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https://www.readbyqxmd.com/read/28735445/characterizing-prolonged-heat-effects-on-mortality-in-a-sub-tropical-high-density-city-hong-kong
#1
Hung Chak Ho, Kevin Ka-Lun Lau, Chao Ren, Edward Ng
Extreme hot weather events are likely to increase under future climate change, and it is exacerbated in urban areas due to the complex urban settings. It causes excess mortality due to prolonged exposure to such extreme heat. However, there is lack of universal definition of prolonged heat or heat wave, which leads to inadequacies of associated risk preparedness. Previous studies focused on estimating temperature-mortality relationship based on temperature thresholds for assessing heat-related health risks but only several studies investigated the association between types of prolonged heat and excess mortality...
July 22, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28735233/a-model-system-to-mimic-environmentally-active-surface-film-roughness-and-hydrophobicity
#2
Jacob S Grant, Scott K Shaw
This work presents the development and initial assessment of a laboratory platform to allow quantitative studies on model urban films. The platform consists of stearic acid and eicosane mixtures that are solution deposited from hexanes onto smooth, solid substrates. We show that this model has distinctive capabilities to better mimic a naturally occurring film's morphology and hydrophobicity, two important parameters that have not previously been incorporated into model film systems. The physical and chemical properties of the model films are assessed using a variety of analytical instruments...
July 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28735204/developing-an-ecosystem-model-of-a-floating-wetland-for-water-quality-improvement-on-a-stormwater-pond
#3
Brendan McAndrew, Changwoo Ahn
An ecosystem model was developed to assist with designing and implementing a floating wetland (FW) for water quality management of urban stormwater ponds, focusing on nitrogen (N) removal. The model is comprised of three linked submodels: hydrology, plant growth, and nitrogen. The model was calibrated with the data that resulted from a FW constructed and implemented as part of an interdisciplinary pedagogical project on a university campus, titled "The Rain Project", which raised awareness of stormwater issues while investigating the potential application of green infrastructure for sustainable stormwater management...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735150/inverse-relationship-between-urban-green-space-and-childhood-autism-in-california-elementary-school-districts
#4
Jianyong Wu, Laura Jackson
Green space has a variety of health benefits. However, little is known about its impact on autism, the fastest-growing neurodevelopmental disorder in children. This study examined the relationship between green space and childhood autism prevalence. Autism count data in 2010 were obtained for 543 of ~560 public elementary school districts in California. Multiple types of green space were measured in each school district, including percentages of forest, grassland, and average tree canopy and near-road tree canopy...
July 20, 2017: Environment International
https://www.readbyqxmd.com/read/28734598/segregation-and-mortality-over-time-and-space
#5
Trevon D Logan, John M Parman
Few studies have been able to measure the evolution of segregation on health disparities or assess whether those disparities existed in rural communities prior to the Great Migration of African Americans to urban centers. We use a newly developed measure of historical racial residential segregation based on individual-level data. The measure exploits complete census manuscript files to identify the races of next-door neighbors. This measure is the first and only measure of historical segregation for rural communities, allowing us to greatly extend the empirical analysis of the effects of racial segregation on health over space and time...
July 10, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28734496/endometrial-cancer-surveillance-adherence-reduces-utilization-and-subsequent-costs
#6
Zachary P Schwartz, Melissa K Frey, Sarah Philips, John P Curtin
OBJECTIVES: In June 2011, the SGO recommended that physical exam and symptoms be the primary surveillance methods in patients with endometrial cancer. We sought to evaluate adherence to these guidelines by comparing the use of CT scans, paps and serum CA125 ordered for endometrial cancer surveillance before and after publication of these guidelines. METHODS: A retrospective review was performed for all patients undergoing surveillance for endometrial cancer at a single institution between June 2009 and June 2013...
July 19, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28734266/air-quality-and-health-effects-of-biogenic-volatile-organic-compounds-emissions-from-urban-green-spaces-and-the-mitigation-strategies
#7
Yuan Ren, Zelong Qu, Yuanyuan Du, Ronghua Xu, Danping Ma, Guofu Yang, Yan Shi, Xing Fan, Akira Tani, Peipei Guo, Ying Ge, Jie Chang
Biogenic volatile organic compounds (BVOCs) emissions lead to fine particulate matter (PM2.5) and ground-level ozone pollution, and are harmful to human health, especially in urban areas. However, most BVOCs estimations ignored the emissions from urban green spaces, causing inaccuracies in the understanding of regional BVOCs emissions and their environmental and health effects. In this study, we used the latest local vegetation datasets from our field survey and applied an estimation model to analyze the spatial-temporal patterns, air quality impacts, health damage and mitigating strategies of BVOCs emissions in the Greater Beijing Area...
