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https://www.readbyqxmd.com/read/29437450/stroboscopic-qubit-measurement-with-squeezed-illumination
#1
A Eddins, S Schreppler, D M Toyli, L S Martin, S Hacohen-Gourgy, L C G Govia, H Ribeiro, A A Clerk, I Siddiqi
Microwave squeezing represents the ultimate sensitivity frontier for superconducting qubit measurement. However, measurement enhancement has remained elusive, in part because integration with standard dispersive readout pollutes the signal channel with antisqueezed noise. Here we induce a stroboscopic light-matter coupling with superior squeezing compatibility, and observe an increase in the final signal-to-noise ratio of 24%. Squeezing the orthogonal phase slows measurement-induced dephasing by a factor of 1...
January 26, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29431129/cohort-profile-lifework-a-prospective-cohort-study-on-occupational-and-environmental-risk-factors-and-health-in-the-netherlands
#2
Marije Reedijk, Virissa Lenters, Pauline Slottje, Anouk Pijpe, Petra H Peeters, Joke C Korevaar, Bas Bueno-de-Mesquita, W M Monique Verschuren, Robert A Verheij, Inka Pieterson, Flora E van Leeuwen, Matti A Rookus, Hans Kromhout, Roel C H Vermeulen
PURPOSE: LIFEWORK is a large federated prospective cohort established in the Netherlands to quantify the health effects of occupational and environmental exposures. This cohort is also the Dutch contribution to the international Cohort Study of Mobile Phone Use and Health (COSMOS). In this paper, we describe the study design, ongoing data collection, baseline characteristics of participants and the repeatability of key questionnaire items. PARTICIPANTS: 88 466 participants were enrolled in three cohort studies in 2011-2012...
February 3, 2018: BMJ Open
https://www.readbyqxmd.com/read/29410460/escaping-the-ashby-limit-for-mechanical-damping-stiffness-trade-off-using-a-constrained-high-internal-friction-interfacial-layer
#3
A P Unwin, P J Hine, I M Ward, M Fujita, E Tanaka, A A Gusev
The development of new materials with reduced noise and vibration levels is an active area of research due to concerns in various aspects of environmental noise pollution and its effects on health. Excessive vibrations also reduce the service live of the structures and limit the fields of their utilization. In oscillations, the viscoelastic moduli of a material are complex and it is their loss part - the product of the stiffness part and loss tangent - that is commonly viewed as a figure of merit in noise and vibration damping applications...
February 6, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29400262/air-pollution-as-a-risk-factor-in-health-impact-assessments-of-a-travel-mode-shift-towards-cycling
#4
Wasif Raza, Bertil Forsberg, Christer Johansson, Johan Nilsson Sommar
BACKGROUND: Promotion of active commuting provides substantial health and environmental benefits by influencing air pollution, physical activity, accidents, and noise. However, studies evaluating intervention and policies on a mode shift from motorized transport to cycling have estimated health impacts with varying validity and precision. OBJECTIVE: To review and discuss the estimation of air pollution exposure and its impacts in health impact assessment studies of a shift in transport from cars to bicycles in order to guide future assessments...
2018: Global Health Action
https://www.readbyqxmd.com/read/29372760/-high-sensitive-non-derivative-determination-of-cyclovirobuxin-d-by-high-performance-liquid-chromatography-electrochemical-determination
#5
Zhen Long, Paul Gamache, Zhimou Guo, Yuanyuan Pan, Liangji Ran, Xiaoda Liu, Yan Jin, Xingguo Liu, Lüye Liu, Lina Liang
A high-performance liquid chromatography-electrochemical detection (HPLC-ECD) method was developed to determine cyclovirobuxin D (CVB-D) levels in tablets and human blood samples. A column with a positive charge-modified C18 stationary phase, C18HCE, was selected to analyze CVB-D, because it provided a sharper and more symmetric peak for CVB-D than conventional C18 stationary phase. Two types of working electrode materials, glassy carbon (GC) and boron-doped diamond (BDD), were evaluated. BDD was found to provide better sensitivity than GC owing to its lower background current and baseline noise...
