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https://www.readbyqxmd.com/read/29040943/liquid-chromatography-tandem-mass-spectrometry-direct-injection-analysis-of-organophosphorus-flame-retardants-in-ontario-surface-water-and-wastewater-effluent
#1
Chunyan Hao, Paul A Helm, David Morse, Eric J Reiner
Organophosphorus flame retardants (OPFRs) started to be used in plastics, electronics and furnishings back in the 1960s and became popular again last decade. They are now widely present in the environment and regarded as "new" emerging organic pollutants. An effective liquid chromatography-tandem mass spectrometry (LC-MS/MS) direct injection analysis (DIA) method was developed to monitor OPFR levels in aquatic environment. The removal of sample extraction and concentration steps not only improved operation efficiency, but also reduced the potential contamination commonly observed during the sample preparation process before...
October 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/29040587/does-low-to-moderate-environmental-exposure-to-noise-and-air-pollution-influence-preterm-delivery-in-medium-sized-cities
#2
Marie Barba-Vasseur, Nadine Bernard, Sophie Pujol, Paul Sagot, Didier Riethmuller, Gérard Thiriez, Hélène Houot, Jérôme Defrance, Anne-Sophie Mariet, Vinh-Phuc Luu, Alice Barbier, Eric Benzenine, Catherine Quantin, Frédéric Mauny
Background: Preterm birth (PB) is an important predictor of childhood morbidity and educational performance. Beyond the known risk factors, environmental factors, such as air pollution and noise, have been implicated in PB. In urban areas, these pollutants coexist. Very few studies have examined the effects of multi-exposure on the pregnancy duration. The objective of this study was to analyse the relationship between PB and environmental chronic multi-exposure to noise and air pollution in medium-sized cities...
July 14, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29018491/perception-of-noise-pollution-in-a-youth-and-adults-school-in-curitiba-pr
#3
Orlando Borges Filho, Angela Ribas, Claudia Giglio De Oliveira Gonçalves, Adriana Bender Moreira Lacerda, Renato Riesemberg, Karlin Klagenberg
Introduction  Nowadays noise remains the third largest cause of environmental pollution on Earth. It appears that despite the existing noise control legislation the issue deserves further supervision by the public authorities so that the ceilings established for the various activities are observed. People exposed to noise are more likely to develop numerous auditory and non-auditory problems directly impacting persona family and working life. Objectives  The objective of this study is to research and consequently understand how the population of students of a youth and adult school in Curitiba perceives noise pollution as well as look into the actions that the school adopts in order to guide the students on the topic...
October 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28992989/fully-compatible-and-ultra-sensitive-micellar-electrokinetic-chromatography-tandem-mass-spectrometry-using-sheathless-porous-tip-interfacing
#4
David Moreno-González, Rob Haselberg, Laura Gámiz-Gracia, Ana M García-Campaña, Gerhardus J de Jong, Govert W Somsen
The on-line coupling of micellar electrokinetic chromatography and mass spectrometry (MEKC-MS) is often hampered by incompatibility problems leading to reduced separation performance and unfavorable limits of detection (LODs). Here we propose a new selective and highly sensitive MEKC-MS/MS method employing a sheathless porous-tip interface in combination with a micellar phase comprised of semi-volatile surfactant molecules. Carbamate pesticides (CRBs) were selected as representative model compounds being neutral toxic pollutants potentially present at trace levels in environmental water samples...
October 3, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28991956/noise-and-light-pollution-in-the-hospital-a-call-for-action
#5
Biren B Kamdar, Jennifer L Martin, Dale M Needham
No abstract text is available yet for this article.
October 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/28976899/community-noise-exposure-and-its-effect-on-blood-pressure-and-renal-function-in-patients-with-hypertension-and-cardiovascular-disease
#6
Angel M Dzhambov, Mariya P Tokmakova, Penka D Gatseva, Nikolai G Zdravkov, Dolina G Gencheva, Nevena G Ivanova, Krasimir I Karastanev, Stefka V Vladeva, Aleksandar T Donchev, Svetlan M Dermendzhiev
BACKGROUND: Road traffic noise (RTN) is a risk factor for cardiovascular disease (CVD) and hypertension; however, few studies have looked into its association with blood pressure (BP) and renal function in patients with prior CVD. AIM: This study aimed to explore the effect of residential RTN exposure on BP and renal function in patients with CVD from Plovdiv Province. MATERIALS AND METHODS: We included 217 patients with ischemic heart disease and/or hypertension from three tertiary hospitals in the city of Plovdiv (March - May 2016)...
September 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28964208/a-miniature-hopkinson-experiment-device-based-on-multistage-reluctance-coil-electromagnetic-launch
#7
Wenkai Huang, Shi Huan, Ying Xiao
A set of seven-stage reluctance miniaturized Hopkinson bar electromagnetic launcher has been developed in this paper. With the characteristics of high precision, small size, and little noise pollution, the device complies with the requirements of miniaturized Hopkinson bar for high strain rate. The launcher is a seven-stage accelerating device up to 65.5 m/s. A high performance microcontroller is used to control accurately the discharge of capacitor sets, by means of which the outlet velocity of the projectile can be controlled within a certain velocity range...
