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https://www.readbyqxmd.com/read/28334645/long-term-residential-road-traffic-noise-and-no2-exposure-in-relation-to-risk-of-incident-myocardial-infarction-a-danish-cohort-study
#1
Nina Roswall, Ole Raaschou-Nielsen, Matthias Ketzel, Anders Gammelmark, Kim Overvad, Anja Olsen, Mette Sørensen
BACKGROUND: Road traffic is a source of both air pollution and noise; two environmental hazards both found to increase the risk of ischemic heart disease. Given the high correlation between these pollutants, it is important to investigate combined effects, in relation to myocardial infarction (MI). METHODS: Among 50,744 middle-aged Danes enrolled into the Diet, Cancer and Health cohort from 1993 to 97, we identified 2403 cases of incident MI during a median follow-up of 14...
March 20, 2017: Environmental Research
https://www.readbyqxmd.com/read/28302261/cities-and-mental-health
#2
Oliver Gruebner, Michael A Rapp, Mazda Adli, Ulrike Kluge, Sandro Galea, Andreas Heinz
BACKGROUND: More than half of the global population currently lives in cities, with an increasing trend for further urbanization. Living in cities is associated with increased population density, traffic noise and pollution, but also with better access to health care and other commodities. METHODS: This review is based on a selective literature search, providing an overview of the risk factors for mental illness in urban centers. RESULTS: Studies have shown that the risk for serious mental illness is generally higher in cities compared to rural areas...
February 24, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28289557/acoustic-monitoring-indicates-a-correlation-between-calling-and-spawning-in-captive-spotted-seatrout-cynoscion-nebulosus
#3
Eric W Montie, Matt Hoover, Christopher Kehrer, Justin Yost, Karl Brenkert, Tim O'Donnell, Michael R Denson
BACKGROUND: Fish sound production is widespread throughout many families. Territorial displays and courtship are the most common reasons for fish sound production. Yet, there is still some questions on how acoustic signaling and reproduction are correlated in many sound-producing species. In the present study, our aim was to determine if a quantitative relationship exists between calling and egg deposition in captive spotted seatrout (Cynoscion nebulosus). This type of data is essential if passive acoustics is to be used to identify spawning aggregations over large spatial scales and monitor reproductive activity over annual and decadal timeframes...
2017: PeerJ
https://www.readbyqxmd.com/read/28287441/cumulative-risk-assessment-in-the-lorraine-region-a-framework-to-characterize-environmental-health-inequalities
#4
Julien Caudeville, Despoina Ioannidou, Emmanuelle Boulvert, Roseline Bonnard
The study explores spatial data processing methods and the associated impact on the characterization and quantification of a combined health risk indicator at a regional scale and at fine resolution. To illustrate the methodology of combining multiple publicly available data sources, we present a case study of the Lorraine region (France), where regional stakeholders were involved in the global procedures for data collection and organization. Different indicators are developed by combining technical approaches for assessing and characterizing human health exposure to chemical substances (in soil, air and water) and noise risk factors...
March 10, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28287097/a-novel-microwave-induced-plasma-ionization-source-for-ion-mobility-spectrometry
#5
Jianxiong Dai, Zhongjun Zhao, Gaoling Liang, Yixiang Duan
This work demonstrates the application of a novel microwave induced plasma ionization (MIPI) source to ion mobility spectrometry (IMS). The MIPI source, called Surfatron, is composed of a copper cavity and a hollow quartz discharge tube. The ion mobility spectrum of synthetics air has a main peak with reduced mobility of 2.14 cm(2)V(-1)s(-1) for positive ion mode and 2.29 cm(2)V(-1)s(-1) for negative ion mode. The relative standard deviations (RSD) are 0.7% and 1.2% for positive and negative ion mode, respectively...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28284944/citizen-sensor-networks-to-confront-government-decision-makers-two-lessons-from-the-netherlands
#6
Linda Carton, Peter Ache
This paper presents one emerging social-technical innovation: The evolution of citizen-sensor-networks where citizens organize themselves from the 'bottom up', for the sake of confronting governance officials with measured information about environmental qualities. We have observed how citizen-sensor-networks have been initiated in the Netherlands in cases where official government monitoring and business organizations leave gaps. The formed citizen-sensor-networks collect information about issues that affect the local community in their quality-of-living...
March 9, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28273798/investigation-into-the-effect-of-atmospheric-particulate-matter-pm2-5-and-pm10-concentrations-on-gps-signals
#7
Lawrence Lau, Jun He
The Global Positioning System (GPS) has been widely used in navigation, surveying, geophysical and geodynamic studies, machine guidance, etc. High-precision GPS applications such as geodetic surveying need millimeter and centimeter level accuracy. Since GPS signals are affected by atmospheric effects, methods of correcting or eliminating ionospheric and tropospheric bias are needed in GPS data processing. Relative positioning can be used to mitigate the atmospheric effect, but its efficiency depends on the baseline lengths...