July 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28734215/dna-damage-and-cytotoxicity-induced-on-common-carp-by-pollutants-in-water-from-an-urban-reservoir-mad%C3%A3-n-reservoir-a-case-study
#8
I Pérez-Coyotl, C Martínez-Vieyra, M Galar-Martínez, L M Gómez-Oliván, S García-Medina, H Islas-Flores, R Pérez-Pasten Borja, E Gasca-Pérez, K A Novoa-Luna, O Dublán-García
Madín Reservoir provides a substantial amount of drinking water to two municipalities close to Mexico City metropolitan area. However, it receives untreated wastewater discharges from domestic sources in the towns of Nuevo Madín and others, as well as diverse pollutants which are hauled by the Río Tlalnepantla from its upper reaches, so that the xenobiotics in the reservoir are highly diverse in terms of type and quantity. Previous studies showed that MR is contaminated with xenobiotics such as Al, Hg and Fe, as well as NSAIDs, at concentrations exceeding the limits established for aquatic life protection...
July 18, 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/28733563/prevalence-factors-influencing-and-knowledge-about-adherence-to-lipid-lowering-therapy-among-hyperlipidemia-patients
#10
N K Devaraj, M Mohamed, N Hussein
BACKGROUND: Hyperlipidaemia is a significant risk factor for cardiovascular disease. However, adherence to lipidlowering therapy is often unsatisfactory due to a combination of patient factors, therapy, socio-economic and health system-related factors. AIMS: to identify the prevalence of adherence to lipidlowering therapy, the factors contributing to non-adherence and knowledge regarding hyperlipidaemia and its' treatment among Malaysian patients with hyperlipidemia...
June 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28733300/exploring-the-relationship-between-frequent-internet-use-and-health-and-social-care-resource-use-in-a-community-based-cohort-of-older-adults-an-observational-study-in-primary-care
#11
Caroline S Clarke, Jeff Round, Stephen Morris, Kalpa Kharicha, John Ford, Jill Manthorpe, Steve Iliffe, Claire Goodman, Kate Walters
OBJECTIVES: Given many countries' ageing populations, policymakers must consider how to mitigate or reduce health problems associated with old age, within budgetary constraints. Evidence of use of digital technology in delaying the onset of illness and reducing healthcare service use is mixed, with no clear consensus as yet. Our aim was to investigate the relationship between frequent internet use and patterns of health or social care resource use in primary care attendees who took part in a study seeking to improve the health of older adults...
July 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28733153/unsettling-moods-in-rural-midwifery-practice
#12
Susan Crowther, Liz Smythe, Deb Spence
BACKGROUND: Rural midwifery and maternity care is vulnerable due to geographical isolation, staffing recruitment and retention. Highlighting the concerns within rural midwifery is important for safe sustainable service delivery. METHOD: Hermeneutic phenomenological study undertaken in New Zealand (NZ). 13 participants were recruited in rural regions through snowball technique and interviewed. Transcribed interview data was interpretively analysed. Findings are discussed through the use of philosophical notions and related published literature...
July 18, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/28733128/dance-for-health-an-intergenerational-program-to-increase-access-to-physical-activity
#13
Krista Schroeder, Sarah J Ratcliffe, Adriana Perez, David Earley, Cory Bowman, Terri H Lipman
PURPOSE: The purpose of this study was to evaluate Dance for Health, an intergenerational program to increase access to physical activity in an underserved, high risk urban community. DESIGN AND METHODS: Dance for Health was developed using community-based participatory research methods and evaluated using an observational study design. The program entailed two hour line dancing sessions delivered by trained dance instructors in the neighborhood recreation center...
