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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
#1
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/28734264/a-small-scale-portable-method-for-extracting-microplastics-from-marine-sediments
#2
Rachel L Coppock, Matthew Cole, Penelope K Lindeque, Ana M Queirós, Tamara S Galloway
Microplastics (plastic particles, 0.1 μm-5 mm in size) are widespread marine pollutants, accumulating in benthic sediments and shorelines the world over. To gain a clearer understanding of microplastic availability to marine life, and the risks they pose to the health of benthic communities, ecological processes and food security, it is important to obtain accurate measures of microplastic abundance in marine sediments. To date, methods for extracting microplastics from marine sediments have been disadvantaged by complexity, expense, low extraction efficiencies and incompatibility with very fine sediments...
July 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28732339/aryl-and-alkyl-phosphorus-containing-flame-retardants-induced-mitochondrial-impairment-and-cell-death-in-chinese-hamster-ovary-cho-k1-cells
#3
Chao Huang, Na Li, Shengwu Yuan, Xiaoya Ji, Mei Ma, Kaifeng Rao, Zijian Wang
Phosphorus-containing flame retardants (PFRs) are increasingly in demand worldwide as replacements for brominated flame retardants (BFRs), but insufficient available toxicological information on PFRs makes assessing their health risks challenging. Mitochondria are important targets of various environmental pollutants, and mitochondrial dysfunction may lead to many common diseases. In the present study, mitochondria impairment-related endpoints were measured by a high content screening (HCS) assay for 11 selected non-halogen PFRs in Chinese hamster ovary (CHO-k1) cells...
July 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28732304/outbreak-of-salmonella-enteritidis-pt14b-gastroenteritis-at-a-restaurant-in-england-the-use-of-molecular-typing-to-achieve-a-successful-prosecution
#4
C Chatt, D Nicholds-Trainor, A Scrivener, S Suleman, M Harvey, T Dallman, J Hawker, B Sibal
OBJECTIVES: To describe an outbreak of Salmonella enteritidis phage type (PT) 14b in people who had eaten at a restaurant, and the investigation and subsequent prosecution of the food business operator (FBO). STUDY DESIGN: The local health protection team and environmental health department formed an outbreak control team to investigate the outbreak. METHODS: Epidemiological, microbiological, and environmental investigations were undertaken...
July 18, 2017: Public Health
https://www.readbyqxmd.com/read/28732276/sampling-and-single-particle-analysis-for-the-chemical-characterisation-of-fine-atmospheric-particulates-a-review
#5
REVIEW
Michele Elmes, Massimo Gasparon
To better understand the potential environmental and human health impacts of fine airborne particulate matter (APM), detailed physical and chemical characterisation is required. The only means to accurately distinguish between the multiple compositions in APM is by single particle analysis. A variety of methods and instruments are available, which range from filter-based sample collection for off-line laboratory analysis to on-line instruments that detect the airborne particles and generate size distribution and chemical data in real time...
July 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28732062/a-drosophila-model-for-toxicogenomics-genetic-variation-in-susceptibility-to-heavy-metal-exposure
#6
Shanshan Zhou, Sarah E Luoma, Genevieve E St Armour, Esha Thakkar, Trudy F C Mackay, Robert R H Anholt
The genetic factors that give rise to variation in susceptibility to environmental toxins remain largely unexplored. Studies on genetic variation in susceptibility to environmental toxins are challenging in human populations, due to the variety of clinical symptoms and difficulty in determining which symptoms causally result from toxic exposure; uncontrolled environments, often with exposure to multiple toxicants; and difficulty in relating phenotypic effect size to toxic dose, especially when symptoms become manifest with a substantial time lag...
July 21, 2017: PLoS Genetics
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
#7
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/28731859/air-pollution-and-parkinson-s-disease-evidence-and-future-directions
#8
REVIEW
Natalia Palacios
Parkinson's disease (PD) is a neurodegenerative disease of unknown etiology that is thought to be caused by a complex combination of environmental and/or genetic factors. Air pollution exposure is linked to numerous adverse effects on human health, including brain inflammation and oxidative stress, processes that are believed to contribute to the development and progression of PD. This review provides an overview of recent advances in the epidemiology of air pollution and PD, including evidence of the effects of various pollutants (ozone, PM10, PM2...
