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Comparison between particulate matter and ultrafine particle emission by electronic and normal cigarettes in real-life conditions

Abstract

Aims. Electronic cigarettes may be safer than conventional cigarettes as they generate less indoor pollution in terms of particulate matter (PM); however, recent findings in experimental conditions demonstrated that secondhand exposure to PM may be expected from e-cigarette smoking. The aim of the present study was to investigate the emission of PM generated by e-cigarettes and normal cigarettes under real-life conditions.
Methods. Real-time measurement and comparison of PM and ultrafine particles (UFP) generated by electronic cigarettes with and without nicotine and by normal cigarettes in a 50 m3 office of an Italian comprehensive cancer center was performed. PM mass as PM1, PM2.5, PM7, PM10, total suspended particles (TSP) in μg/m3 and UFP in number of particles per cubic centimeter from 10 to 1,000 nanometers were measured. Outdoor concentrations were measured contemporaneously to compensate for urban background changes.
Results. Regardless of their nicotine content, e-cigarettes generated lower PM levels than conventional cigarettes. Notably, nicotine-enriched e-cigarettes produced lower PM levels than their nicotine-free counterparts.
Conclusion. E-cigarettes appear to generate less indoor pollution than normal cigarettes and may therefore be safer. Further studies are required to investigate the longterm health-related effects of secondhand e-cigarette exposure.

Tumori 2014; 100(1): e24 - e27

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.1700/1430.15833

Authors

Ario Alberto Ruprecht, Cinzia De Marco, Paolo Pozzi, Elena Munarini, Roberto Mazza, Giorgia Angellotti, Francesca Turla, Roberto Boffi

Article History

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Authors

  • Ruprecht, Ario Alberto [PubMed] [Google Scholar]
    Tobacco Control Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy and SIMG (Società Italiana di Medicina Generale), Sondrio, Italy
  • De Marco, Cinzia [PubMed] [Google Scholar]
    Tobacco Control Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
  • Pozzi, Paolo [PubMed] [Google Scholar]
    Tobacco Control Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
  • Munarini, Elena [PubMed] [Google Scholar]
    Tobacco Control Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
  • Mazza, Roberto [PubMed] [Google Scholar]
    Tobacco Control Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy and Patient Information Service, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
  • Angellotti, Giorgia [PubMed] [Google Scholar]
    Tobacco Control Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
  • Turla, Francesca [PubMed] [Google Scholar]
    Tobacco Control Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
  • Boffi, Roberto [PubMed] [Google Scholar]
    Tobacco Control Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy

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