Alisha Eversole1, Melanie Crabtree1, Tory R Spindle1, Mohamad Baassiri1, Thomas Eissenberg1, Alison Breland1. 1. Alisha Eversole, Graduate Student, Virginia Commonwealth University, Center for the Study of Tobacco Products, Richmond VA. Melanie Crabtree, Research Assistant, Virginia Commonwealth University, Center for the Study of Tobacco Products, Richmond VA. Tory R. Spindle, Instructor, Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, Baltimore, MD. Mohamad Baassiri, Research Engineer, Maroun Semaan Faculty of Engineering and Architecture, American University of Beirut, Beirut, Lebanon. Thomas Eissenberg, Professor, Virginia Commonwealth University, Center for the Study of Tobacco Products, Richmond VA. Alison Breland, Professor, Virginia Commonwealth University, Center for the Study of Tobacco Products, Richmond VA.
Abstract
OBJECTIVES: Electronic cigarette (ECIG)-generated aerosol contains particulate matter with a diameter less than 2.5 microns (PM2.5). Particles of this size may be injurious to the health of those who inhale them. Few studies have assessed the relationship between ECIG aerosol PM2.5 and ECIG liquid ingredients or ECIG device power. METHODS: Two studies were conducted in which participants generated aerosols with ECIGs: in one, ECIG liquids contained various vegetable glycerin/propylene glycol ratios and in the other, ECIG devices varied by electrical power output. RESULTS: Results indicate that, in general, PM2.5 increases as the ratio of vegetable glycerin to propylene glycol increases, or as device power increases. CONCLUSIONS: Regulating ECIG PM2.5 emissions to protect non-users requires an understanding of all the factors that influence these emissions.
OBJECTIVES: Electronic cigarette (ECIG)-generated aerosol contains particulate matter with a diameter less than 2.5 microns (PM2.5). Particles of this size may be injurious to the health of those who inhale them. Few studies have assessed the relationship between ECIG aerosol PM2.5 and ECIG liquid ingredients or ECIG device power. METHODS: Two studies were conducted in which participants generated aerosols with ECIGs: in one, ECIG liquids contained various vegetable glycerin/propylene glycol ratios and in the other, ECIG devices varied by electrical power output. RESULTS: Results indicate that, in general, PM2.5 increases as the ratio of vegetable glycerin to propylene glycol increases, or as device power increases. CONCLUSIONS: Regulating ECIG PM2.5 emissions to protect non-users requires an understanding of all the factors that influence these emissions.
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