Airborne Particles in the Urban Environment
نویسندگان
چکیده
منابع مشابه
Assessment of exposure to airborne ultrafine particles in the urban environment of Lisbon, Portugal.
The aim of this study was the assessment of exposure to ultrafine in the urban environment ofLisbon, Portugal, due to automobile traffic, and consisted of the determination of deposited alveolar surface area in an avenue leading to the town center during late spring. This study revealed differentiated patterns for weekdays and weekends, which could be related with the fluxes of automobile traff...
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Air sampling studies are described which show high levels of airborne starch powder contamination in areas where powdered latex gloves are used. Furthermore, culture of collected samples show a clear association between starch particles and bacterial colonies in an experimental system suggesting that airborne particles could act as a vector for pathogens in the hospital environment.
متن کاملThe Airborne Metagenome in an Indoor Urban Environment
The indoor atmosphere is an ecological unit that impacts on public health. To investigate the composition of organisms in this space, we applied culture-independent approaches to microbes harvested from the air of two densely populated urban buildings, from which we analyzed 80 megabases genomic DNA sequence and 6000 16S rDNA clones. The air microbiota is primarily bacteria, including potential...
متن کاملOn the assessment of exposure to airborne ultrafine particles in urban environments.
The aim of this study was to contribute to the assessment of exposure levels of ultrafine particles in the urban environment of Lisbon, Portugal, due to automobile traffic, by monitoring lung deposited alveolar surface area (resulting from exposure to ultrafine particles) in a major avenue leading to the town center during late spring, as well as in indoor buildings facing it. Data revealed dif...
متن کاملPlatinum group element concentrations and osmium isotopic composition in urban airborne particles from Boston, Massachusetts.
Platinum, Pd, Rh, and Os were found to occur at elevated concentrations in airborne particles (PM10) collected at urban sites in Boston, MA. Average Pt, Pd, Rh, and Os concentrations were 6.9 +/- 1.9, 8.1 +/- 1.8, 1.50 +/- 0.50, and 0.068 (-0.068 + 0.070) pg m(-3), respectively. Elevated Pt, Pd, and Rh concentrations are attributed to automobile catalysts, which use Pt, Pd, and Rh for the remov...
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ژورنال
عنوان ژورنال: Elements
سال: 2010
ISSN: 1811-5209,1811-5217
DOI: 10.2113/gselements.6.4.229