July 18, 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28732400/solar-photocatalytic-disinfection-of-agricultural-pathogenic-fungi-curvularia-sp-in-real-urban-wastewater
#14
Yelitza Aguas, Margarita Hincapie, Pilar Fernández-Ibáñez, María Inmaculada Polo-López
The interest in developing alternative water disinfection methods that increase the access to irrigation water free of pathogens for agricultural purposes is increasing in the last decades. Advanced Oxidation Processes (AOPs) have been demonstrated to be very efficient for the abatement of several kind of pathogens in contaminated water. The purpose of the current study was to evaluate and compare the capability of several solar AOPs for the inactivation of resistant spores of agricultural fungi. Solar photoassisted H2O2, solar photo-Fenton at acid and near-neutral pH, and solar heterogeneous photocatalysis using TiO2, with and without H2O2, have been studied for the inactivation of spores of Curvularia sp...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732396/role-of-dams-in-the-phase-transfer-of-antibiotics-in-an-urban-river-receiving-wastewater-treatment-plant-effluent
#15
Xiaoyu Guo, Chenghong Feng, Jianhong Zhang, Chenhao Tian, Jingling Liu
Dams are universally constructed to change hydrodynamic forces and impound water in urban rivers, but few efforts have been made to expound the impact of dams on the transport of antibiotics in rivers. In this study, the main object and focus was to elucidate the intercept effect of rubber dam and the gate dam on the sediment-water phase redistribution of eight typical antibiotics along an urban river with the water replenished from wastewater treatment plants (WWTPs). The results show that the eight antibiotics were widely detected in the whole river segment, and the WWTPs were found to be the main sources...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732338/toxic-organic-substances-and-marker-compounds-in-size-segregated-urban-particulate-matter-implications-for-involvement-in-the-in%C3%A2-vitro-bioactivity-of-the-extractable-organic-matter
#16
Athanasios Besis, Alexandra Tsolakidou, Dimitra Balla, Constantini Samara, Dimitra Voutsa, Anastasia Pantazaki, Theodora Choli-Papadopoulou, Theodore S Lialiaris
Toxic organic substances and polar organic marker compounds, i.e. polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), polybrominated diphenyl ethers (PBDEs), polycyclic aromatic hydrocarbons (PAHs) and their nitro-derivatives (N-PAHs), as well as dicarboxylic acids (DCAs) and sugars/sugar anhydrites (S/SAs) were analyzed in size-segregated PM samples (<0.49, 0.49-0.97, 0.97-3 and >3 μm) collected at two urban sites (urban traffic and urban background) during the cold and the warm season...
July 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28732336/using-machine-learning-to-identify-air-pollution-exposure-profiles-associated-with-early-cognitive-skills-among-u-s-children
#17
Jeanette A Stingone, Om P Pandey, Luz Claudio, Gaurav Pandey
Data-driven machine learning methods present an opportunity to simultaneously assess the impact of multiple air pollutants on health outcomes. The goal of this study was to apply a two-stage, data-driven approach to identify associations between air pollutant exposure profiles and children's cognitive skills. Data from 6900 children enrolled in the Early Childhood Longitudinal Study, Birth Cohort, a national study of children born in 2001 and followed through kindergarten, were linked to estimated concentrations of 104 ambient air toxics in the 2002 National Air Toxics Assessment using ZIP code of residence at age 9 months...
July 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28732293/investigation-of-the-wash-off-process-using-an-innovative-portable-rainfall-simulator-allowing-continuous-monitoring-of-flow-and-turbidity-at-the-urban-surface-outlet
#18
Saja Al Ali, Céline Bonhomme, Philippe Dubois, Ghassan Chebbo
Development of appropriate models, based on an in-depth understanding of the wash-off process, is essential to accurately estimating pollutant loads transported by stormwater, thereby minimizing environmental contamination. To this end, we developed an innovative rainfall simulator, which simulated an intense rainfall (120mm/h) and permitted the acquisition of runoff samples as well as the in situ monitoring of continuous flow and turbidity dynamics. Relationships between deposited sediments and total suspended solids in simulated runoff were thus investigated on two different types of surfaces within the Paris region in terms of loads and particle size distribution...
July 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732033/spatial-and-simultaneous-representative-seroprevalence-of-anti-toxoplasma-gondii-antibodies-in-owners-and-their-domiciled-dogs-in-a-major-city-of-southern-brazil
#19
Aline do Nascimento Benitez, Felippe Danyel Cardoso Martins, Marcelle Mareze, Nelson Jessé Rodrigues Santos, Fernanda Pinto Ferreira, Camila Marinelli Martins, João Luis Garcia, Regina Mitsuka-Breganó, Roberta Lemos Freire, Alexander Welker Biondo, Italmar Teodorico Navarro
Toxoplasmosis, caused by Toxoplasma gondii, has traditionally been considered an important water and foodborne protozoonosis with important public health considerations. Although felids play a well-established role as definitive hosts, canine epidemiological involvement in the parasite's life cycle remains questionable and controversial. The increasing closeness of the human-dog bond, particularly seen in urban settings, has been recognized as a historically unprecedented worldwide movement. Sharing daily lives in the same households, dogs may be exposed to similar associated risks of T...
2017: PloS One
https://www.readbyqxmd.com/read/28732016/maternal-residential-proximity-to-unconventional-gas-development-and-perinatal-outcomes-among-a-diverse-urban-population-in-texas
#20
Kristina W Whitworth, Amanda K Marshall, Elaine Symanski
OBJECTIVE: To assess associations between unconventional natural gas development (UGD) and perinatal outcomes. METHODS: We conducted a retrospective birth cohort study among 158,894 women with a birth or fetal death from November 30, 2010-November 29, 2012 in the Barnett Shale, in North Texas. We constructed three UGD-activity metrics by calculating the inverse distance-weighted sum of active wells within three separate geographic buffers surrounding the maternal residence: ≤½, 2, or 10-miles...
2017: PloS One
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