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https://www.readbyqxmd.com/read/28938214/dermal-transfer-and-environmental-release-of-ceo2-nanoparticles-used-as-uv-inhibitors-on-outdoor-surfaces-implications-for-human-and-environmental-health
#1
Justin G Clar, William E Platten, Eric J Baumann, Andrew Remsen, Steve M Harmon, Christina L Bennett-Stamper, Treye A Thomas, Todd P Luxton
A major area of growth for "nano-enabled" consumer products have been surface coatings, including paints stains and sealants. Ceria (CeO2) nanoparticles (NPs) are of interest as they have been used as additives in these these products to increase UV resistance. Currently, there is a lack of detailed information on the potential release, and speciation (i.e., ion vs. particle) of CeO2 NPs used in consumer-available surface coatings during intended use scenarios. In this study, both Micronized-Copper Azole pressure-treated lumber (MCA), and a commercially available composite decking were coated with CeO2 NPs dispersed in Milli-Q water or wood stain...
September 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28938204/natural-outdoor-environments-and-mental-health-stress-as-a-possible-mechanism
#2
Margarita Triguero-Mas, David Donaire-Gonzalez, Edmund Seto, Antònia Valentín, David Martínez, Graham Smith, Gemma Hurst, Glòria Carrasco-Turigas, Daniel Masterson, Magdalena van den Berg, Albert Ambròs, Tania Martínez-Íñiguez, Audrius Dedele, Naomi Ellis, Tomas Grazulevicius, Martin Voorsmit, Marta Cirach, Judith Cirac-Claveras, Wim Swart, Eddy Clasquin, Annemarie Ruijsbroek, Jolanda Maas, Michael Jerret, Regina Gražulevičienė, Hanneke Kruize, Christopher J Gidlow, Mark J Nieuwenhuijsen
INTRODUCTION: Better mental health has been associated with exposure to natural outdoor environments (NOE). However, comprehensive studies including several indicators of exposure and outcomes, potential effect modifiers and mediators are scarce. OBJECTIVES: We used novel, objective measures to explore the relationships between exposure to NOE (i.e. residential availability and contact) and different indicators of mental health, and possible modifiers and mediators...
September 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28937802/epidemiology-of-stress-fractures-in-collegiate-student-athletes-2004-2005-through-2013-2014-academic-years
#3
Katherine H Rizzone, Kathryn E Ackerman, Karen G Roos, Thomas P Dompier, Zachary Y Kerr
CONTEXT:   Stress fractures are injuries caused by cumulative, repetitive stress that leads to abnormal bone remodeling. Specific populations, including female athletes and endurance athletes, are at higher risk than the general athletic population. Whereas more than 460 000 individuals participate in collegiate athletics in the United States, no large study has been conducted to determine the incidence of stress fractures in collegiate athletes. OBJECTIVE:   To assess the incidence of stress fractures in National Collegiate Athletic Association (NCAA) athletes and investigate rates and patterns overall and by sport...
September 22, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28937593/a-new-proxy-measurement-algorithm-with-application-to-the-estimation-of-vertical-ground-reaction-forces-using-wearable-sensors
#4
Yuzhu Guo, Fabio Storm, Yifan Zhao, Stephen A Billings, Aleksandar Pavic, Claudia Mazzà, Ling-Zhong Guo
Measurement of the ground reaction forces (GRF) during walking is typically limited to laboratory settings, and only short observations using wearable pressure insoles have been reported so far. In this study, a new proxy measurement method is proposed to estimate the vertical component of the GRF (vGRF) from wearable accelerometer signals. The accelerations are used as the proxy variable. An orthogonal forward regression algorithm (OFR) is employed to identify the dynamic relationships between the proxy variables and the measured vGRF using pressure-sensing insoles...
September 22, 2017: Sensors
https://www.readbyqxmd.com/read/28937588/robust-dehaze-algorithm-for-degraded-image-of-cmos-image-sensors
#5
Chen Qu, Du-Yan Bi, Ping Sui, Ai-Nong Chao, Yun-Fei Wang
The CMOS (Complementary Metal-Oxide-Semiconductor) is a new type of solid image sensor device widely used in object tracking, object recognition, intelligent navigation fields, and so on. However, images captured by outdoor CMOS sensor devices are usually affected by suspended atmospheric particles (such as haze), causing a reduction in image contrast, color distortion problems, and so on. In view of this, we propose a novel dehazing approach based on a local consistent Markov random field (MRF) framework. The neighboring clique in traditional MRF is extended to the non-neighboring clique, which is defined on local consistent blocks based on two clues, where both the atmospheric light and transmission map satisfy the character of local consistency...
