Study Indicates That Exhaled Vapour Particles Evaporate in Seconds

A new peer-reviewed study, has shown that exhaled e-vapour product particles are actually liquid droplets that evaporate within seconds. In line with what previous air samples have suggested, this indicates, that vaping probably has a minimal impact on indoor air quality.

“No accumulation of particles was registered in the room following subjects’ vaping. This shows us how fundamentally different exhaled e-vapour particles are compared to those released when smoking conventional cigarettes, the latter of which linger in the air for longer periods of time,” said senior study author Dr Grant O’Connell, who is the Corporate Affairs Manager at Fontem Ventures.

The study titled “Characterisation of the Spatial and Temporal Dispersion Differences between Exhaled e-cigarette mist and Cigarette Smoke,” was published in the renowned journal Nicotine & Tobacco Research and carried out via a collaboration between Kaunas University of Technology in Lithuania, EMPA (Swiss Federal Laboratories for Materials Science and Technology), ETH Zurich (Swiss Federal Institute of Technology) and Fontem Ventures.

“This data adds to the growing body of evidence that vaping indoors is unlikely to pose an air quality issue.”Dr. Grant O’Connell, Senior Study Author

In order to measure particle concentrations in the air, study participants were asked to use e-cigarettes or smoke conventional cigarettes at different distances from a heated mannequin, representing a bystander, and under different room ventilation conditions. In the meantime, the researchers measured aerosol particle concentrations and size distributions at the mannequin’s position.

Read more at https://www.vapingpost.com

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