November 8, 2017: Se Pu, Chinese Journal of Chromatography
https://www.readbyqxmd.com/read/29363949/fluorescence-regulation-of-copper-nanoclusters-via-dna-template-manipulation-toward-design-of-a-high-signal-to-noise-ratio-biosensor
#6
Junyao Li, Wenxin Fu, Jianchun Bao, Zhaoyin Wang, Zhihui Dai
Due to bioaccumulation of food chain and disability of biodegradation, concentration of toxic mercury ions (Hg2+) in the environment dramatically varies from picomolar to micromolar, indicating the importance of well-performed Hg2+ analytical methods. Herein, reticular DNA is constructed by introducing thymine (T)-Hg2+-T nodes in poly(T) DNA, and copper nanoclusters (CuNCs) with aggregate morphology are prepared using this reticular DNA as templates. Intriguingly, the prepared CuNCs exhibit enhanced fluorescence...
January 24, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29361228/a-dna-tracer-system-for-hydrological-environment-investigations
#7
Renkuan Liao, Peiling Yang, Wenyong Wu, Dan Luo, Dayong Yang
To monitor and manage hydrological pollution effectively, tracing sources of pollutants is of great importance and also is in urgent need. A variety of tracers have been developed such as isotopes, silica, bromide and dyes, however practical limitations of these traditional tracers still exist such as lack of multiplexed, multipoint tracing and interference of background noise. To overcome these limitations, a new tracing system based on DNA nanomaterials, namely DNA tracer, has already been developed. DNA tracers possess remarkable advantages including sufficient species, specificity, environmental friendly, stable migration and high sensitivity as well as allowing for multi-points tracing...
January 23, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29358115/long-term-exposure-to-residential-green-and-blue-spaces-and-anxiety-and-depression-in-adults-a-cross-sectional-study
#8
Mireia Gascon, Gonzalo Sánchez-Benavides, Payam Dadvand, David Martínez, Nina Gramunt, Xavier Gotsens, Marta Cirach, Cristina Vert, José Luis Molinuevo, Marta Crous-Bou, Mark Nieuwenhuijsen
BACKGROUND: Although exposure to natural outdoor environments has been consistently associated with improved perceived general health, available evidence on a protective association between this exposure and specific mental health disorders such as depression and anxiety is still limited. OBJECTIVE: The aim of this study was to evaluate the effects of long-term exposure to residential green and blue spaces on anxiety and depression and intake of related medication...
January 19, 2018: Environmental Research
https://www.readbyqxmd.com/read/29342945/hyperspectral-features-of-oil-polluted-sea-ice-and-the-response-to-the-contamination-area-fraction
#9
Bingxin Liu, Ying Li, Chengyu Liu, Feng Xie, Jan-Peter Muller
Researchers have studied oil spills in open waters using remote sensors, but few have focused on extracting reflectance features of oil pollution on sea ice. An experiment was conducted on natural sea ice in Bohai Bay, China, to obtain the spectral reflectance of oil-contaminated sea ice. The spectral absorption index (SAI), spectral peak height (SPH), and wavelet detail coefficient (DWT d5) were calculated using stepwise multiple linear regression. The reflectances of some false targets were measured and analysed...
January 15, 2018: Sensors
https://www.readbyqxmd.com/read/29319421/the-irrelevant-speech-effect-among-younger-and-older-adults-the-influence-of-background-noises-on-reading-comprehension
#10
Dana R Murphy, Helen Bailey, Marlena Pearson, Graham Albert
BACKGROUND: Aging could exacerbate the decreases in cognitive functioning already caused by noise pollution. According to the inhibitory deficit hypothesis, older adults have more difficulty than do younger adults keeping irrelevant information from interfering with processing of relevant information. However, irrelevant speech studies typically fail to support this hypothesis. The present study aimed to quantify the effects of age and noise pollution on reading comprehension. METHODS: Seventeen younger (age 21-29) and 15 older (age 62-77) adults completed a reading task (reading discourse material for a follow-up comprehension test) in the presence of six irrelevant background noise conditions...
