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المؤلفGodoi, Ricardo H M
المؤلفGonçalves, Sérgio J
المؤلفSayama, Célia
المؤلفPolezer, Gabriela
المؤلفReis Neto, José M
المؤلفAlföldy, Bálint
المؤلفVan Grieken, René
المؤلفRiedi, Carlos A
المؤلفYamamoto, Carlos I
المؤلفGodoi, Ana F L
المؤلفBencs, László
تاريخ الإتاحة2018-03-11T07:34:53Z
تاريخ النشر2016-12-01
اسم المنشورEnvironmental Science and Pollution Research
المعرّفhttp://dx.doi.org/10.1007/s11356-016-7586-0
الاقتباسGodoi, R. H., Gonçalves, S. J., Sayama, C., Polezer, G., Neto, J. M. R., Alföldy, B., ... & Bencs, L. (2016). Health implications of atmospheric aerosols from asbestos-bearing road pavements traditionally used in Southern Brazil. Environmental Science and Pollution Research, 23(24), 25180-25190.‏
الرقم المعياري الدولي للكتاب0944-1344
معرّف المصادر الموحدhttp://hdl.handle.net/10576/6413
الملخصSerpentine and amphibole asbestos occur naturally in certain geologic settings worldwide, most commonly in association with ultramafic rocks, along associated faults. Ultramafic rocks have been used in Piên County, Southern Brazil for decades for the purpose of road paving in rural and urban areas, but without the awareness of their adverse environmental and health impact. The aim of this study was the chemical characterization of aerosols re-suspended in two rural roads of Piên, paved with ultramafic rocks and to estimate the pulmonary deposition of asbestos aerosols. Bulk aerosol samples were analyzed by means of X-ray fluorescence spectrometry and X-ray diffraction analysis, in order to characterize elemental composition and crystallinity. Single-particle compositions of aerosols were analyzed by computer-controlled electron-probe microanalysis, indicating the presence of a few percentages of serpentine and amphibole. Given the chemical composition and size distribution of aerosol particles, the deposition efficiency of chrysotile, a sub-group of serpentine, in two principal segments of the human respiratory system was estimated using a lung deposition model. As an important finding, almost half of the inhaled particles were calculated to be deposited in the respiratory system. Asbestos depositions were significant (∼25 %) in the lower airways, even though the selected breathing conditions (rest situation, nose breathing) implied the lowest rate of respiratory deposition. Considering the fraction of inhalable suspended chrysotile near local roads, and the long-term exposure of humans to these aerosols, chrysotile may represent a hazard, regarding more frequent development of lung cancer in the population of the exposed region.
اللغةen
الناشرSpringer Verlag
الموضوعAdverse health effects
Asbestos minerals
Atmospheric particulate matter
Health impact
Lung deposition model
Single particles
العنوانHealth implications of atmospheric aerosols from asbestos-bearing road pavements traditionally used in Southern Brazil.
النوعArticle
الصفحات25180–25190
رقم العدد24
رقم المجلد23
ESSN1614-7499


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