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https://www.readbyqxmd.com/read/28108914/recent-approaches-to-estimate-associations-between-source-specific-air-pollution-and-health
#1
REVIEW
Jenna R Krall, Matthew J Strickland
PURPOSE OF REVIEW: Estimating health effects associated with source-specific exposure is important for better understanding how pollution impacts health and for developing policies to better protect public health. Although epidemiologic studies of sources can be informative, these studies are challenging to conduct because source-specific exposures (e.g., particulate matter from vehicles) often are not directly observed and must be estimated. We reviewed recent studies that estimated associations between pollution sources and health to identify methodological developments designed to address important challenges...
January 20, 2017: Current Environmental Health Reports
https://www.readbyqxmd.com/read/28108164/assessment-of-co-benefits-of-vehicle-emission-reduction-measures-for-2015-2020-in-the-pearl-river-delta-region-china
#2
Yong-Hong Liu, Wen-Yuan Liao, Xiao-Fang Lin, Li Li, Xue-Lan Zeng
Vehicle emissions have become one of the key factors affecting the urban air quality and climate change in the Pearl River Delta (PRD) region, so it is important to design policies of emission reduction based on quantitative Co-benefits for air pollutants and greenhouse gas (GHG). Emissions of air pollutants and GHG by 2020 was predicted firstly based on the no-control scenario, and five vehicle emissions reduction scenarios were designed in view of the economy, technology and policy, whose emissions reduction were calculated...
January 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28108116/maternal-exposure-to-ambient-air-pollution-and-risk-of-early-childhood-cancers-a-population-based-study-in-ontario-canada
#3
Éric Lavigne, Marc-André Bélair, Minh T Do, David M Stieb, Perry Hystad, Aaron van Donkelaar, Randall V Martin, Daniel L Crouse, Eric Crighton, Hong Chen, Jeffrey R Brook, Richard T Burnett, Scott Weichenthal, Paul J Villeneuve, Teresa To, Sabit Cakmak, Markey Johnson, Abdool S Yasseen, Kenneth C Johnson, Marianna Ofner, Lin Xie, Mark Walker
BACKGROUND: There are increasing concerns regarding the role of exposure to ambient air pollution during pregnancy in the development of early childhood cancers. OBJECTIVE: This population based study examined whether prenatal and early life (<1year of age) exposures to ambient air pollutants, including nitrogen dioxide (NO2) and particulate matter with aerodynamic diameters ≤2.5μm (PM2.5), were associated with selected common early childhood cancers in Canada...
January 17, 2017: Environment International
https://www.readbyqxmd.com/read/28108092/the-analysis-and-application-of-a-new-hybrid-pollutants-forecasting-model-using-modified-kolmogorov-zurbenko-filter
#4
Peizhi Li, Yong Wang, Qingli Dong
Cities in China suffer from severe smog and haze, and a forecasting system with high accuracy is of great importance to foresee the concentrations of the airborne particles. Compared with chemical transport models, the growing artificial intelligence models can simulate nonlinearities and interactive relationships and getting more accurate results. In this paper, the Kolmogorov-Zurbenko (KZ) filter is modified and firstly applied to construct the model using an artificial intelligence method. The concentration of inhalable particles and fine particulate matter in Dalian are used to analyze the filtered components and test the forecasting accuracy...
January 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28107740/ambient-air-pollution-and-primary-liver-cancer-incidence-in-four-european-cohorts-within-the-escape-project
#5
Marie Pedersen, Zorana J Andersen, Massimo Stafoggia, Gudrun Weinmayr, Claudia Galassi, Mette Sørensen, Kirsten T Eriksen, Anne Tjønneland, Steffen Loft, Andrea Jaensch, Gabriele Nagel, Hans Concin, Ming-Yi Tsai, Sara Grioni, Alessandro Marcon, Vittorio Krogh, Fulvio Ricceri, Carlotta Sacerdote, Andrea Ranzi, Ranjeet Sokhi, Roel Vermeulen, Kees de Hoogh, Meng Wang, Rob Beelen, Paolo Vineis, Bert Brunekreef, Gerard Hoek, Ole Raaschou-Nielsen
BACKGROUND: Tobacco smoke exposure increases the risk of cancer in the liver, but little is known about the possible risk associated with exposure to ambient air pollution. OBJECTIVES: We evaluated the association between residential exposure to air pollution and primary liver cancer incidence. METHODS: We obtained data from four cohorts with enrolment during 1985-2005 in Denmark, Austria and Italy. Exposure to nitrogen oxides (NO2 and NOX), particulate matter (PM) with diameter of less than 10µm (PM10), less than 2...
