Toxic Metal-Containing Particles in Aerosols from Pod-Type Electronic Cigarettes.

Journal of Analytical Toxicology
R S PappasClifford Watson

Abstract

The popularity of electronic cigarettes (electronic nicotine delivery systems or ENDS) has grown rapidly over the past decade. With the continued evolution of ENDS, and the arrival of newer replaceable pod devices on the market, it is prudent to examine their emissions to help determine potential health risks to the user. Metal-containing particles were examined in aerosol from several pod-based devices from three manufacturers that offer flavored liquids in their respective products. Previous ENDS metal emissions studies focused on the total toxic metal concentrations in aerosols and have suggested that the principal sources are oxidized internal metal components that are in contact with the liquid. Most metal oxides have limited solubility, and it is likely that some metal content in ENDS aerosol may present as particles rather than dissolved forms. Examining the composition and number of particles in the ENDS aerosols is important because inhaled metal oxide particles cause pulmonary inflammation. Chronic inhalation of ENDS aerosol may lead to inflammatory cell activation in the lungs. Therefore, this study was designed to measure metal oxide particle concentrations and sizes in ENDS aerosols from select pod-based systems. A...Continue Reading

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Citations

Nov 27, 2020·Current Environmental Health Reports·Ana Navas-AcienNancy J LoIacono
Dec 4, 2020·Journal of Analytical Toxicology·Naudia GrayR Steven Pappas
Aug 24, 2021·Chemické Zvesti·Wafaa Waleed Al-Qaysi, Fatma H Abdulla

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