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https://www.readbyqxmd.com/read/28728136/indoor-wood-burning-stove-and-fireplace-use-and-breast-cancer-in-a-prospective-cohort-study
#1
Alexandra J White, Dale P Sandler
BACKGROUND: Indoor burning of fuel for heating or cooking releases carcinogens. Little is known about the impact of indoor air pollution from wood-burning stoves or fireplaces on breast cancer risk. OBJECTIVES: In a large prospective cohort study, we evaluated the risk of breast cancer in relation to indoor heating and cooking practices. METHODS: Sister Study participants () were recruited from 2003-2009. Breast cancer-free women in the United States or Puerto Rico, 35-74 y old, with a sister with breast cancer were eligible...
July 18, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28722632/pilot-intervention-study-of-household-ventilation-and-fine-particulate-matter-concentrations-in-a-low-income-urban-area-dhaka-bangladesh
#2
Anne M Weaver, Shahana Parveen, Doli Goswami, Christina Crabtree-Ide, Carole Rudra, Jihnhee Yu, Lina Mu, Alicia M Fry, Iffat Sharmin, Stephen P Luby, Pavani K Ram
Fine particulate matter (PM2.5) is a risk factor for pneumonia; ventilation may be protective. We tested behavioral and structural ventilation interventions on indoor PM2.5 in Dhaka, Bangladesh. We recruited 59 good ventilation (window or door in ≥ 3 walls) and 29 poor ventilation (no window, one door) homes. We monitored baseline indoor and outdoor PM2.5 for 48 hours. We asked all participants to increase ventilation behavior, including opening windows and doors, and operating fans. Where permitted, we installed windows in nine poor ventilation homes, then repeated PM2...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28715576/association-of-ozone-exposure-with-cardiorespiratory-pathophysiologic-mechanisms-in-healthy-adults
#3
Drew B Day, Jianbang Xiang, Jinhan Mo, Feng Li, Mingkei Chung, Jicheng Gong, Charles J Weschler, Pamela A Ohman-Strickland, Jan Sundell, Wenguo Weng, Yinping Zhang, Junfeng Jim Zhang
Importance: Exposure to ozone has been associated with cardiovascular mortality, but the underlying biological mechanisms are not yet understood. Objective: To examine the association between ozone exposure and cardiopulmonary pathophysiologic mechanisms. Design, Setting, and Participants: A longitudinal study involving 89 healthy adult participants living on a work campus in Changsha City, China, was conducted from December 1, 2014, to January 31, 2015...
July 17, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28710404/assuring-quality-in-microplastic-monitoring-about-the-value-of-clean-air-devices-as-essentials-for-verified-data
#4
Charlotte Wesch, Anna Maria Elert, Manuel Wörner, Ulrike Braun, Roland Klein, Martin Paulus
Avoiding aerial microfibre contamination of environmental samples is essential for reliable analyses when it comes to the detection of ubiquitous microplastics. Almost all laboratories have contamination problems which are largely unavoidable without investments in clean-air devices. Therefore, our study supplies an approach to assess background microfibre contamination of samples in the laboratory under particle-free air conditions. We tested aerial contamination of samples indoor, in a mobile laboratory, within a laboratory fume hood and on a clean bench with particles filtration during the examining process of a fish...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28682605/characterizing-aggregated-exposure-to-primary-particulate-matter-recommended-intake-fractions-for-indoor-and-outdoor-sources
#5
Peter Fantke, Olivier Jolliet, Joshua S Apte, Natasha Hodas, John Evans, Charles J Weschler, Katerina S Stylianou, Matti Jantunen, Thomas E McKone
Exposure to fine particulate matter (PM2.5) from indoor and outdoor sources is a leading environmental contributor to global disease burden. In response, we established under the auspices of the UNEP/SETAC Life Cycle Initiative a coupled indoor-outdoor emission-to-exposure framework to provide a set of consistent primary PM2.5 aggregated exposure factors. We followed a matrix-based mass balance approach for quantifying exposure from indoor and ground-level urban and rural outdoor sources using an effective indoor-outdoor population intake fraction and a system of archetypes to represent different levels of spatial detail...