January 17, 2017: Environmental Research
https://www.readbyqxmd.com/read/28107509/development-of-combining-of-human-bronchial-mucosa-models-with-xposeali%C3%A2-for-exposure-of-air-pollution-nanoparticles
#6
Jie Ji, Anna Hedelin, Maria Malmlöf, Vadim Kessler, Gulaim Seisenbaeva, Per Gerde, Lena Palmberg
BACKGROUND: Exposure to agents via inhalation is of great concerns both in workplace environment and in the daily contact with particles in the ambient air. Reliable human airway exposure systems will most likely replace animal experiment in future toxicity assessment studies of inhaled agents. METHODS: In this study, we successfully established a combination of an exposure system (XposeALI) with 3D models mimicking both healthy and chronic bronchitis-like mucosa by co-culturing human primary bronchial epithelial cells (PBEC) and fibroblast at air-liquid interface (ALI)...
2017: PloS One
https://www.readbyqxmd.com/read/28106813/transcriptome-profiling-of-the-lungs-reveals-molecular-clock-genes-expression-changes-after-chronic-exposure-to-ambient-air-particles
#7
Pengcheng Song, Zhigang Li, Xiaoqian Li, Lixin Yang, Lulu Zhang, Nannan Li, Chen Guo, Shuyu Lu, Yongjie Wei
The symptoms of asthma, breathlessness, insomnia, etc. all have relevance to pulmonary rhythmic disturbances. Epidemiology and toxicology studies have demonstrated that exposure to ambient air particles can result in pulmonary dysfunction. However, there are no data directly supporting a link between air pollution and circadian rhythm disorder. In the present study, we found that breathing highly polluted air resulted in changes of the molecular clock genes expression in lung by transcriptome profiling analyses in a rodent model...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28104557/a-comparative-study-on-capability-of-different-tree-species-in-accumulating-heavy-metals-from-soil-and-ambient-air
#8
Ahmad Alahabadi, Mohammad Hassan Ehrampoush, Mohammad Miri, Hamideh Ebrahimi Aval, Samira Yousefzadeh, Hamid Reza Ghaffari, Ehsan Ahmadi, Parvaneh Talebi, Zeynab Abaszadeh Fathabadi, Fatemeh Babai, Ali Nikoonahad, Kiomars Sharafi, Ahmad Hosseini-Bandegharaei
Heavy metals (HMs) in the urban environment can be bio-accumulated by plant tissues. The aim of this study was to compare fourteen different tree species in terms of their capability to accumulate four airborne and soilborne HMs including; zinc (Zn), copper (Cu), lead (Pb), and cadmium (Cd). Samplings were performed during spring, summer, and fall seasons. To compare bioaccumulation ability, bio-concentration factor (BCF), comprehensive bio-concentration index (CBCI), and metal accumulation index (MAI) were applied...
January 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/28103912/impact-of-proximity-of-thermoelectric-power-plants-on-bronchial-obstructive-crisis-rates
#9
Tamara Ugarte-Avilés, Carlos Manterola, Ricardo Cartes-Velásquez, Tamara Otzen
BACKGROUND: Environmental pollution is a risk factor for cardiorespiratory diseases. Energy generated by thermoelectric power plants (TEPP) represents a relevant source of pollution. The aim of this study was to evaluate the relationship between living near a coal-fired TEPP and the consultation rates for bronchial obstructive crises (BOC) in the province of Concepción, Chile. METHODS: Population-based study. The epidemiological weeks from 2012 to 2014 were analyzed...
January 19, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28102992/environmental-factors-associated-with-autism-spectrum-disorder-a-scoping-review-for-the-years-2003-2013
#10
M Ng, J G de Montigny, M Ofner, M T Do
INTRODUCTION: The number of children diagnosed with autism spectrum disorder (ASD) has been rapidly rising in the past decade. The etiology of this disorder, however, is largely unknown, although the environmental relative to the genetic contribution is substantial. We conducted a scoping review to comprehensively assess the current state of knowledge of the environmental factors present from preconception to early life associated with ASD, and to identify research gaps. METHODS: We searched electronic databases MEDLINE, PsycINFO and ERIC for articles on potential risk factors or protective factors from the physical and social environments associated with ASD and its subclassifications published between 1 January, 2003, and 12 July, 2013...