September 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28961469/urban-residential-greenspace-and-mental-health-in-youth-different-approaches-to-testing-multiple-pathways-yield-different-conclusions
#8
Angel Dzhambov, Terry Hartig, Iana Markevych, Boris Tilov, Donka Dimitrova
BACKGROUND: Urban greenspace can benefit mental health through multiple mechanisms. They may work together, but previous studies have treated them as independent. OBJECTIVES: We aimed to compare single and parallel mediation models, which estimate the independent contributions of different paths, to several models that posit serial mediation components in the pathway from greenspace to mental health. METHODS: We collected cross-sectional survey data from 399 participants (15-25 years of age) in the city of Plovdiv, Bulgaria...
September 26, 2017: Environmental Research
https://www.readbyqxmd.com/read/28959678/in-vivo-immunoprotective-role-of-indigofera-tinctoria-and-scoparia-dulcis-aqueous-extracts-against-chronic-noise-stress-induced-immune-abnormalities-in-wistar-albino-rats
#9
Boothapandi Madakkannu, Ramanibai Ravichandran
Indigofera tinctoria and Scoparia dulcis are being widely used in Indian folk medicine for the treatment of various disorders. Environmental noise pollution is thought to be an important factor for many health problems and it causes immune abnormalities. In the present study immune-regulating potential of I. tinctoria and S. dulcis aqueous extracts on innate and adaptive immune system of wistar albino rats was evaluated during normal and chronic noise induced stress conditions. The results demonstrated that both I...
2017: Toxicology Reports
https://www.readbyqxmd.com/read/28954915/anthropogenic-noise-pollution-from-pile-driving-disrupts-the-structure-and-dynamics-of-fish-shoals
#10
James E Herbert-Read, Louise Kremer, Rick Bruintjes, Andrew N Radford, Christos C Ioannou
Noise produced from a variety of human activities can affect the physiology and behaviour of individual animals, but whether noise disrupts the social behaviour of animals is largely unknown. Animal groups such as flocks of birds or shoals of fish use simple interaction rules to coordinate their movements with near neighbours. In turn, this coordination allows individuals to gain the benefits of group living such as reduced predation risk and social information exchange. Noise could change how individuals interact in groups if noise is perceived as a threat, or if it masked, distracted or stressed individuals, and this could have impacts on the benefits of grouping...
September 27, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28953453/long-term-exposure-to-road-traffic-noise-and-nitrogen-dioxide-and-risk-of-heart-failure-a-cohort-study
#11
Mette Sørensen, Olav Wendelboe Nielsen, Ahmad Sajadieh, Matthias Ketzel, Anne Tjønneland, Kim Overvad, Ole Raaschou-Nielsen
BACKGROUND: Although air pollution and road traffic noise have been associated with higher risk of cardiovascular diseases, associations with heart failure have received only little attention. OBJECTIVES: We aimed to investigate whether long-term exposure to road traffic noise and nitrogen dioxide (NO2) were associated with incident heart failure. METHODS: In a cohort of 57,053 people 50-64 y of age at enrollment in the period 1993-1997, we identified 2,550 cases of first-ever hospital admission for heart failure during a mean follow-up time of 13...
September 26, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28939124/daily-air-quality-index-forecasting-with-hybrid-models-a-case-in-china
#12
Suling Zhu, Xiuyuan Lian, Haixia Liu, Jianming Hu, Yuanyuan Wang, Jinxing Che
Air quality is closely related to quality of life. Air pollution forecasting plays a vital role in air pollution warnings and controlling. However, it is difficult to attain accurate forecasts for air pollution indexes because the original data are non-stationary and chaotic. The existing forecasting methods, such as multiple linear models, autoregressive integrated moving average (ARIMA) and support vector regression (SVR), cannot fully capture the information from series of pollution indexes. Therefore, new effective techniques need to be proposed to forecast air pollution indexes...
September 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28934721/association-of-long-term-exposure-to-transportation-noise-and-traffic-related-air-pollution-with-the-incidence-of-diabetes-a-prospective-cohort-study
#13
Charlotte Clark, Hind Sbihi, Lillian Tamburic, Michael Brauer, Lawrence D Frank, Hugh W Davies
BACKGROUND: Evidence for an association between transportation noise and cardiovascular disease has increased; however, few studies have examined metabolic outcomes such as diabetes or accounted for environmental coexposures such as air pollution, greenness, or walkability. OBJECTIVES: Because diabetes prevalence is increasing and may be on the causal pathway between noise and cardiovascular disease, we examined the influence of long-term residential transportation noise exposure and traffic-related air pollution on the incidence of diabetes using a population-based cohort in British Columbia, Canada...