July 19, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28679081/polycyclic-aromatic-hydrocarbons-pah-in-portuguese-educational-settings-a-comparison-between-preschools-and-elementary-schools
#6
Klara Slezakova, Marta Oliveira, Joana Madureira, Eduardo de Oliveira Fernandes, Cristina Delerue-Matos, Simone Morais, Maria do Carmo Pereira
The aim of this study was to determine levels and risks due to inhalation exposure to polycyclic aromatic hydrocarbons (PAH) in different educational settings, namely for 3- to 5- year-old and 6- to 10-year-old children. Eighteen PAH (16 priority designated by US Environmental Protection Agency (USEPA) and dibenzo[a,l]pyrene and benzo[j]fluoranthene) were simultaneously collected in indoor and outdoor air at two Portuguese preschools (PS1-PS2) and five elementary schools (ES1-ES5) from March to May 2014. Indoor concentrations at PS and ES were significantly different, with total levels (∑PAHs) 0...
July 5, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28679072/long-term-associations-of-morbidity-with-air-pollution-a-catalogue-and-synthesis
#7
Frederick W Lipfert
I searched the NIH Medline database through January 2017 for long-term studies of morbidity and air pollution and cataloged them with respect to cardiovascular, respiratory, cancer, diabetes, hospitalization, neurological, and pregnancy-birth endpoints. The catalogue is presented as an online appendix. Associations with PM2.5, PM10, and NO2 were evaluated most frequently among the 417 ambient air quality studies identified. Associations with TSP, carbon, ozone, sulfur, vehicular traffic, radon, and indoor air quality were also reported...
July 5, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28673399/environmental-determinants-of-allergy-and-asthma-in-early-life
#8
REVIEW
Allison J Burbank, Amika K Sood, Matthew J Kesic, David B Peden, Michelle L Hernandez
Allergic disease prevalence has increased significantly in recent decades. Primary prevention efforts are being guided by study of the exposome (or collective environmental exposures beginning during the prenatal period) to identify modifiable factors that affect allergic disease risk. In this review we explore the evidence supporting a relationship between key components of the external exposome in the prenatal and early-life periods and their effect on atopy development focused on microbial, allergen, and air pollution exposures...
July 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28667414/indoor-airborne-fungal-pollution-in-newborn-units-in-turkey
#9
Rasime Demirel, Burhan Sen, Duygu Kadaifciler, Aysegul Yoltas, Suzan Okten, Evrim Ozkale, Derya Berikten, Robert A Samson, Alev Haliki Uztan, Neriman Yilmaz, Ozlem Abaci Gunyar, Halide Aydogdu, Ahmet Asan, Merih Kivanc, Soner Ozdil, Erhan Sakartepe
Pathogenic and/or opportunistic fungal species are major causes of nosocomial infections, especially in controlled environments where immunocompromised patients are hospitalized. Indoor fungal contamination in hospital air is associated with a wide range of adverse health effects. Regular determination of fungal spore counts in controlled hospital environments may help reduce the risk of fungal infections. Because infants have inchoate immune systems, they are given immunocompromised patient status. The aim of the present study was to evaluate culturable airborne fungi in the air of hospital newborn units in the Thrace, Marmara, Aegean, and Central Anatolia regions of Turkey...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28662448/arterial-blood-pressure-responses-to-short-term-exposure-to-fine-and-ultrafine-particles-from-indoor-sources-a-randomized-sham-controlled-exposure-study-of-healthy-volunteers
#10
Vanessa J Soppa, Roel P F Schins, Frauke Hennig, Mark J Nieuwenhuijsen, Bryan Hellack, Ulrich Quass, Heinz Kaminski, Birgitta Sasse, Samir Shinnawi, Thomas A J Kuhlbusch, Barbara Hoffmann
OBJECTIVES: Particulate air pollution is linked to adverse cardiovascular effects. The aim of the study was to investigate the effect of short-term exposure to indoor particles on blood pressure (BP). METHODS: We analyzed the association of particle emissions from indoor sources (candle burning, toasting bread, frying sausages) with BP changes in 54 healthy volunteers in a randomized cross-over controlled exposure study. Particle mass concentration (PMC), size-specific particle number concentration (PNC) and lung-deposited particle surface area concentration (PSC) were measured during the 2h exposure...
