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Investigations Of Electronic Cigarette Chemistry: 1. Formation Pathways For Degradation Products Using Isotopic Labeling; And 2. Gas/Particle Partitioning Of Nicotine And Flavor Related Chemicals In Electronic Cigarette Fluids, Kilsun Kim
Dissertations and Theses
Use of electronic cigarettes (e-cigarettes) is rapidly growing around the world. E-cigarettes are commonly used as an alternative nicotine delivery system, and have been advocated as generating lower levels of harmful chemicals compared to conventional cigarettes. Cigarette smoke-like aerosols are generated when e-cigarettes heat e-liquids. The main components of e-cigarette liquids are propylene glycol (PG) and glycerol (GL) in a varying ratio, plus nicotine and flavor chemicals. Both PG and GL are considered safe to ingest in foods and beverages, but the toxicity of these chemicals in aerosols is unknown. Current studies of e-cigarettes have mainly focused on dehydration and …