September 22, 2017: Sensors
https://www.readbyqxmd.com/read/28936201/trichoderma-asperelloides-spores-downregulate-dectin1-2-and-tlr2-receptors-of-mice-macrophages-and-decrease-candida-parapsilosis-phagocytosis-independent-of-the-m1-m2-polarization
#6
Andréa G Dos Santos, Érica A Mendes, Rafael P de Oliveira, Ana M C Faria, Aurizangela O de Sousa, Carlos P Pirovani, Fernanda F de Araújo, Andréa T de Carvalho, Marliete Carvalho Costa, Daniel Assis Santos, Quimi V Montoya, Andre Rodrigues, Jane L Dos Santos
The intensive use of pesticides to control pests in agriculture has promoted several issues relating to environment. As chemical pesticides remain controversial, biocontrol agents originating from fungi could be an alternative. Among them, we highlight biocontrol agents derived from the fungi genus Trichoderma, which have been documented in limiting the growth of other phytopathogenic fungus in the roots and leaves of several plant species. An important member of this genus is Trichoderma asperelloides, whose biocontrol agents have been used to promote plant growth while also treating soil diseases caused by microorganisms in both greenhouses and outdoor crops...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28935008/coccidioidomycosis-in-an-indoor-housed-rhesus-macaque-macaca-mulatta
#7
Mila C Kundu, Michael A Ringenberg, Denise L d'Epagnier, Heather L Haag, Sean Maguire
Coccidioides spp. are saprophytic, dimorphic fungi that are endemic to arid climates, are capable of infecting many species, and result in diverse clinical presentations. An indoor-housed laboratory rhesus macaque presented with weight loss and decreased activity and appetite. During the diagnostic evaluation, a bronchiolar-alveolar pattern in the cranial lung lobes, consistent with bronchopneumonia, was noted on radiographs. Given the poor prognosis, the macaque was euthanized. Confirming the radiographic assessment, gross necropsy findings included multifocal to coalescing areas of consolidation in the right and left cranial lung lobes...
October 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28934772/local-and-regional-smokefree-and-tobacco-free-action-in-new-zealand-highlights-and-directions
#8
George Thomson, Nick Wilson
In this viewpoint we highlight and discuss some recent local and regional level advances in tobacco control in Aotearoa/New Zealand. In this country a wide range of local actors are helping drive smokefree and tobacco-free policies, with an increasing presence of businesses in this field. There has been progress in the areas of smokefree dining, large outdoor worksites and ski fields, and parts of downtown areas such as squares and streets. In 2015 and 2016, three councils (Palmerston North, Napier and Hastings) have used pavement lease policies and bylaws to start introducing an element of requirement into smokefree outdoor dining...
September 22, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28934719/exposure-to-road-railway-and-aircraft-noise-and-arterial-stiffness-in-the-sapaldia-study-annual-average-noise-levels-and-temporal-noise-characteristics
#9
Maria Foraster, Ikenna C Eze, Emmanuel Schaffner, Danielle Vienneau, Harris Héritier, Simon Endes, Franziska Rudzik, Laurie Thiesse, Reto Pieren, Christian Schindler, Arno Schmidt-Trucksäss, Mark Brink, Christian Cajochen, Jean Marc Wunderli, Martin Röösli, Nicole Probst-Hensch
BACKGROUND: The impact of different transportation noise sources and noise environments on arterial stiffness remains unknown. OBJECTIVES: We evaluated the association between residential outdoor exposure to annual average road, railway, and aircraft noise levels, total noise intermittency (IR), and total number of noise events (NE) and brachial-ankle pulse wave velocity (baPWV) following a cross-sectional design. METHODS: We measured baPWV (meters/second) in 2,775 participants (49-81 y old) at the second follow-up (2010-2011) of the Swiss Cohort Study on Air Pollution and Lung and Heart Diseases in Adults (SAPALDIA)...