August 31, 2017: Environmental Health Perspectives
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
#14
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/28933756/a-disposable-amperometric-sensor-based-on-high-performance-pedot-pss-ionic-liquid-nanocomposite-thin-film-modified-screen-printed-electrode-for-the-analysis-of-catechol-in-natural-water-samples
#15
Francis D Krampa, Yaw Aniweh, Gordon A Awandare, Prosper Kanyong
A conducting polymer-based composite material of poly(3,4-ethylenedioxythiophene) (PEDOT): poly(4-styrenesulfonate) (PSS) doped with different percentages of a room temperature ionic liquid (IL), 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMIM][BF₄]), was prepared and a very small amount of the composite (2.0 µL) was drop-coated on the working area of a screen-printed carbon electrode (SPCE). The SPCE, modified with PEDOT:PSS/IL composite thin-film, was characterized by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), scanning electron microscopy (SEM), profilometry and sessile contact angle measurements...
July 26, 2017: Sensors
https://www.readbyqxmd.com/read/28932499/evaluation-of-noise-pollution-level-in-the-operating-rooms-of-hospitals-a-study-in-iran
#16
Masoumeh Dorri Giv, Karim Ghazikhanlou Sani, Majid Alizadeh, Ali Valinejadi, Hesamedin Askari Majdabadi
INTRODUCTION: Noise pollution in the operating rooms is one of the remaining challenges. Both patients and physicians are exposed to different sound levels during the operative cases, many of which can last for hours. This study aims to evaluate the noise pollution in the operating rooms during different surgical procedures. MATERIALS AND METHODS: In this cross-sectional study, sound level in the operating rooms of Hamadan University-affiliated hospitals (totally 10) in Iran during different surgical procedures was measured using B&K sound meter...
June 2017: Interventional Medicine & Applied Science
https://www.readbyqxmd.com/read/28917129/residential-road-traffic-noise-and-general-mental-health-in-youth-the-role-of-noise-annoyance-neighborhood-restorative-quality-physical-activity-and-social-cohesion-as-potential-mediators
#17
Angel Dzhambov, Boris Tilov, Iana Markevych, Donka Dimitrova
Given the ubiquitous nature of both noise pollution and mental disorders, their alleged association has not escaped the spotlight of public health research. The effect of traffic noise on mental health is probably mediated by other factors, which have not been elucidated sufficiently. Herein, we aimed to disentangle the pathways linking road traffic noise to general mental health in Bulgarian youth, with a focus on several candidate mediators - noise annoyance, perceived restorative quality of the living environment, physical activity, and neighborhood social cohesion...
September 13, 2017: Environment International
https://www.readbyqxmd.com/read/28894994/mining-noise-affects-loud-call-structures-and-emission-patterns-of-wild-black-fronted-titi-monkeys
#18
M H L Duarte, M C Kaizer, R J Young, M Rodrigues, R S Sousa-Lima
Anthropogenic noise pollution is increasing and can constrain acoustic communication in animals. Our aim was to investigate if the acoustic parameters of loud calls and their diurnal pattern in the black-fronted titi monkey (Callicebus nigrifrons) are affected by noise produced by mining activity in a fragment of Atlantic Forest in Brazil. We installed two passive acoustic monitoring devices to record sound 24 h/day, 7 days every 2 months, for a year; one unit was close to an opencast mine and the other 2...
September 11, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28892786/gestational-diabetes-mellitus-and-exposure-to-ambient-air-pollution-and-road-traffic-noise-a-cohort-study
#19
Marie Pedersen, Sjurdur F Olsen, Thorhallur I Halldorsson, Cuilin Zhang, Dorrit Hjortebjerg, Matthias Ketzel, Charlotta Grandström, Mette Sørensen, Peter Damm, Jens Langhoff-Roos, Ole Raaschou-Nielsen
BACKGROUND: Road traffic is a main source of air pollution and noise. Both exposures have been associated with type 2 diabetes, but associations with gestational diabetes mellitus (GDM) have been studied less. OBJECTIVES: We aimed to examine single and joint associations of exposure to air pollution and road traffic noise on GDM in a prospective cohort. METHODS: We identified GDM cases from self-reports and hospital records, using two different criteria, among 72,745 singleton pregnancies (1997-2002) from the Danish National Birth Cohort...
September 8, 2017: Environment International
https://www.readbyqxmd.com/read/28874680/prenatal-noise-stress-impairs-hpa-axis-and-cognitive-performance-in-mice
#20
Zahra Jafari, Jogender Mehla, Bryan E Kolb, Majid H Mohajerani
Noise stress is a common environmental pollutant whose adverse effect on offspring performance has been less studied. This study was novel in terms of using "noise" as a prenatal stress compared with physical stress to explore the effect of stress during gestation on HPA axis activation, cognitive performance, and motor coordination, as well as in investigating the effect of behavioral assessments on the corticosterone (CORT) levels. Three groups of C57BL/6 mice with a gestational history of either noise stress (NS), physical stress (PS), or no stress were examined in several behavioral tests...
September 5, 2017: Scientific Reports
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