identification: Instrumentation and calibration for air/liquid/surface-borne nanoscale particles

Tsz Yan Ling, Zhili Zuo, David Y.H. Pui

Research output: Contribution to journalConference articlepeer-review


Nanoscale particles can be found in the air-borne, liquid-borne and surface-borne dispersed phases. Measurement techniques for nanoscale particles in all three dispersed phases are needed for the environmental, health and safety studies of nanomaterials. We present our studies on connecting the nanoparticle measurements in different phases to enhance the characterization capability. Microscopy analysis for particle morphology can be performed by depositing air-borne or liquid-borne nanoparticles on surfaces. Detection limit and measurement resolution of the liquid-borne nanoparticles can be enhanced by aerosolizing them and taking advantage of the well-developed air-borne particle analyzers. Sampling electrically classified air-borne virus particles with a gelatin filter provides higher collection efficiency than a liquid impinger.

Original languageEnglish (US)
Article number012006
JournalJournal of Physics: Conference Series
Issue number1
StatePublished - 2013
Event3rd International Conference on Safe Production and Use of Nanomaterials, Nanosafe 2012 - Grenoble, France
Duration: Nov 13 2012Nov 15 2012

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