September 7, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28934654/a-case-study-of-air-quality-pesticides-and-odorous-phytochemicals-on-kauai-hawaii-usa
#10
Jun Wang, Robert Boesch, Qing X Li
This study was conducted after a series of incidences occurred at Waimea Canyon Middle School on Kauai, Hawaii. Some students and staff members exhibited symptoms such as throat irritation, tearing, and dizziness. These symptoms could be associated with natural causes or human activities, which include exposures to pesticides and odorous phytochemicals. At the time of the occurrences, Cleome gynandra (known locally as stinkweed) was growing in the fields near the school and might be a potential cause of the reported symptoms...
September 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28934093/combined-prenatal-pesticide-exposure-and-folic-acid-intake-in-relation-to-autism-spectrum-disorder
#11
Rebecca J Schmidt, Vladimir Kogan, Janie F Shelton, Lora Delwiche, Robin L Hansen, Sally Ozonoff, Claudia C Ma, Erin C McCanlies, Deborah H Bennett, Irva Hertz-Picciotto, Daniel J Tancredi, Heather E Volk
BACKGROUND: Maternal folic acid (FA) protects against developmental toxicity from certain environmental chemicals. OBJECTIVE: We examined combined exposures to maternal FA and pesticides in relation to autism spectrum disorder (ASD). METHODS: Participants were California children born from 2000-2007 who were enrolled in the Childhood Autism Risks from Genetics and the Environment (CHARGE) case-control study at age 2-5 y, were clinically confirmed to have ASD (n=296) or typical development (n=220), and had information on maternal supplemental FA and pesticide exposures...
September 8, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28933749/exploiting-concurrent-wake-up-transmissions-using-beat-frequencies
#12
Timo Kumberg, Christian Schindelhauer, Leonhard Reindl
Wake-up receivers are the natural choice for wireless sensor networks because of their ultra-low power consumption and their ability to provide communications on demand. A downside of ultra-low power wake-up receivers is their low sensitivity caused by the passive demodulation of the carrier signal. In this article, we present a novel communication scheme by exploiting purposefully-interfering out-of-tune signals of two or more wireless sensor nodes, which produce the wake-up signal as the beat frequency of superposed carriers...
July 26, 2017: Sensors
https://www.readbyqxmd.com/read/28932681/assessing-neural-tuning-for-object-perception-in-schizophrenia-and-bipolar-disorder-with-multivariate-pattern-analysis-of-fmri-data
#13
Eric A Reavis, Junghee Lee, Jonathan K Wynn, Stephen A Engel, Mark S Cohen, Keith H Nuechterlein, David C Glahn, Lori L Altshuler, Michael F Green
INTRODUCTION: Deficits in visual perception are well-established in schizophrenia and are linked to abnormal activity in the lateral occipital complex (LOC). Related deficits may exist in bipolar disorder. LOC contains neurons tuned to object features. It is unknown whether neural tuning in LOC or other visual areas is abnormal in patients, contributing to abnormal perception during visual tasks. This study used multivariate pattern analysis (MVPA) to investigate perceptual tuning for objects in schizophrenia and bipolar disorder...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28932667/scalable-production-of-mechanically-robust-antireflection-film-for-omnidirectional-enhanced-flexible-thin-film-solar-cells
#14
Min Wang, Pengsha Ma, Min Yin, Linfeng Lu, Yinyue Lin, Xiaoyuan Chen, Wei Jia, Xinmin Cao, Paichun Chang, Dongdong Li
Antireflection (AR) at the interface between the air and incident window material is paramount to boost the performance of photovoltaic devices. 3D nanostructures have attracted tremendous interest to reduce reflection, while the structure is vulnerable to the harsh outdoor environment. Thus the AR film with improved mechanical property is desirable in an industrial application. Herein, a scalable production of flexible AR films is proposed with microsized structures by roll-to-roll imprinting process, which possesses hydrophobic property and much improved robustness...
September 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28932248/opportunities-for-promoting-physical-activity-in-rural-communities-by-understanding-the-interests-and-values-of-community-members
#15
Thomas Park, Amy A Eyler, Rachel G Tabak, Cheryl Valko, Ross C Brownson
PURPOSE: Physical activity (PA) has well-established health benefits, but most Americans do not meet national guidelines. In southeastern Missouri, trails have been developed to increase rates of PA. Although this has had success, broad-scale interventions will be needed to improve rates further. In this study, we surveyed residents of southeastern Missouri to identify ways to improve rates of PA. METHODS: We conducted a telephone survey in 2015 of adults (n = 524) from eight rural Missouri towns that had walking trails, regarding their activities and interests...
