The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas

Magnetite (Fe3O4) nano-particles (MNPs) have been found in human tissues and causally linked to serious illnesses. The possible negative role of MNPs has been not still fully ascertained even though MNPs might cause health effects due to their magnetic property, redox activity and surface charge. Th...

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Autores principales:	Gabriel M. Ingo, Cristina Riccucci, Gianluca Pisani, Marianna Pascucci, Daniele D'Ercole, Ettore Guerriero, Francesca Boccaccini, Giacomo Falso, Gianpaolo Zambonini, Valerio Paolini, Gabriella Di Carlo
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Elemental profile of PM10 Airborne magnetite nanoparticles Particles source Brake wear emission Automated FESEM-EDS analysis Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/2688f90d96064d2a90226cbf64bdc80d
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spelling	oai:doaj.org-article:2688f90d96064d2a90226cbf64bdc80d2021-11-22T04:16:59ZThe vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas0160-412010.1016/j.envint.2021.106991https://doaj.org/article/2688f90d96064d2a90226cbf64bdc80d2022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0160412021006164https://doaj.org/toc/0160-4120Magnetite (Fe3O4) nano-particles (MNPs) have been found in human tissues and causally linked to serious illnesses. The possible negative role of MNPs has been not still fully ascertained even though MNPs might cause health effects due to their magnetic property, redox activity and surface charge. The origin of MNPs in human tissues still remains to be unambiguously identified since biological processes, natural phenomena and anthropogenic production have been proposed. According to this latter increasingly convincing hypothesis, anthropogenic MNPs might enter mainly in the human body via inhalation, penetrate deeply into the lungs and in the alveoli and also migrate into the blood circulation and gather in the extrapulmonary organs and central nervous system. In order to identify the releasing source of the potentially inhalable MNPs, we pioneered an innovative approach to rapidly investigate elemental profile and morphology of a large number of airborne micron and sub-micron-sized Fe-bearing particles (FePs). The study was performed by collecting a large amount of micron and sub-micron sized inhalable airborne FePs in trafficked and densely frequented areas of Rome (Italy). Then, we have investigated individually the elemental profile and morphology of the collected particles by means of high-spatial resolution scanning electron microscopy, energy dispersive spectroscopy and an automated software purposely developed for the metal-bearing particles analysis. On the basis of specific elemental tracing features, the investigation reveals that almost the total amount of the airborne FePs is released by the vehicle braking systems mainly in the form of magnetite. Furthermore, we point out that our approach might be more generally used to identify the releasing sources of different inorganic airborne particles and to contribute to establish more accurately the impact of specific natural or anthropogenic particles on the environment and human health.Gabriel M. IngoCristina RiccucciGianluca PisaniMarianna PascucciDaniele D'ErcoleEttore GuerrieroFrancesca BoccacciniGiacomo FalsoGianpaolo ZamboniniValerio PaoliniGabriella Di CarloElsevierarticleElemental profile of PM10Airborne magnetite nanoparticlesParticles sourceBrake wear emissionAutomated FESEM-EDS analysisEnvironmental sciencesGE1-350ENEnvironment International, Vol 158, Iss , Pp 106991- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Elemental profile of PM10 Airborne magnetite nanoparticles Particles source Brake wear emission Automated FESEM-EDS analysis Environmental sciences GE1-350
spellingShingle	Elemental profile of PM10 Airborne magnetite nanoparticles Particles source Brake wear emission Automated FESEM-EDS analysis Environmental sciences GE1-350 Gabriel M. Ingo Cristina Riccucci Gianluca Pisani Marianna Pascucci Daniele D'Ercole Ettore Guerriero Francesca Boccaccini Giacomo Falso Gianpaolo Zambonini Valerio Paolini Gabriella Di Carlo The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas
description	Magnetite (Fe3O4) nano-particles (MNPs) have been found in human tissues and causally linked to serious illnesses. The possible negative role of MNPs has been not still fully ascertained even though MNPs might cause health effects due to their magnetic property, redox activity and surface charge. The origin of MNPs in human tissues still remains to be unambiguously identified since biological processes, natural phenomena and anthropogenic production have been proposed. According to this latter increasingly convincing hypothesis, anthropogenic MNPs might enter mainly in the human body via inhalation, penetrate deeply into the lungs and in the alveoli and also migrate into the blood circulation and gather in the extrapulmonary organs and central nervous system. In order to identify the releasing source of the potentially inhalable MNPs, we pioneered an innovative approach to rapidly investigate elemental profile and morphology of a large number of airborne micron and sub-micron-sized Fe-bearing particles (FePs). The study was performed by collecting a large amount of micron and sub-micron sized inhalable airborne FePs in trafficked and densely frequented areas of Rome (Italy). Then, we have investigated individually the elemental profile and morphology of the collected particles by means of high-spatial resolution scanning electron microscopy, energy dispersive spectroscopy and an automated software purposely developed for the metal-bearing particles analysis. On the basis of specific elemental tracing features, the investigation reveals that almost the total amount of the airborne FePs is released by the vehicle braking systems mainly in the form of magnetite. Furthermore, we point out that our approach might be more generally used to identify the releasing sources of different inorganic airborne particles and to contribute to establish more accurately the impact of specific natural or anthropogenic particles on the environment and human health.
format	article
author	Gabriel M. Ingo Cristina Riccucci Gianluca Pisani Marianna Pascucci Daniele D'Ercole Ettore Guerriero Francesca Boccaccini Giacomo Falso Gianpaolo Zambonini Valerio Paolini Gabriella Di Carlo
author_facet	Gabriel M. Ingo Cristina Riccucci Gianluca Pisani Marianna Pascucci Daniele D'Ercole Ettore Guerriero Francesca Boccaccini Giacomo Falso Gianpaolo Zambonini Valerio Paolini Gabriella Di Carlo
author_sort	Gabriel M. Ingo
title	The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas
title_short	The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas
title_full	The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas
title_fullStr	The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas
title_full_unstemmed	The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas
title_sort	vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/2688f90d96064d2a90226cbf64bdc80d
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The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas

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