June 26, 2017: Environmental Research
https://www.readbyqxmd.com/read/28656559/assessing-indoor-air-quality-of-school-environments-transplanted-lichen-pseudovernia-furfuracea-as-a-new-tool-for-biomonitoring-and-bioaccumulation
#11
Carmela Protano, Malgorzata Owczarek, Arianna Antonucci, Maurizio Guidotti, Matteo Vitali
The aim of this research is to evaluate the ability of transplanted lichen Pseudovernia (P). furfuracea to biomonitor and bioaccumulate in urban indoor environments. The elements As, Cd, Cr, Cu, Hg, Ni and Pb and 12 selected polycyclic aromatic hydrocarbons (PAHs) were used to assess P. furfuracea as a biomonitoring tool for the indoor air quality of school environments. To achieve this purpose, lichen samples were exposed for 2 months in the outdoor and indoor environments of five school settings located in urban and rural areas...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28651316/a-permeation-controlled-formaldehyde-reference-source-for-application-in-environmental-test-chambers
#12
Tunga Salthammer, Ruth Giesen, Tobias Schripp
In a wide range of indoor air pollutants, formaldehyde is one of the most-used and best-known substances. In order to protect human health, many countries have established threshold values for the release of formaldehyde from miscellaneous products and revise them constantly. Compliance with these regulations is usually assessed by emission test chamber measurements or derived methods. To control and improve the mechanisms of an emission test chamber, a reliable reference source with sample mimicking emission properties is required but not available so far...
June 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28651166/air-quality-inside-subway-metro-indoor-environment-worldwide-a-review
#13
REVIEW
Bin Xu, Jinliang Hao
The air quality in the subway metro indoor microenvironment has been of particular public concern. With specific reference to the growing demand of green transportation and sustainable development, subway metro systems have been rapidly developed worldwide in last decades. The number of metro commuters has continuously increased over recent years in metropolitan cities. In some cities, metro system has become the primary public transportation mode. Although commuters typically spend only 30-40min in metros, the air pollutants emitted from various interior components of metro system as well as air pollutants carried by ventilation supply air are significant sources of harmful air pollutants that could lead to unhealthy human exposure...
June 23, 2017: Environment International
https://www.readbyqxmd.com/read/28645052/cardiorespiratory-responses-of-air-filtration-a-randomized-crossover-intervention-trial-in-seniors-living-in-beijing-beijing-indoor-air-purifier-study-biapsy
#14
Danqing Shao, Yipeng Du, Shuo Liu, Bert Brunekreef, Kees Meliefste, Qian Zhao, Jie Chen, Xiaoming Song, Meng Wang, Juan Wang, Hongbing Xu, Rongshan Wu, Tong Wang, Baihuan Feng, Candice Shih-Chun Lung, Xian Wang, Bei He, Wei Huang
In this Beijing Indoor Air Purifier StudY (BIAPSY), we conducted a randomized crossover intervention trial in a panel of 35 non-smoking senior participants with free-living, with and without chronic obstructive pulmonary disease (COPD). Portable air filtration units were randomly allocated to active-(filter in) for 2weeks and sham-mode (filter out) for 2weeks in the households. We examined the differences in indoor air pollutant concentrations in 20 study homes and a suite of cardio-respiratory biomarker levels in study participants between filtration modes, with and without adjustment for potential confounders...
June 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28624972/sbs-symptoms-in-relation-to-dampness-and-ventilation-in-inspected-single-family-houses-in-sweden
#15
Greta Smedje, Juan Wang, Dan Norbäck, Håkan Nilsson, Karin Engvall
PURPOSE: To investigate the relationships between symptoms compatible with the sick building syndrome (SBS) in adults and building dampness and ventilation in single-family houses. METHODS: Within the Swedish BETSI study, a national sample of single-family houses were inspected by professional building experts, and adults living in the houses answered a questionnaire on SBS. Relationships between building factors and SBS were analysed using logistic regression. RESULTS: Of the respondents, 23% reported having had weekly SBS symptoms during the last three months...