July 21, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28731797/quantitative-genetic-variation-in-and-environmental-effects-on-pathogen-resistance-and-temperature-dependent-disease-severity-in-a-wild-trout
#9
Paul Vincent Debes, Riho Gross, Anti Vasemägi
Health after pathogen contact varies among individuals because of differences in pathogen load (which is limited by resistance) and disease severity in response to pathogen load (which is limited by tolerance). To understand pathogen-induced host evolution, it is critical to know not only the relative contributions of nongenetic and genetic variation to resistance and tolerance but also how they change environmentally. We quantified nongenetic and genetic variation in parasite load and the associated temperature-dependent disease among trout siblings from two rivers...
August 2017: American Naturalist
https://www.readbyqxmd.com/read/28731440/challenges-and-considerations-related-to-studying-dementia-in-african-americans
#10
Eseosa T Ighodaro, Peter T Nelson, Walter A Kukull, Frederick A Schmitt, Erin L Abner, Allison Caban-Holt, Shoshana H Bardach, Derrick C Hord, Crystal M Glover, Gregory A Jicha, Linda J Van Eldik, Alexander X Byrd, Anita Fernander
Blacks/African Americans have been reported to be ∼2-4 times more likely to develop clinical Alzheimer's disease (AD) compared to Whites. Unfortunately, study design challenges (e.g., recruitment bias), racism, mistrust of healthcare providers and biomedical researchers, confounders related to socioeconomic status, and other sources of bias are often ignored when interpreting differences in human subjects categorized by race. Failure to account for these factors can lead to misinterpretation of results, reification of race as biology, discrimination, and missed or delayed diagnoses...
July 19, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731309/toxicology-of-lead-and-its-damage-to-mammalian-organs
#11
Samuel Caito, Ana Carolina B Almeida Lopes, Monica M B Paoliello, Michael Aschner
The toxicity of lead has been appreciated for centuries. Lead is a commonly used metal in industrialized nations, which results in the release of lead into the environment. Governmental agencies regulate the amount of lead permissible for workers to be exposed to; however, unregulated environmental lead exposure is a high concern. While essential metals have physiologic roles, there are no health benefits from lead intake. In this chapter, we discuss sources of lead exposure, the absorption, distribution, and elimination of lead from the human body, and molecular mechanisms of lead-induced toxicity...
April 10, 2017: Metal Ions in Life Sciences
https://www.readbyqxmd.com/read/28731307/environmental-impact-of-alkyl-lead-iv-derivatives-perspective-after-their-phase-out
#12
Montserrat Filella, Josep Bonet
The use of alkyl lead derivatives as antiknock agents in gasoline can be considered as one of the main pollution disasters of the 20th century because of both the global character of the pollution emitted and the seriousness of the impact on human health. Alkyl lead derivatives in themselves cannot be considered to be persistent pollutants because they readily degrade either before being released from the tailpipes or soon afterwards in the atmosphere. However, the inorganic lead they produced has been deposited in soils all over the planet, largely, but not exclusively in urban areas and along motorways, since the direct emission of lead into the atmosphere favored its dispersal over great distances: The signal of the massive use of alkyl lead derivatives has been found all over the world, including in remote sites such as polar areas...
April 10, 2017: Metal Ions in Life Sciences
https://www.readbyqxmd.com/read/28731291/critical-questions-advancing-the-health-of-female-veterans
#13
Lisa Muirhead, Priscilla Hall, Cedrella Jones-Taylor, Gari D Clifford, Tasha Felton-Williams, Kathy Williams
PURPOSE: Women are the fastest growing Veteran population in the United States and many receive all or part of their health care outside of the Department of Veterans Affairs (VA). The purpose of this article is to review the healthcare issues of women Veterans and discuss implications for care. DATA SOURCES: Review of selected literature, VA resources and guidelines, and expert opinion. CONCLUSIONS: Few providers are aware of the impact military service has on the health of women and fail to ask the all-important question, "Have you served in the military?" Recognizing women's military service can reveal important information that can answer perplexing clinical questions, aid in designing comprehensive plans of care, and enable women to receive the assistance needed to address complex physical and psychosocial issues to improve the quality of their lives...
