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https://www.readbyqxmd.com/read/28742415/air-and-dust-borne-fungi-in-indoor-and-outdoor-home-of-allergic-patients-in-a-dust-storm-affected-area
#1
Elham Shabankarehfard, Afshin Ostovar, Shokrollah Farrokhi, Behrouz Naeimi, Sasan Zaeri, Shahrokh Nazmara, Mozhgan Keshtkar, Farzaneh Sadeghzadeh, Sina Dobaradaran
Despite the recent increases in fungi-induced allergic diseases, there is no report yet in the region of the Persian Gulf on concentration levels of fungi in relationship with health state. Therefore, our aim was to measure fungi prevalence as well as to evaluate the relationships between air- and dust-borne fungal genera and allergic diseases. A matched case-control study was carried out including 45 allergic cases and 45 age- and gender-matched controls for each individual. Indoor and outdoor dust and indoor air samples were collected from participant homes during May to October 2015...
July 25, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28738262/systematic-review-of-community-health-impacts-of-mountaintop-removal-mining
#2
REVIEW
Abee L Boyles, Robyn B Blain, Johanna R Rochester, Raghavendhran Avanasi, Susan B Goldhaber, Sofie McComb, Stephanie D Holmgren, Scott A Masten, Kristina A Thayer
BACKGROUND: The objective of this evaluation is to understand the human health impacts of mountaintop removal (MTR) mining, the major method of coal mining in and around Central Appalachia. MTR mining impacts the air, water, and soil and raises concerns about potential adverse health effects in neighboring communities; exposures associated with MTR mining include particulate matter (PM), polycyclic aromatic hydrocarbons (PAHs), metals, hydrogen sulfide, and other recognized harmful substances...
July 21, 2017: Environment International
https://www.readbyqxmd.com/read/28737938/heterogeneous-photooxidation-of-so2-in-the-presence-of-two-different-mineral-dust-particles-gobi-and-arizona-dust
#3
Jiyeon Park, Myoseon Jang, Zechen Yu
The impact of authentic mineral dust particles sourced from the Gobi Desert (GDD) on the kinetic uptake coefficient of SO2 was studied under varying environments (humidity, O3, and NOx) using both an indoor chamber and an outdoor chamber. There was a significant increase in the kinetic uptake coefficient of SO2 (ΥSO4(2-),light) for GDD particles under UV light compared to the value (ΥSO4(2-),dark) under dark conditions at various relative humidities (RH) ranging from 20% to 80%. In both the presence and absence of O3 and NOx, ΥSO4(2-),light and ΥSO4(2-),dark) greatly increased with increasing RH...
July 24, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28737683/increased-risk-of-drug-induced-hyponatremia-during-high-temperatures
#4
Anna K Jönsson, Henrik Lövborg, Wolfgang Lohr, Bertil Ekman, Joacim Rocklöv
PURPOSE: To investigate the relationship between outdoor temperature in Sweden and the reporting of drug-induced hyponatremia to the Medical Products Agency (MPA). METHODS: All individual adverse drug reactions (ADR) reported to MPA from 1 January 2010 to 31 October 2013 of suspected drug-induced hyponatremia and random controls were identified. Reports where the ADR had been assessed as having at least a possible relation to the suspected drug were included. Information on administered drugs, onset date, causality assessment, sodium levels, and the geographical origin of the reports was extracted...
July 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28735838/cardiovascular-effects-of-air-pollution
#5
REVIEW
Thomas Bourdrel, Marie-Abèle Bind, Yannick Béjot, Olivier Morel, Jean-François Argacha
Air pollution is composed of particulate matter (PM) and gaseous pollutants, such as nitrogen dioxide and ozone. PM is classified according to size into coarse particles (PM10), fine particles (PM2.5) and ultrafine particles. We aim to provide an original review of the scientific evidence from epidemiological and experimental studies examining the cardiovascular effects of outdoor air pollution. Pooled epidemiological studies reported that a 10μg/m(3) increase in long-term exposure to PM2.5 was associated with an 11% increase in cardiovascular mortality...
July 20, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28735597/correlates-and-family-aggregation-of-vitamin-d-concentrations-in-school-aged-children-and-their-parents-in-nine-mesoamerican-countries
#6
Sonia L Robinson, Manuel Ramirez-Zea, Ana Victoria Roman, Eduardo Villamor
OBJECTIVE: To determine the associations of sociodemographic characteristics, diet and outdoor activity as an indicator of sun exposure with serum 25-hydroxyvitamin D (25(OH)D) concentrations in children and their parents from Mesoamerica. We also quantified family aggregation of serum 25(OH)D. DESIGN: Cross-sectional study. Serum 25(OH)D concentrations were quantified using immunoassay. We compared the distribution of 25(OH)D concentrations in adults and children by levels of each correlate with the use of linear regression...