June 17, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28624750/long-term-indoor-air-conditioner-filtration-and-cardiovascular-health-a-randomized-crossover-intervention-study
#16
Hsiao-Chi Chuang, Kin-Fai Ho, Lian-Yu Lin, Ta-Yuan Chang, Gui-Bing Hong, Chi-Ming Ma, I-Jung Liu, Kai-Jen Chuang
The association of short-term air pollution filtration with cardiovascular health has been documented. However, the effect of long-term indoor air conditioner filtration on the association between air pollution and cardiovascular health is still unclear. We recruited 200 homemakers from Taipei and randomly assigned 100 of them to air filtration or control intervention; six home visits were conducted per year from 2013 to 2014. The participants under air filtration intervention during 2013 were reassigned to control intervention in 2014...
June 15, 2017: Environment International
https://www.readbyqxmd.com/read/28621308/inhalation-toxicity-of-indoor-air-pollutants-in-drosophila-melanogaster-using-integrated-transcriptomics-and-computational-behavior-analyses
#17
Hyun-Jeong Eom, Yuedan Liu, Gyu-Suk Kwak, Muyoung Heo, Kyung Seuk Song, Yun Doo Chung, Tae-Soo Chon, Jinhee Choi
We conducted an inhalation toxicity test on the alternative animal model, Drosophila melanogaster, to investigate potential hazards of indoor air pollution. The inhalation toxicity of toluene and formaldehyde was investigated using comprehensive transcriptomics and computational behavior analyses. The ingenuity pathway analysis (IPA) based on microarray data suggests the involvement of pathways related to immune response, stress response, and metabolism in formaldehyde and toluene exposure based on hub molecules...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28610581/household-air-pollution-from-cooking-and-risk-of-adverse-health-and-birth-outcomes-in-bangladesh-a-nationwide-population-based-study
#18
Md Nuruzzaman Khan, Cherri Zhang B Nurs, M Mofizul Islam, Md Rafiqul Islam, Md Mizanur Rahman
BACKGROUND: Household air pollution (HAP) from cooking with solid fuels has become a leading cause of death and disability in many developing countries including Bangladesh. We assess the association between HAP and risk of selected adverse birth and maternal health outcomes. METHODS: Data for this study were extracted from Bangladesh Demographic and Health Survey conducted during 2007-2014. Selected adverse birth outcomes were acute respiratory infection (ARI) among children, stillbirth, low birth weight (LBW), under-five mortality, neonatal mortality and infant mortality...
June 13, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28600748/teacher-respiratory-health-symptoms-in-relation-to-school-and-home-environment
#19
Shao Lin, Wayne R Lawrence, Ziqiang Lin, Melissa Francois, Iulia A Neamtiu, Qiaoxuan Lin, Eva Csobod, Eugen S Gurzau
PURPOSE: Few studies have evaluated teachers' respiratory health, especially its relationship with school/home environment, and school policies. This study assessed asthma and smoking prevalence among teachers in Romania, teacher's perception and knowledge of the school environment, policies and asthma management, and how school and home environment affected asthma, allergy, and respiratory infection symptoms. METHODS: This cross-sectional study obtained information from 104 Romanian teachers utilizing teacher questionnaire data for Romania only, as part of the Schools Indoor Pollution and Health: Observatory Network in Europe (SINPHONIE) study, a multicenter European research project conducted between 2010 and 2012...
June 9, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28594862/application-of-acoustic-agglomeration-to-enhance-air-filtration-efficiency-in-air-conditioning-and-mechanical-ventilation-acmv-systems
#20
Bing Feng Ng, Jin Wen Xiong, Man Pun Wan
The recent episodes of haze in Southeast Asia have caused some of the worst regional atmospheric pollution ever recorded in history. In order to control the levels of airborne fine particulate matters (PM) indoors, filtration systems providing high PM capturing efficiency are often sought, which inadvertently also results in high airflow resistance (or pressure drop) that increases the energy consumption for air distribution. A pre-conditioning mechanism promoting the formation of particle clusters to enhance PM capturing efficiency without adding flow resistance in the air distribution ductwork could provide an energy-efficient solution...
2017: PloS One
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