January 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/28102970/microbiomes-in-respiratory-health-and-disease-an-asia-pacific-perspective
#11
REVIEW
Sanjay H Chotirmall, Shaan L Gellatly, Kurtis F Budden, Micheál Mac Aogain, Shakti D Shukla, David L A Wood, Philip Hugenholtz, Kevin Pethe, Philip M Hansbro
There is currently enormous interest in studying the role of the microbiome in health and disease. Microbiome's role is increasingly being applied to respiratory diseases, in particular COPD, asthma, cystic fibrosis and bronchiectasis. The changes in respiratory microbiomes that occur in these diseases and how they are modified by environmental challenges such as cigarette smoke, air pollution and infection are being elucidated. There is also emerging evidence that gut microbiomes play a role in lung diseases through the modulation of systemic immune responses and can be modified by diet and antibiotic treatment...
February 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28102779/long-term-dust-aerosol-production-from-natural-sources-in-iceland
#12
Pavla Dagsson-Waldhauserova, Olafur Arnalds, Haraldur Olafsson
: Iceland is a volcanic island in the North Atlantic Ocean with maritime climate. In spite of moist climate, large areas are with limited vegetation cover where >40% of Iceland is classified with considerable to very severe erosion and 21% of Iceland is volcanic sandy deserts. Not only do natural emissions from these sources influenced by strong winds affect regional air quality in Iceland ("Reykjavik haze"), but dust particles are transported over the Atlantic ocean and Arctic Ocean >1000 km at times...
February 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28102073/estimates-of-health-impacts-and-radiative-forcing-in-winter-haze-in-eastern-china-through-constraints-of-surface-pm2-5-predictions
#13
Meng Gao, Pablo E Saide, Jinyuan Xin, Yuesi Wang, Zirui Liu, Yuxuan Wang, Zifa Wang, Mariusz Pagowski, Sarath K Guttikunda, Gregory R Carmichael
The Gridpoint Statistical Interpolation (GSI) Three-Dimensional Variational (3DVAR) data assimilation system is extended to treat the MOSAIC aerosol model in WRF-Chem, and to be capable of assimilating surface PM2.5 concentrations. The coupled GSI-WRF-Chem system is applied to reproduce aerosol levels over China during an extremely polluted winter month, January 2013. After assimilating surface PM2.5 concentrations, the correlation coefficients between observations and model results averaged over the assimilated sites are improved from 0...
January 19, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28101730/concepts-for-studying-urban-environmental-justice
#14
REVIEW
Jason Corburn
PURPOSE OF REVIEW: This paper offers research frameworks for understanding and acting to address urban environmental justice. Urban neighborhoods tend to concentrate and colocate vulnerable people and toxic environments. Cities are also where the poor and people of color tend to be disproportionately exposed to environmental hazards, such as air pollution, lead in paint and water, and polluting industries. RECENT FINDINGS: Researchers and government agencies are increasingly recognizing the need to document cumulative exposures that the urban poor and people of color experience in addition to environmental hazards...
January 18, 2017: Current Environmental Health Reports
https://www.readbyqxmd.com/read/28101729/air-pollution-and-successful-aging-recent-evidence-and-new-perspectives
#15
REVIEW
Gali Cohen, Yariv Gerber
PURPOSE OF REVIEW: Worldwide demographic changes occurring in a relatively short period have led to a growing interest in the determinants of aging "successfully" and how to promote a healthier old age. As environmental exposures such as ambient air pollution are believed to play a role in the process of aging, they might represent one of the pathways turning potential successful agers to unsuccessful agers. We aimed to critically review the current epidemiological evidence of the associations between chronic exposure to ambient air pollution and several key determinants of unsuccessful aging and to identify specific populations of unsuccessful agers that are potentially more vulnerable to air pollution's health effects...
