Jonathan Thornburg

Jonathan Thornburg

Jonathan Thornburg received his PhD in aerosol physics and engineering from the University of North Carolina at Chapel Hill. He is Director of Exposure and Aerosol Technology at RTI International. His research interests over several decades involve four key areas of expertise: (1) development of aerosol exposure instrumentation, (2) aerosol exposure modelling, (3) understanding the physical and chemical properties of aerosols and (4) understanding aerosol fate and transport in outdoor and indoor environments. These cornerstones are applied in laboratory and field studies to effectively research the entire exposure-dose-response paradigm. He recently led a study of e-cigarette emissions characteristics and the potential for second-hand exposure. The study found that emissions are a mixture of nanometer-size particles and vapors composed of the carrier liquid, nicotine, flavorings, and artificial colors. Respiratory deposition modelling predicted that more than half of the emissions are exhaled into the ambient air by the user, so the potential for second-hand exposure is high.

Affiliations and Expertise

RTI International, Research Triangle Park, North Carolina, USA

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Jonathan Thornburg

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