Estimation of the Inhaled Dose of Pollutants in Different Micro-Environments: A Systematic Review of the Literature

Recently, the need to assess personal exposure in different micro-environments has been highlighted. Further, estimating the inhaled dose of pollutants is considerably one of the most interesting parameters to be explored to complete the fundamental information obtained through exposure assessment,...

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Main Authors: Francesca Borghi, Andrea Spinazzè, Simone Mandaglio, Giacomo Fanti, Davide Campagnolo, Sabrina Rovelli, Marta Keller, Andrea Cattaneo, Domenico Maria Cavallo
Format: Article
Language:English
Published: MDPI AG 2021-06-01
Series:Toxics
Subjects:
Online Access:https://www.mdpi.com/2305-6304/9/6/140
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author Francesca Borghi
Andrea Spinazzè
Simone Mandaglio
Giacomo Fanti
Davide Campagnolo
Sabrina Rovelli
Marta Keller
Andrea Cattaneo
Domenico Maria Cavallo
author_facet Francesca Borghi
Andrea Spinazzè
Simone Mandaglio
Giacomo Fanti
Davide Campagnolo
Sabrina Rovelli
Marta Keller
Andrea Cattaneo
Domenico Maria Cavallo
author_sort Francesca Borghi
collection DOAJ
description Recently, the need to assess personal exposure in different micro-environments has been highlighted. Further, estimating the inhaled dose of pollutants is considerably one of the most interesting parameters to be explored to complete the fundamental information obtained through exposure assessment, especially if associated with a dose-response approach. To analyze the main results obtained from the studies related to the estimation of the inhaled dose of pollutants in different micro-environments (environments in which an individual spends a part of his day), and to identify the influence of different parameters on it, a systematic review of the literature was performed. The principal outcomes from the considered studies outlined that (i) exposure concentration and residence time are among the most important parameters to be evaluated in the estimation of the inhaled dose, especially in transport environments. Further, (ii) the pulmonary ventilation rate can be of particular interest during active commuting because of its increase, which increases the inhalation of pollutants. From a methodological point of view, the advent of increasingly miniaturized, portable and low-cost technologies could favor these kinds of studies, both for the measurement of atmospheric pollutants and the real-time evaluation of physiological parameters used for estimation of the inhaled dose. The main results of this review also show some knowledge gaps. In particular, numerous studies have been conducted for the evaluation (in terms of personal exposure and estimation of the inhaled dose) of different PM fractions: other airborne pollutants, although harmful to human health, are less represented in studies of this type: for this reason, future studies should be conducted, also considering other air pollutants, not neglecting the assessment of exposure to PM. Moreover, many studies have been conducted indoors, where the population spends most of their daily time. However, it has been highlighted how particular environments, even if characterized by a shorter residence time, can contribute significantly to the dose of inhaled pollutants. These environments are, therefore, of particular importance and should be better evaluated in future studies, as well as occupational environments, where the work results in a high pulmonary ventilation rate. The attention of future studies should also be focused on these categories of subjects and occupational studies.
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spelling doaj.art-6064a5f2f02a4d85ba4ce5a19222a9822023-11-21T23:54:29ZengMDPI AGToxics2305-63042021-06-019614010.3390/toxics9060140Estimation of the Inhaled Dose of Pollutants in Different Micro-Environments: A Systematic Review of the LiteratureFrancesca Borghi0Andrea Spinazzè1Simone Mandaglio2Giacomo Fanti3Davide Campagnolo4Sabrina Rovelli5Marta Keller6Andrea Cattaneo7Domenico Maria Cavallo8Department of Science and High Technology, University of Insubria, 22100 Como, ItalyDepartment of Science and High Technology, University of Insubria, 22100 Como, ItalyDepartment of Science and High Technology, University of Insubria, 22100 Como, ItalyDepartment of Science and High Technology, University of Insubria, 22100 Como, ItalyDepartment of Science and High Technology, University of Insubria, 22100 Como, ItalyDepartment of Science and High Technology, University of Insubria, 22100 Como, ItalyDepartment of Science and High Technology, University of Insubria, 22100 Como, ItalyDepartment of Science and High Technology, University of Insubria, 22100 Como, ItalyDepartment of Science and High Technology, University of Insubria, 22100 Como, ItalyRecently, the need to assess personal exposure in different micro-environments has been highlighted. Further, estimating the inhaled dose of pollutants is considerably one of the most interesting parameters to be explored to complete the fundamental information obtained through exposure assessment, especially if associated with a dose-response approach. To analyze the main results obtained from the studies related to the estimation of the inhaled dose of pollutants in different micro-environments (environments in which an individual spends a part of his day), and to identify the influence of different parameters on it, a systematic review of the literature was performed. The principal outcomes from the considered studies outlined that (i) exposure concentration and residence time are among the most important parameters to be evaluated in the estimation of the inhaled dose, especially in transport environments. Further, (ii) the pulmonary ventilation rate can be of particular interest during active commuting because of its increase, which increases the inhalation of pollutants. From a methodological point of view, the advent of increasingly miniaturized, portable and low-cost technologies could favor these kinds of studies, both for the measurement of atmospheric pollutants and the real-time evaluation of physiological parameters used for estimation of the inhaled dose. The main results of this review also show some knowledge gaps. In particular, numerous studies have been conducted for the evaluation (in terms of personal exposure and estimation of the inhaled dose) of different PM fractions: other airborne pollutants, although harmful to human health, are less represented in studies of this type: for this reason, future studies should be conducted, also considering other air pollutants, not neglecting the assessment of exposure to PM. Moreover, many studies have been conducted indoors, where the population spends most of their daily time. However, it has been highlighted how particular environments, even if characterized by a shorter residence time, can contribute significantly to the dose of inhaled pollutants. These environments are, therefore, of particular importance and should be better evaluated in future studies, as well as occupational environments, where the work results in a high pulmonary ventilation rate. The attention of future studies should also be focused on these categories of subjects and occupational studies.https://www.mdpi.com/2305-6304/9/6/140personal exposurepulmonary ventilation rateresidence timeindoor air pollutionoutdoor air pollutionactivity patterns
spellingShingle Francesca Borghi
Andrea Spinazzè
Simone Mandaglio
Giacomo Fanti
Davide Campagnolo
Sabrina Rovelli
Marta Keller
Andrea Cattaneo
Domenico Maria Cavallo
Estimation of the Inhaled Dose of Pollutants in Different Micro-Environments: A Systematic Review of the Literature
Toxics
personal exposure
pulmonary ventilation rate
residence time
indoor air pollution
outdoor air pollution
activity patterns
title Estimation of the Inhaled Dose of Pollutants in Different Micro-Environments: A Systematic Review of the Literature
title_full Estimation of the Inhaled Dose of Pollutants in Different Micro-Environments: A Systematic Review of the Literature
title_fullStr Estimation of the Inhaled Dose of Pollutants in Different Micro-Environments: A Systematic Review of the Literature
title_full_unstemmed Estimation of the Inhaled Dose of Pollutants in Different Micro-Environments: A Systematic Review of the Literature
title_short Estimation of the Inhaled Dose of Pollutants in Different Micro-Environments: A Systematic Review of the Literature
title_sort estimation of the inhaled dose of pollutants in different micro environments a systematic review of the literature
topic personal exposure
pulmonary ventilation rate
residence time
indoor air pollution
outdoor air pollution
activity patterns
url https://www.mdpi.com/2305-6304/9/6/140
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