July 24, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28734253/polybrominated-diphenyl-ether-flame-retardant-concentrations-in-faeces-from-young-children-in-queensland-australia-and-associations-with-environmental-and-behavioural-factors
#7
Karin English, Yiqin Chen, Leisa-Maree Toms, Paul Jagals, Robert S Ware, Jochen F Mueller, Peter D Sly
The aim of our study was to investigate children's exposure to the flame retardants polybrominated diphenyl ethers (PBDEs) by analysing faecal content, a non-invasive matrix, as well as responses to an exposure-assessment questionnaire. A convenience sample of 61 parents with children (aged >3 months to <2 years) completed an online pre-tested questionnaire and provided faecal samples for analysis by high resolution gas chromatography/mass spectrometry. BDE-209 was the dominant congener in faecal samples adjusted to 8...
July 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28734216/releasing-of-hexabromocyclododecanes-from-expanded-polystyrenes-in-seawater-field-and-laboratory-experiments
#8
Manviri Rani, Won Joon Shim, Mi Jang, Gi Myung Han, Sang Hee Hong
Expanded polystyrene (EPS) is a major component of marine debris globally. Recently, hazardous hexabromocyclododecanes (HBCDDs) were detected in EPS buoys used for aquaculture farming. Subsequently, enrichment of HBCDDs was found in nearby marine sediments and mussels growing on EPS buoys. It was suspected that EPS buoys and their debris might be sources of HBCDDs. To confirm this, the release of HBCDDs from EPS spherules detached from a buoy to seawater was investigated under field (open sea surface and closed outdoor chambers with sun exposure and in the dark) and laboratory (particle-size) conditions...
July 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28733822/concentrations-and-inhalation-risk-assessment-of-short-chain-polychlorinated-paraffins-in-the-urban-air-of-dalian-china
#9
Xiuhua Zhu, Hao Bai, Yuan Gao, Jiping Chen, Heping Yuan, Longxing Wang, Wei Wang, Xuewei Dong, Xiaoxiao Li
The concentrations of short-chain polychlorinated paraffins (SCCPs) in the urban air of Dalian, China, were monitored from March to October 2010 and from September to October 2016 with active high-volume sampler. The total concentration of SCCPs (particulate phase + gas phase) ranged from 15.12 to 66.44 ng m(-3), with an average of 30.26 ng m(-3) in 2010, and 65.30 to 91.00 ng m(-3), with an average of 78.15 ng m(-3) in 2016. Hexa-chlorinated dodecane and hexa-chlorinated undecane are the predominant components in the gas phase, while octa-chlorinated undecane and hepta-chlorinated tridecane are dominant in the particulate phase...
July 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28733094/isolated-non-cardiogenic-pulmonary-edema-a-rare-complication-of-mdma-toxicity
#10
Astrid Haaland, Elliot Warman, Illya Pushkar, Antonios Likourezos, Matt S Friedman
This is a case of a 19-year-old male who presented to the medical tent at an outdoor electronic dance music festival (EDMF) due to an altered mental state in the setting of acute 3,4-methylenedioxymethamphetamine (MDMA) intoxication. He was noted to be in severe respiratory distress, required endotracheal intubation in the field and subsequently developed Acute Respiratory Distress Syndrome (ARDS) without other acute organ dysfunction. He was hospitalized for 5days requiring endotracheal intubation and mechanical ventilation...
June 27, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28728637/drinking-location-and-drinking-culture-and-their-association-with-alcohol-use-among-girls-and-boys-in-europe
#11
Bettina Grüne, Daniela Piontek, Pawel Sleczka, Ludwig Kraus, Oliver Pogarell
OBJECTIVE: This study aimed to (a) investigate the relationship between drinking location and adolescent alcohol use, (b) analyze the association of drinking culture indicators with alcohol use, and (c) explore interaction effects of drinking location and drinking culture indicators. METHOD: Analyses were based on the 2011 European School Survey Project on Alcohol and Other Drugs (ESPAD). The analytical sample consisted of 15- to 16-year-old students (N = 36,366; 51...
July 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28728589/occurrence-of-strongyloidiasis-in-privately-owned-and-sheltered-dogs-clinical-presentation-and-treatment-outcome
#12
Paola Paradies, Fabrizio Iarussi, Mariateresa Sasanelli, Antonio Capogna, Riccardo Paolo Lia, Daniele Zucca, Beatrice Greco, Cinzia Cantacessi, Domenico Otranto
BACKGROUND: The increasing number of reports of human infections by Strongyloides stercoralis from a range of European countries over the last 20 years has spurred the interest of the scientific community towards this parasite and, in particular, towards the role that infections of canine hosts may play in the epidemiology of human disease. Data on the epidemiology of canine strongyloidiasis is currently limited, most likely because of the inherent limitations of current diagnostic methods...
July 20, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28728401/research-trends-in-outdoor-pig-production
#13
Hyun-Suk Park, Sang Hyon Oh
Since the industrialization of swine production in the late 1900s, swine farms in the United States, as well as in Europe, have largely become consolidated. Pig farms became larger in size but fewer in number, with 91% of market pigs being produced by large operations with 5,000 or more pigs on-site in the US, and only 3% of the total utilized agricultural land representing organic farming. Such change in the market made it difficult for small farmers to stay competitive, forcing them to find alternative ways to reduce the cost of production and increase profit using the outdoor production system...