March 3, 2017: Sensors
https://www.readbyqxmd.com/read/28254708/the-relationship-between-natural-outdoor-environments-and-cognitive-functioning-and-its-mediators
#8
Wilma L Zijlema, Margarita Triguero-Mas, Graham Smith, Marta Cirach, David Martinez, Payam Dadvand, Mireia Gascon, Marc Jones, Christopher Gidlow, Gemma Hurst, Daniel Masterson, Naomi Ellis, Magdalena van den Berg, Jolanda Maas, Irene van Kamp, Peter van den Hazel, Hanneke Kruize, Mark J Nieuwenhuijsen, Jordi Julvez
BACKGROUND: Urban residents may experience cognitive fatigue and little opportunity for mental restoration due to a lack of access to nature. Natural outdoor environments (NOE) are thought to be beneficial for cognitive functioning, but underlying mechanisms are not clear. OBJECTIVES: To investigate the long-term association between NOE and cognitive function, and its potential mediators. METHODS: This cross-sectional study was based on adult participants of the Positive Health Effects of the Natural Outdoor Environment in Typical Populations in Different Regions in Europe (PHENOTYPE) project...
February 27, 2017: Environmental Research
https://www.readbyqxmd.com/read/28252936/fluorescence-approach-for-the-determination-of-fluorescent-dissolved-organic-matter
#9
Chen Qian, Long-Fei Wang, Wei Chen, Yan-Shan Wang, Xiao-Yang Liu, Hong Jiang, Han-Qing Yu
Excitation-emission matrix (EEM) fluorescence spectroscopy coupled with parallel factor (PARAFAC) analysis has been widely applied to characterize dissolved organic matter (DOM) in aquatic and terrestrial systems. However, its application in environmental samples is limited because PARAFAC is not able to handle nontrilinear EEM data, leading to the overestimated number of components and incorrect decomposition results. In this work, a new method, parallel factor framework-clustering analysis (PFFCA), is proposed to resolve this problem...
March 14, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28249525/note-a-temperature-stable-low-noise-transimpedance-amplifier-for-microcurrent-measurement
#10
Kai Xie, Xueyou Shi, Kai Zhao, Lixin Guo, Hanlu Zhang
Temperature stability and noise characteristics often run contradictory in microcurrent (e.g., pA-scale) measurement instruments because low-noise performance requires high-value resistors with relatively poor temperature coefficients. A low-noise transimpedance amplifier with high-temperature stability, which involves an active compensation mechanism to overcome the temperature drift mainly caused by high-value resistors, is presented. The implementation uses a specially designed R-2R compensating network to provide programmable current gain with extra-fine trimming resolution...
February 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28248974/the-effect-of-randomised-exposure-to-different-types-of-natural-outdoor-environments-compared-to-exposure-to-an-urban-environment-on-people-with-indications-of-psychological-distress-in-catalonia
#11
Margarita Triguero-Mas, Christopher J Gidlow, David Martínez, Jeroen de Bont, Glòria Carrasco-Turigas, Tania Martínez-Íñiguez, Gemma Hurst, Daniel Masterson, David Donaire-Gonzalez, Edmund Seto, Marc V Jones, Mark J Nieuwenhuijsen
INTRODUCTION: Experimental studies have reported associations between short-term exposure to natural outdoor environments (NOE) and health benefits. However, they lack insight into mechanisms, often have low external and ecological validity, and have rarely focused on people with some psycho-physiological affection. The aim of this study was to use a randomized, case-crossover design to investigate: (i) the effects of unconstrained exposure to real natural and urban environments on psycho-physiological indicators of people with indications of psychological distress, (ii) the possible differential effects of 30 and 30+180 minutes exposures, and (iii) the possible mechanisms explaining these effects...
2017: PloS One
https://www.readbyqxmd.com/read/28215088/mechanistic-modeling-of-genetic-circuits-for-arsr-arsenic-regulation
#12
Yves Berset, Davide Merulla, Aurélie Joublin, Vassily Hatzimanikatis, Jan R van der Meer
Bioreporters are living cells that generate an easily measurable signal in the presence of a chemical compound. They acquire their functionality from synthetic gene circuits, the configuration of which defines the response signal and signal-to-noise ratio. Bioreporters based on the Escherichia coli ArsR system have raised significant interest for quantifying arsenic pollution, but they need to be carefully optimized to accurately work in the required low concentration range (1-10 μg arsenite L(-1)). To better understand the general functioning of ArsR-based genetic circuits, we developed a comprehensive mechanistic model that was empirically tested and validated in E...
February 24, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28170099/light-and-noise-pollution-interact-to-disrupt-interspecific-interactions
#13
Taegan A McMahon, Jason R Rohr, Ximena E Bernal
Studies on the consequences of urbanization often examine the effects of light, noise, and heat pollution independently on isolated species providing a limited understanding of how these combined stressors affect species interactions. Here, we investigate how these factors interact to affect parasitic frog-biting midges (Corethrella spp.) and their túngara frog (Engystomops pustulosus) hosts. A survey of túngara frog calling sites revealed that frog abundance was not significantly correlated with urbanization, light, noise, or temperature...