January 18, 2017: Current Environmental Health Reports
https://www.readbyqxmd.com/read/28101367/contribution-of-point-and-small-scaled-sources-to-the-pm10-emission-using-positive-matrix-factorization-model
#16
Zohre Farahmandkia, Faramarz Moattar, Farid Zayeri, Mohamad Sadegh Sekhavatjou, Nabiollah Mansouri
BACKGROUND: The positive matrix factorization is a powerful environmental analysis technique which has been successfully utilized to assess air-born particulate matter source contribution. The new version of this model (PMF5) has two additional estimation error methods and some other useful advantages compared to the previous versions. In the present study, the capability of PMF5 for identification and contribution of small size particle source to the ambient particulate matter was evaluated...
2017: Journal of Environmental Health Science & Engineering
https://www.readbyqxmd.com/read/28100545/chronic-effects-of-air-pollution-on-lung-function-after-lung-transplantation-in-the-systems-prediction-of-chronic-lung-allograft-dysfunction-sysclad-study
#17
Meriem Benmerad, Rémy Slama, Karine Botturi, Johanna Claustre, Antoine Roux, Edouard Sage, Martine Reynaud-Gaubert, Carine Gomez, Romain Kessler, Olivier Brugière, Jean-François Mornex, Sacha Mussot, Marcel Dahan, Véronique Boussaud, Isabelle Danner-Boucher, Claire Dromer, Christiane Knoop, Annick Auffray, Johanna Lepeule, Laure Malherbe, Frederik Meleux, Laurent Nicod, Antoine Magnan, Christophe Pison, Valérie Siroux
An irreversible loss in lung function limits the long-term success in lung transplantation. We evaluated the role of chronic exposure to ambient air pollution on lung function levels in lung transplant recipients (LTRs).The lung function of 520 LTRs from the Cohort in Lung Transplantation (COLT) study was measured every 6 months. The levels of air pollutants (nitrogen dioxide (NO2), particulate matter with an aerodynamic cut-off diameter of x µm (PMx) and ozone (O3)) at the patients' home address were averaged in the 12 months before each spirometry test...
January 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28100418/persistent-organic-pollutants-in-the-atlantic-and-southern-oceans-and-oceanic-atmosphere
#18
Jenna L Luek, Rebecca M Dickhut, Michele A Cochran, Renee L Falconer, Henrik Kylin
Persistent organic pollutants (POPs) continue to cycle through the atmosphere and hydrosphere despite banned or severely restricted usages. Global scale analyses of POPs are challenging, but knowledge of the current distribution of these compounds is needed to understand the movement and long-term consequences of their global use. In the current study, air and seawater samples were collected Oct. 2007-Jan. 2008 aboard the Icebreaker Oden en route from Göteborg, Sweden to McMurdo Station, Antarctica. Both air and surface seawater samples consistently contained α-hexachlorocyclohexane (α-HCH), γ-HCH, hexachlorobenzene (HCB), α-Endosulfan, and polychlorinated biphenyls (PCBs)...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28100417/long-range-and-regional-transported-size-resolved-atmospheric-aerosols-during-summertime-in-urban-shanghai
#19
Xiaoxiao Ding, Lingdong Kong, Chengtian Du, Assiya Zhanzakova, Lin Wang, Hongbo Fu, Jianmin Chen, Xin Yang, Tiantao Cheng
In this study, the concentrations of water soluble ions (WSI), organic carbon (OC), and elemental carbon (EC) of size-resolved (0.056-18μm) atmospheric aerosols were measured in July and August 2015 in Shanghai, China. Backward trajectory model and potential source contribution function (PSCF) model were used to identify the potential source distributions of size-resolved particles and PM1.8-associated atmospheric inorganic and carbonaceous aerosols. The results showed that the average mass concentrations of PM0...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28100391/-a-review-of-progress-in-research-of-effect-of-air-pollutants-on-fetal-growth
#20
W Y Wang, R X Zhao, H Guo, S Chen, W H Zhang, S L Yang, K Wang, Y Meng, J Huang, S Wei
Slow fetal growth is a global public health concern because it might be associated with many diseases later in life. With the progress of technology to measure long-term air pollution exposure. Many epidemiological studies have evaluated the effects of maternal air pollutant exposure on fetal growth. In this paper, we summarize the research progress in this field after the analysis on the related literatures retrieved from the databases of Medline and Web of Science.
10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
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