Particle doses in the pulmonary lobes of electronic and conventional cigarette users

Manigrasso, Maurizio, Buonanno, Giorgio, Stabile, Luca, Morawska, Lidia, & Avino, Pasquale (2015) Particle doses in the pulmonary lobes of electronic and conventional cigarette users. Environmental Pollution, 202, pp. 24-31.

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Abstract

The main aim of the present study was to estimate size segregated doses from e-cigarette aerosols as a function of the airway generation number in lung lobes.. After a 2-second puff, 7.7×1010 particles (DTot) with a surface area of 3.6×103 mm2 (STot), and 3.3×1010 particles with a surface area of 4.2×103 mm2 were deposited in the respiratory system for the electronic and conventional cigarettes, respectively. Alveolar and tracheobronchial deposited doses were compared to the ones received by non-smoking individuals in Western countries, showing a similar order of magnitude. Total regional doses (DR), in head and lobar tracheobronchial and alveolar regions, ranged from 2.7×109 to 1.3×1010 particles and 1.1×109 to 5.3×1010 particles, for the electronic and conventional cigarettes, respectively. DR in the right-upper lung lobe was about twice that found in left-upper lobe and 20% greater in right-lower lobe than the left-lower lobe.

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11 citations in Web of Science®
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ID Code: 84560
Item Type: Journal Article
Refereed: Yes
Keywords: Electronic cigarette, cigarette-generated particles, human respiratory system, particle lobar doses, lobar bronchi, Multiple-Path Particle Dosimetry model
DOI: 10.1016/j.envpol.2015.03.008
ISSN: 0269-7491
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Aerosols (040101)
Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200) > Environmental Monitoring (050206)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering not elsewhere classified (090799)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 Elsevier
Copyright Statement: Licensed under the Creative Commons Attribution; Non-Commercial; No-Derivatives 4.0 International: 10.1016/j.envpol.2015.03.008
Deposited On: 28 May 2015 23:07
Last Modified: 16 Jun 2015 05:19

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