February 7, 2017: Ecology
https://www.readbyqxmd.com/read/28162761/acoustic-and-economic-analysis-of-the-use-of-palm-tree-pruning-waste-in-noise-barriers-to-mitigate-the-environmental-impact-of-motorways
#14
Tomas Gil-Lopez, Manuel Medina-Molina, Amparo Verdu-Vazquez, Basilio Martel-Rodriguez
This research has a twofold environmental benefit. On the one hand, there is the recycling of a waste by-product and, on the other hand, the reduction of traffic noise pollution levels. The objective of this study is to determine and evaluate the use of a mixture of shredded palm tree pruning waste with dampened topsoil in the construction of noise barriers. With a view to efficiently recycling pruning waste and using an environmentally-friendly material which does not pose any environmental risks at the end of its useful life, the composition offering the best sound absorption has been analyzed...
April 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28158401/air-pollution-and-traffic-noise-effect-on-blood-pressure
#15
A Tofield
No abstract text is available yet for this article.
January 7, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28153414/anthropogenic-noise-alters-dwarf-mongoose-responses-to-heterospecific-alarm-calls
#16
Amy Morris-Drake, Anna M Bracken, Julie M Kern, Andrew N Radford
Anthropogenic noise is an evolutionarily novel and widespread pollutant in both terrestrial and aquatic habitats. Despite increasing evidence that the additional noise generated by human activities can affect vocal communication, the majority of research has focused on the use of conspecific acoustic information, especially sexual signals. Many animals are known to eavesdrop on the alarm calls produced by other species, enhancing their likelihood of avoiding predation, but how this use of heterospecific information is affected by anthropogenic noise has received little empirical attention...
April 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28152457/numerical-investigations-of-flow-and-passive-pollutant-exposure-in-high-rise-deep-street-canyons-with-various-street-aspect-ratios-and-viaduct-settings
#17
Lejian He, Jian Hang, Xuemei Wang, Borong Lin, Xiaohui Li, Guangdong Lan
Vehicular pollutant exposure of residents and pedestrians in high-rise deep street canyons with viaducts and noise barriers requires special concerns because the ventilation capacity is weak and the literature reported inconsistent findings on flow patterns as aspect ratios (building height/street width, H/W) are larger than 2. By conducting computational fluid dynamics (CFD) simulations coupled with the intake fraction iF and the daily pollutant exposure Et, this paper investigates the impact of street aspect ratios, viaducts and noise barriers on the flow and vehicular passive pollutant exposure in full-scale street canyons (H/W=1-6, W=24m)...
April 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28115332/do-perceived-job-insecurity-and-annoyance-due-to-air-and-noise-pollution-predict-incident-self-rated-poor-health-a-prospective-analysis-of-independent-and-joint-associations-using-a-german-national-representative-cohort-study
#18
Natalie Riedel, Adrian Loerbroks, Gabriele Bolte, Jian Li
BACKGROUND: Current economic and social change has contributed to increasing job insecurity and traffic-related pollution in residential areas. Both job insecurity and exposure to noise and air pollution are known determinants of population health and can concur in peoples' lives. This may hold true particularly for socially disadvantaged subpopulations. Nevertheless, the potential independent and joint links of those exposures to health have been rarely examined so far. We aimed to contribute to the scarce body of evidence...
January 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28108343/noise-elicits-hematological-stress-parameters-in-mediterranean-damselfish-chromis-chromis-perciformes-a-mesocosm-study
#19
Mirella Vazzana, Monica Celi, Vincenzo Arizza, Giampiero Calandra, Giuseppa Buscaino, Vincenzo Ferrantelli, Claudia Bracciali, Gianluca Sarà
In the last few decades, technological developments and the widespread rise of anthropic activities have increased the exposure of organisms to noise pollution, thus evoking great interest in its biological effects, particularly on the immune system. The aim of the present work was to investigate some of the biochemical parameters in the blood of Chromis chromis (Linnaeus, 1758) following in vivo exposure to noise levels of 200 and 300 Hz. Our results revealed that, compared to the control specimens, the fish exposed to noise had significantly increased levels of stress biomarkers such as glucose, lactate and total proteins in plasma, as well as a rise in the expression of heat shock protein 70 (HSP70)...
January 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28088011/particulates-and-noise-exposure-during-bicycle-bus-and-car-commuting-a-study-in-three-european-cities
#20
Enembe O Okokon, Tarja Yli-Tuomi, Anu W Turunen, Pekka Taimisto, Arto Pennanen, Ilias Vouitsis, Zissis Samaras, Marita Voogt, Menno Keuken, Timo Lanki
BACKGROUND: In order to curb traffic-related air pollution and its impact on the physical environment, contemporary city commuters are encouraged to shift from private car use to active or public transport modes. However, personal exposures to particulate matter (PM), black carbon and noise during commuting may be substantial. Therefore, studies comparing exposures during recommended modes of transport versus car trips are needed. METHODS: We measured personal exposure to various-sized particulates, soot, and noise during commuting by bicycle, bus and car in three European cities: Helsinki in Finland, Rotterdam in the Netherlands and Thessaloniki in Greece using portable monitoring devices...
April 2017: Environmental Research
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