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https://www.readbyqxmd.com/read/28088011/particulates-and-noise-exposure-during-bicycle-bus-and-car-commuting-a-study-in-three-european-cities
#1
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...
January 11, 2017: Environmental Research
https://www.readbyqxmd.com/read/28074559/effects-of-traffic-noise-on-tree-frog-stress-levels-immunity-and-color-signaling
#2
Mathieu Troïanowski, Nathalie Mondy, Adeline Dumet, Caroline Arcanjo, Thierry Lengagne
During the last decade, many studies have focused on the detrimental effects of noise pollution on acoustic communication. Surprisingly, while it is known that noise exposure strongly influences health in humans, studies on wildlife remain scarce. In order to gain insight into the consequences of traffic noise exposure, we experimentally manipulated traffic noise exposure as well as the endocrine status of animals to investigate physiological and phenotypic consequences of noise pollution in an anuran species...
January 11, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28068401/advantages-of-synthetic-noise-and-machine-learning-for-analyzing-radioecological-data-sets
#3
Igor Shuryak
The ecological effects of accidental or malicious radioactive contamination are insufficiently understood because of the hazards and difficulties associated with conducting studies in radioactively-polluted areas. Data sets from severely contaminated locations can therefore be small. Moreover, many potentially important factors, such as soil concentrations of toxic chemicals, pH, and temperature, can be correlated with radiation levels and with each other. In such situations, commonly-used statistical techniques like generalized linear models (GLMs) may not be able to provide useful information about how radiation and/or these other variables affect the outcome (e...
2017: PloS One
https://www.readbyqxmd.com/read/28068283/association-between-noise-pollution-and-prevalent-ischemic-heart-disease
#4
Angel M Dzhambov, Donka D Dimitrova
BACKGROUND: Noise pollution is considered a risk factor for ischemic heart disease (IHD). Both are highly prevalent in Bulgaria, but their association has not been studied sufficiently. AIM: The aim of the present study was to examine the risk of IHD associated with road traffic (Lden) and lifetime occupational noise exposure (LONE) in a Bulgarian sample. MATERIALS AND METHODS: A cross-sectional survey was carried out among 513 residents of Plovdiv, Bulgaria...
December 1, 2016: Folia Medica
https://www.readbyqxmd.com/read/28039198/built-environment-and-health-a-systematic-review-of-studies-in-germany
#5
Maike Schulz, Matthias Romppel, Gesine Grande
OBJECTIVES: Empirical research on the relationship between the built environment and health is increasing at a tremendous pace. However, findings from Anglo-American countries may not apply to the European context. Therefore, we systematically reviewed the existing evidence on the role of the built environment for leading risk factors and health behavior in Germany. METHODS: Through an extensive search via PubMed and Web of Science, using predefined selection criteria, two independent reviewers identified 25 empirical studies...
December 29, 2016: Journal of Public Health
https://www.readbyqxmd.com/read/28036065/design-of-a-mobile-low-cost-sensor-network-using-urban-buses-for-real-time-ubiquitous-noise-monitoring
#6
Rosa Ma Alsina-Pagès, Unai Hernandez-Jayo, Francesc Alías, Ignacio Angulo
One of the main priorities of smart cities is improving the quality of life of their inhabitants. Traffic noise is one of the pollutant sources that causes a negative impact on the quality of life of citizens, which is gaining attention among authorities. The European Commission has promoted the Environmental Noise Directive 2002/49/EC (END) to inform citizens and to prevent the harmful effects of noise exposure. The measure of acoustic levels using noise maps is a strategic issue in the END action plan. Noise maps are typically calculated by computing the average noise during one year and updated every five years...
December 29, 2016: Sensors
https://www.readbyqxmd.com/read/28025512/characteristics-of-the-fiber-laser-sensor-system-based-on-etched-bragg-grating-sensing-probe-for-determination-of-the-low-nitrate-concentration-in-water
#7
Thanh Binh Pham, Huy Bui, Huu Thang Le, Van Hoi Pham
The necessity of environmental protection has stimulated the development of many kinds of methods allowing the determination of different pollutants in the natural environment, including methods for determining nitrate in source water. In this paper, the characteristics of an etched fiber Bragg grating (e-FBG) sensing probe-which integrated in fiber laser structure-are studied by numerical simulation and experiment. The proposed sensor is demonstrated for determination of the low nitrate concentration in a water environment...