July 17, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728088/phthalate-and-non-phthalate-plasticizers-in-indoor-dust-from-childcare-facilities-salons-and-homes-across-the-usa
#14
Bikram Subedi, Kenneth D Sullivan, Birendra Dhungana
The quality of indoor environment has received considerable attention owing to the declining outdoor human activities and the associated public health issues. The prolonged exposure of children in childcare facilities or the occupational exposure of adults to indoor environmental triggers can be a culprit of the pathophysiology of several commonly observed idiopathic syndromes. In this study, concentrations of potentially toxic plasticizers (phthalates as well as non-phthalates) were investigated in 28 dust samples collected from three different indoor environments across the USA...
July 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28726722/comparison-of-the-results-of-studies-of-air-pollution-fungi-using-the-sas-super-100-mas-100-and-air-ideal
#15
Cecylia Łukaszuk, Elżbieta Krajewska-Kułak, Andrzej Guzowski, Wojciech Kułak, Bogumiła Kraszyńska
Although several air sampling devices for identifying and enumerating airborne microorganisms are commercially available, each poses some limitations. The aim of this study was to evaluate air pollution fungi using three such samplers: SAS Super 100, Microbiological Air Sampler (MAS) 100, and Air IDEAL. Mycological air was taken from the cellars of a 17th-century church in Siemiatycze, Poland, and the nearby outdoor environment. With samplers placed 1.5 m above the floor, microbial flora in air samples collected inside and outside the cellar were detected...
July 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28725443/associations-of-short-term-exposure-to-air-pollution-with-respiratory-hospital-admissions-in-arak-iran
#16
Mostafa Vahedian, Narges Khanjani, Moghaddameh Mirzaee, Ali Koolivand
BACKGROUND: Ambient air pollution, is one of the most frequently stated environmental problems. Many epidemiological studies have documented adverse health effects for ambient air pollution. This study aimed to investigate the association between ambient air pollution and respiratory hospital admissions. METHODS: In this ecological time series study data about air pollutant concentrations including CO, NO2, O3, PM2.5, PM10 and SO2 and, respiratory hospital admissions in the urban population of Arak, from January 1st 2010 to December 31st 2015; were inquired, from the Arak Department of Environment, and two major hospitals, respectively...
2017: Journal of Environmental Health Science & Engineering
https://www.readbyqxmd.com/read/28725268/towards-microalgal-triglycerides-in-the-commodity-markets
#17
Giulia Benvenuti, Jesús Ruiz, Packo P Lamers, Rouke Bosma, René H Wijffels, Maria J Barbosa
BACKGROUND: Microalgal triglycerides (TAGs) hold great promise as sustainable feedstock for commodity industries. However, to determine research priorities and support business decisions, solid techno-economic studies are essential. Here, we present a techno-economic analysis of two-step TAG production (growth reactors are operated in continuous mode such that multiple batch-operated stress reactors are inoculated and harvested sequentially) for a 100-ha plant in southern Spain using vertically stacked tubular photobioreactors...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28723190/in-search-of-the-ultimate-benzene-sensor-the-etqxbox-solution
#18
Jakub W Trzciński, Roberta Pinalli, Nicolò Riboni, Alessandro Pedrini, Federica Bianchi, Stefano Zampolli, Ivan Elmi, Chiara Massera, Franco Ugozzoli, Enrico Dalcanale
In this work we report a comprehensive study leading to the fabrication of a prototype sensor for environmental benzene monitoring. The required high selectivity and ppb-level sensitivity are obtained by coupling a silicon-integrated concentration unit containing the specifically designed EtQxBox cavitand to a miniaturized PID detector. In the resulting stand-alone sensor, the EtQxBox receptor acts at the same time as highly sensitive preconcentrator for BTEX and GC-like separation phase, allowing for the selective desorption of benzene over TEX...
April 28, 2017: ACS Sensors
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
#19
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/28719626/impact-of-respiratory-infections-outdoor-pollen-and-socioeconomic-status-on-associations-between-air-pollutants-and-pediatric-asthma-hospital-admissions
#20
Julie E Goodman, Christine T Loftus, Xiaobin Liu, Ke Zu
BACKGROUND: Epidemiology studies have shown that ambient concentrations of ozone and fine particulate matter (PM2.5) are associated with increased emergency department (ED) visits and hospital admissions (HAs) for asthma. OBJECTIVE: Evaluate the impact of outdoor pollen, respiratory infections, and socioeconomic status (SES) on the associations between ambient ozone and PM2.5 and asthma HAs in New York City. METHODS: Daily ozone, PM2.5, meteorological factors, pollen, and hospitalization records during 1999 to 2009 were obtained for New York City residents...
2017: PloS One
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