2017: Journal of Environmental and Public Health
https://www.readbyqxmd.com/read/28931855/optimizing-the-methodology-for-measuring-supraclavicular-skin-temperature-using-infrared-thermography-implications-for-measuring-brown-adipose-tissue-activity-in-humans
#16
Tahniyah Haq, Justin D Crane, Sarah Kanji, Elizabeth Gunn, Mark A Tarnopolsky, Hertzel C Gerstein, Gregory R Steinberg, Katherine M Morrison
The discovery of brown adipose tissue (BAT) in adults has sparked interest in its role as a therapeutic target in metabolic disorders. Infrared thermography is a promising way to quantify BAT; however, a standardized methodology has not been established. This study aims to establish a standardized and reproducible protocol to measure thermal response to cold in the supraclavicular area using thermographic imaging. In Phase 1, we compared the thermal response to 12 °C cold after acclimation at either 32 °C or room temperature using thermographic imaging...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28930515/changes-in-transportation-related-air-pollution-exposures-by-race-ethnicity-and-socioeconomic-status-outdoor-nitrogen-dioxide-in-the-united-states-in-2000-and-2010
#17
Lara P Clark, Dylan B Millet, Julian D Marshall
BACKGROUND: Disparities in exposure to air pollution by race-ethnicity and by socioeconomic status have been documented in the United States, but the impacts of declining transportation-related air pollutant emissions on disparities in exposure have not been studied in detail. OBJECTIVE: This study was designed to estimate changes over time (2000 to 2010) in disparities in exposure to outdoor concentrations of a transportation-related air pollutant, nitrogen dioxide (NO2), in the United States...
September 14, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28929717/-thunderstorm-and-asthma-outbreaks-during-pollen-season
#18
Maria D'Amato, Isabella Annesi-Maesano, Antonio Molino, Mauro Mormile, Carolina Vitale, Alessandro Vatrella, Alessandro Sanduzzi, Gennaro D'Amato
An increasing body of evidence shows the occurrence of asthma epidemics, sometimes also severe, during thunderstorms in the pollen season in various geographical zones. The main hypothesis explaining association between thunderstorms and asthma claims that thunderstorms can concentrate pollen grains at ground level; these grains may then release allergenic particles of respirable size in the atmosphere after their rupture by osmotic shock. During the first 20-30 minutes of a thunderstorm, patients suffering from pollen allergy may inhale a high concentration of the allergenic material dispersed into the atmosphere, which can, in turn, induce asthmatic reactions, often severe...
May 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28927548/pulmonary-injury-from-waterproofing-spray-during-a-hike
#19
Tomonori Harada, Yukio Hirabayashi, Yuriko Takayama-Isagawa, Hiroto Sakamoto, Makoto Kawaishi, Hiroyuki Hara, Shin Aizawa
A 48-year-old man developed general fatigue, dyspnea, and fever at an altitude of 1562 m from the morning of the first day of a 3-day hike. Despite pharyngeal discomfort and mild general fatigue, he felt that the symptoms were not sufficient to abandon his plan. He usually required 1.5 hours to reach Tokusawa (6.4 km from the starting point at an altitude of 1500 m), but this time he required 2.5 hours and slept briefly upon arrival at Tokusawa due to extreme fatigue and respiratory discomfort. His symptoms became aggravated, so he presented at a mountain clinic with oxygen saturation at 80% and body temperature of 37...
September 15, 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28927433/modelling-the-current-distribution-and-predicted-spread-of-the-flea-species-ctenocephalides-felis-infesting-outdoor-dogs-in-spain
#20
Rosa Gálvez, Vicenzo Musella, Miguel A Descalzo, Ana Montoya, Rocío Checa, Valentina Marino, Oihane Martín, Giuseppe Cringoli, Laura Rinaldi, Guadalupe Miró
BACKGROUND: The cat flea, Ctenocephalides felis, is the most prevalent flea species detected on dogs and cats in Europe and other world regions. The status of flea infestation today is an evident public health concern because of their cosmopolitan distribution and the flea-borne diseases transmission. This study determines the spatial distribution of the cat flea C. felis infesting dogs in Spain. Using geospatial tools, models were constructed based on entomological data collected from dogs during the period 2013-2015...
September 19, 2017: Parasites & Vectors
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