December 22, 2016: Sensors
https://www.readbyqxmd.com/read/28012927/role-of-scoparia-dulcis-linn-on-noise-induced-nitric-oxide-synthase-nos-expression-and-neurotransmitter-assessment-on-motor-function-in-wistar-albino-rats
#8
Wankupar Wankhar, Sakthivel Srinivasan, Loganathan Sundareswaran, Dapkupar Wankhar, Ravindran Rajan, Rathinasamy Sheeladevi
Noise pollution is one of the most widespread and fast growing environmental and occupational menaces in the modern era. Exposure to noise above 100dB is not adaptable through the brain homeostatic mechanism. Yet, the detrimental effects of noise have often been ignored. Developing reliable animal models to understand the neurobiology of noise stress and advance our research in the field of medicine to impede this growing stressor is needed. In this study experimental animals were divided into four groups, (i) Control and (ii) S...
December 22, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28008891/defect-free-functionalized-graphene-sensor-for-formaldehyde-detection
#9
Xiaohui Tang, Nathalie Mager, Beatrice Vanhorenbeke, Sophie Hermans, Jean-Pierre Raskin
Graphene has attracted much attention for sensing applications in recent years. Its largest surface-to-volume ratio makes graphene sensors able to potentially detect a single molecule and its extremely high carrier mobility ensures low electrical noise and energy consumption. However, pristine graphene is chemically inert and weakly adsorbs gas molecules, while defective and/or doped graphene has stronger adsorption ability (high sensitivity). The high sensitivity is related to the increased number of defects or traps in graphene where the gas molecules can be readily grafted, changing the sensor resistance...
February 3, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28008392/assessing-the-effect-of-simultaneous-exposure-to-noise-and-cigarette-smoke-on-workers-blood-pressure
#10
Farzane Rahimpour, Ehsan Rafiei Manesh, Lida Jarahi, Saba Eghbali
INTRODUCTION: Noise, as the most common pollutant in the industrial environment, can lead to hearing loss and negatively affect other organs such as the cardiovascular system. Cigarette smoking is a popular habit among some workers, and can also have a negative effect on the cardiovascular system. This study was aimed to investigate the effect of simultaneous exposure to noise and cigarette smoke on the blood pressure of workers at a manufacturing factory. MATERIALS AND METHODS: This cross-sectional study enrolled 604 workers at a steel factory...
November 2016: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28000727/evidence-of-cnidarians-sensitivity-to-sound-after-exposure-to-low-frequency-noise-underwater-sources
#11
Marta Solé, Marc Lenoir, José Manuel Fontuño, Mercè Durfort, Mike van der Schaar, Michel André
Jellyfishes represent a group of species that play an important role in oceans, particularly as a food source for different taxa and as a predator of fish larvae and planktonic prey. The massive introduction of artificial sound sources in the oceans has become a concern to science and society. While we are only beginning to understand that non-hearing specialists like cephalopods can be affected by anthropogenic noises and regulation is underway to measure European water noise levels, we still don't know yet if the impact of sound may be extended to other lower level taxa of the food web...
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27989389/an-environmental-index-of-noise-and-light-pollution-at-eu-by-spatial-correlation-of-quiet-and-unlit-areas
#12
Nefta-Eleftheria P Votsi, Athanasios S Kallimanis, Ioannis D Pantis
Quietness exists in places without human induced noise sources and could offer multiple benefits to citizens. Unlit areas are sites free of human intense interference at night time. The aim of this research is to develop an integrated environmental index of noise and light pollution. In order to achieve this goal the spatial pattern of quietness and darkness of Europe was identified, as well as their overlap. The environmental index revealed that the spatial patterns of Quiet and Unlit Areas differ to a great extent highlighting the importance of preserving quietness as well as darkness in EU...
February 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27975332/traffic-noise-mapping-of-indian-roads-through-smartphone-user-community-participation
#13
Rajiv Kumar, Abhijit Mukherjee, V P Singh
Road traffic noise pollution is a global hazard, and rapid urbanization has aggravated the problem. This paper explores a novel approach which involves a smartphone user community to monitor the prevalent noise. The system involves a client application on smartphones that records noise, processes the information and communicates to a server and shares the information as visual noise levels on Google® Maps. A fuzzy logic-based classification of noise is proposed. Results from residential, commercial, and industrial areas of the northern region of India are demonstrated...
January 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27967131/sequential-motif-profile-of-natural-visibility-graphs
#14
Jacopo Iacovacci, Lucas Lacasa
The concept of sequential visibility graph motifs-subgraphs appearing with characteristic frequencies in the visibility graphs associated to time series-has been advanced recently along with a theoretical framework to compute analytically the motif profiles associated to horizontal visibility graphs (HVGs). Here we develop a theory to compute the profile of sequential visibility graph motifs in the context of natural visibility graphs (VGs). This theory gives exact results for deterministic aperiodic processes with a smooth invariant density or stochastic processes that fulfill the Markov property and have a continuous marginal distribution...