July 21, 2017: Journal of the American Association of Nurse Practitioners
https://www.readbyqxmd.com/read/28730564/a-new-approach-to-assess-occupational-exposure-to-airborne-fungal-contamination-and-mycotoxins-of-forklift-drivers-in-waste-sorting-facilities
#14
Carla Viegas, Tiago Faria, Ana Cebola de Oliveira, Liliana Aranha Caetano, Elisabete Carolino, Anita Quintal-Gomes, Magdalena Twarużek, Robert Kosicki, Ewelina Soszczyńska, Susana Viegas
The waste management industry is an important employer, and exposure of waste-handling workers to microorganisms is considered an occupational health problem. Besides fungal contamination, it is important to consider the co-occurrence of mycotoxins in this setting. Forklifts with closed cabinet and air conditioner are commonly used in waste industry to transport waste and other products within the facilities, possibly increasing the risk of exposure under certain conditions. The aim of this study was to assess the fungal contamination and mycotoxin levels in filters from the air conditioning system of forklift cabinets, as an indicator to assess occupational exposure of the drivers working in a waste sorting facility...
July 20, 2017: Mycotoxin Research
https://www.readbyqxmd.com/read/28730402/theoretical-perspectives-of-adherence-to-web-based-interventions-a-scoping-review
#15
Cathal Ryan, Michael Bergin, John Sg Wells
PURPOSE: The purpose of this paper is to review the literature as this relates to theoretical perspectives of adherence to web-based interventions, drawing upon empirical evidence from the fields of psychology, business, information technology and health care. METHODS: A scoping review of the literature utilising principles outlined by Arksey and O'Malley was undertaken. RESULTS: Several relevant theoretical perspectives have emerged, eight of which are charted and discussed in this review...
July 20, 2017: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28730383/consensus-modeling-to-develop-the-farmers-market-readiness-assessment-and-decision-instrument
#16
Eunlye Lee, Jarrod Dalton, David Ngendahimana, Pat Bebo, Ashley Davis, Daniel Remley, Carol Smathers, Darcy A Freedman
Nutrition-related policy, system, and environmental (PSE) interventions such as farmers' markets have been recommended as effective strategies for promoting healthy diet for chronic disease prevention. Tools are needed to assess community readiness and capacity factors influencing successful farmers' market implementation among diverse practitioners in different community contexts. We describe a multiphase consensus modeling approach used to develop a diagnostic tool for assessing readiness and capacity to implement farmers' market interventions among public health and community nutrition practitioners working with low-income populations in diverse contexts...
July 20, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28730302/internal-resources-among-informal-caregivers-trajectories-and-associations-with-well-being
#17
Kristin Litzelman, Gina Tesauro, Rebecca Ferrer
PURPOSE: The experiences, skills, and internal resources that informal caregivers bring into their role may play a critical part in their mental health and well-being. This study examined how caregiver internal resources changed over a 10 year period, and how this was related to caregivers' well-being. METHODS: Data are from the Midlife in the United States (MIDUS) study, a national sample of adults, at two time points: 1995-1996 (T1) and 2004-2006 (T2). We identified subjects who reported being a caregiver at T2 and starting care after T1 (mean age = 56; 65% female)...
July 20, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28729132/meclas-an-online-tool-for-hazard-identification-and-classification-of-complex-inorganic-metal-containing-materials
#18
Frederik Verdonck, Hugo Waeterschoot, Patrick Van Sprang, Isabelle Vercaigne, Katrien Delbeke, Chretien Simons, Violaine Verougstraete
MeClas is a web-based tool to generate (eco)toxicity hazard categories and corresponding classification & labelling information of inorganic metal-containing complex materials such as ores, concentrates, intermediates or alloys for which the manual application of the GHS/CLP rules is very complex and requires a high level of consistency. The tool comprises several tiers, aimed at the progressive refinement of classification through recognition of specific mineral content, speciation/mineralogy up to bio-availability corrections...
July 17, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28728557/the-impact-of-illegal-waste-sites-on-a-transmission-of-zoonotic-viruses
#19
Darja Duh, Sandra Hasic, Elena Buzan
BACKGROUND: Illegal waste disposal impacts public health and causes aesthetic and environmental pollution. Waste disposed in places without permitted and controlled facilities can provide a ready source of nutrition and shelter for rodents and thus promote the spread of their ecto- and endoparasites. The presence of two distinct zoonotic viruses, lymphocytic choriomeningitis virus (LCMV) and tick-borne encephalitis virus (TBEV), was searched at illegal waste sites. The aim of this study was to determine the prevalence of infection with both viruses in rodents and to discuss the virus-rodent relations in such environments...
July 20, 2017: Virology Journal
https://www.readbyqxmd.com/read/28728401/research-trends-in-outdoor-pig-production
#20
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
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