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Journal Article

Crowd-based breath analysis: assessing behavior, activity, exposures, and emotional response of people in groups

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Williams,  J.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

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Citation

Williams, J., & Pleil, J. (2016). Crowd-based breath analysis: assessing behavior, activity, exposures, and emotional response of people in groups. Journal of breath research: volatiles for medical diagnosis, 10(3): 032001. doi:10.1088/1752-7155/10/3/032001.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002C-E751-D
Abstract
A new concept for exhaled breath analysis has emerged wherein groups, or even crowds of people are simultaneously sampled in enclosed environments to detect overall trends in their activities and recent exposures. The basic idea is to correlate the temporal profile of known breath markers such as carbon dioxide, isoprene, or acetone with all other volatile organics in the air space. Those that trend similarly in time are designated as breath constituents. The ultimate goal of this work is to develop technology for assessing group based behaviors, chemical exposures or even changes in stress or mood. Applications are myriad ranging from chemical dose/toxicity screening to health and stress status for national security diagnostics. The basic technology employs real-time mass spectrometry capable of simultaneously measuring volatile chemicals and endogenous breath markers.