November 2016: Physical Review. E
https://www.readbyqxmd.com/read/27957440/non-auditory-effect-of-noise-pollution-and-its-risk-on-human-brain-activity-in-different-audio-frequency-using-electroencephalogram-complexity
#15
Armin Allahverdy, Amir Homayoun Jafari
BACKGROUND: Noise pollution is one of the most harmful ambiance disturbances. It may cause many deficits in ability and activity of persons in the urban and industrial areas. It also may cause many kinds of psychopathies. Therefore, it is very important to measure the risk of this pollution in different area. METHODS: This study was conducted in the Department of Medical Physics and Biomedical Engineering, Tehran University of Medical Sciences from June to September of 2015, in which, different frequencies of noise pollution were played for volunteers...
October 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27924705/long-term-air-pollution-and-traffic-noise-exposures-and-cognitive-function-a-cross-sectional-analysis-of-the-heinz-nixdorf-recall-study
#16
Lilian Tzivian, Martha Dlugaj, Angela Winkler, Frauke Hennig, Kateryna Fuks, Dorothee Sugiri, Tamara Schikowski, Hermann Jakobs, Raimund Erbel, Karl-Heinz Jöckel, Susanne Moebus, Barbara Hoffmann, Christian Weimar
Investigations of adverse effects of air pollution (AP) and ambient noise on cognitive functions are apparently scarce, and findings seem to be inconsistent. The aim of this study was to examine the associations of long-term exposure to AP and traffic noise with cognitive performance. At the second examination of the population-based Heinz Nixdorf Recall study (2006-2008), cognitive performance was evaluated in 4086 participants. Long-term residential exposure to size-specific particulate matter (PM) and nitrogen oxides (NOx) with land use regression, to and traffic noise (weighted 24-h (LDEN) and nighttime (LNIGHT) means), was assessed according to the European Union (EU) Directive 2002/49/EC...
2016: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/27918422/a-novel-method-for-vertical-acceleration-noise-suppression-of-a-thrust-vectored-vtol-uav
#17
Huanyu Li, Linfeng Wu, Yingjie Li, Chunwen Li, Hangyu Li
Acceleration is of great importance in motion control for unmanned aerial vehicles (UAVs), especially during the takeoff and landing stages. However, the measured acceleration is inevitably polluted by severe noise. Therefore, a proper noise suppression procedure is required. This paper presents a novel method to reduce the noise in the measured vertical acceleration for a thrust-vectored tail-sitter vertical takeoff and landing (VTOL) UAV. In the new procedure, a Kalman filter is first applied to estimate the UAV mass by using the information in the vertical thrust and measured acceleration...
December 2, 2016: Sensors
https://www.readbyqxmd.com/read/27913020/influences-of-combined-traffic-noise-on-anxiety-in-mice
#18
Guoqing Di, Yaqian Xu
With the rapid development of traffic facilities in China, traffic noise pollution is increasingly prominent. This research aims to explore the influences of combined traffic noise on receptors' anxiety. Institute of cancer research mice were exposed to combined traffic noise (CTN) from highway and high-speed railway for 52days, whose day-night equivalent continuous A-weighted sound pressure level (Ldn) was 70dB(A). The impacts of CTN on anxiety were explored by behavior tests and monoamine neurotransmitter assays...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27908054/can-weekly-noise-levels-of-urban-road-traffic-as-predominant-noise-source-estimate-annual-ones
#19
Carlos Prieto Gajardo, Juan Miguel Barrigón Morillas, Guillermo Rey Gozalo, Rosendo Vílchez-Gómez
The effects of noise pollution on human quality of life and health were recognised by the World Health Organisation a long time ago. There is a crucial dilemma for the study of urban noise when one is looking for proven methodologies that can allow, on the one hand, an increase in the quality of predictions, and on the other hand, saving resources in the spatial and temporal sampling. The temporal structure of urban noise is studied in this work from a different point of view. This methodology, based on Fourier analysis, is applied to several measurements of urban noise, mainly from road traffic and one-week long, carried out in two cities located on different continents and with different sociological life styles (Cáceres, Spain and Talca, Chile)...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27902452/high-ambient-noise-levels-in-vadodara-city-india-affected-by-urbanization
#20
Neha Singh, Hitesh Dhiman, Sadaf Shaikh, Purvish Shah, Roma Sarkar, Shashin Patel
The present research was conducted to study the urbanization of Vadodara city and to monitor the ambient noise level in the industrial, commercial, residential and silence zones of the city. A settlement map created by unsupervised classification for the land use and land cover study of Vadodara city clearly shows the increasing pattern of urbanization in its central part, which may be the result of urban sprawl due to migration of people from the rural to the urban areas. The fluctuation in ambient noise level was recorded using an A-weighted sound level meter in all the four zones of Vadodara city for 3 h at regular intervals of 15 min on 3 consecutive days at the same time...
December 1, 2016: Reviews on Environmental Health
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