January 10, 2018: Experimental Aging Research
https://www.readbyqxmd.com/read/29313308/noise-pollution-and-impact-on-children-health
#11
REVIEW
Alok Gupta, Anant Gupta, Khushbu Jain, Sweta Gupta
With rapid urbanization and life style changes, loud noise is omnipresent and has become a part of life. Indoor and outdoor environmental noise pollution have been documented as a serious health hazard with increasing adverse effects on fetus, infants, children, adolescents and adults. Noise induced hearing loss and non-auditory adverse effects due to noise pollution, are being increasingly diagnosed in all age groups including the fetus. Outdated motorized vehicles, machinery, increasing traffic, congested residential areas, crowded educational institutions and workplaces, unregulated commercial and industrial noise have become a source of noise pollution with long-term disability...
January 9, 2018: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29311304/chronic-anthropogenic-noise-disrupts-glucocorticoid-signaling-and-has-multiple-effects-on-fitness-in-an-avian-community
#12
Nathan J Kleist, Robert P Guralnick, Alexander Cruz, Christopher A Lowry, Clinton D Francis
Anthropogenic noise is a pervasive pollutant that decreases environmental quality by disrupting a suite of behaviors vital to perception and communication. However, even within populations of noise-sensitive species, individuals still select breeding sites located within areas exposed to high noise levels, with largely unknown physiological and fitness consequences. We use a study system in the natural gas fields of northern New Mexico to test the prediction that exposure to noise causes glucocorticoid-signaling dysfunction and decreases fitness in a community of secondary cavity-nesting birds...
January 8, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29310629/the-canadian-urban-environmental-health-research-consortium-a-protocol-for-building-a-national-environmental-exposure-data-platform-for-integrated-analyses-of-urban-form-and-health
#13
Jeffrey R Brook, Eleanor M Setton, Evan Seed, Mahdi Shooshtari, Dany Doiron
BACKGROUND: Multiple external environmental exposures related to residential location and urban form including, air pollutants, noise, greenness, and walkability have been linked to health impacts or benefits. The Canadian Urban Environmental Health Research Consortium (CANUE) was established to facilitate the linkage of extensive geospatial exposure data to existing Canadian cohorts and administrative health data holdings. We hypothesize that this linkage will enable investigators to test a variety of their own hypotheses related to the interdependent associations of built environment features with diverse health outcomes encompassed by the cohorts and administrative data...
January 8, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29304014/environmental-risk-factors-for-developing-type-2-diabetes-mellitus-a-systematic-review
#14
REVIEW
Tashi Dendup, Xiaoqi Feng, Stephanie Clingan, Thomas Astell-Burt
Different elements of the environment have been posited to influence type 2 diabetes mellitus (T2DM). This systematic review summarizes evidence on the environmental determinants of T2DM identified in four databases. It proposes a theoretical framework illustrating the link between environment and T2DM, and briefly discusses some methodological challenges and potential solutions, and opportunities for future research. Walkability, air pollution, food and physical activity environment and roadways proximity were the most common environmental characteristics studied...
January 5, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29295492/on-the-impact-of-anomalous-noise-events-on-road-traffic-noise-mapping-in-urban-and-suburban-environments
#15
Ferran Orga, Francesc Alías, Rosa Ma Alsina-Pagès
Noise pollution is a critical factor affecting public health, the relationship between road traffic noise (RTN) and several diseases in urban areas being especially disturbing. The Environmental Noise Directive 2002/49/EC and the CNOSSOS-EU framework are the main instruments of the European Union to identify and combat noise pollution, requiring Member States to compose and publish noise maps and noise management action plans every five years. Nowadays, the noise maps are starting to be tailored by means of Wireless Acoustic Sensor Networks (WASN)...
December 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29278923/environmental-stressors-and-their-impact-on-health-and-disease
#16
Thomas Münzel, Andreas Daiber
Epidemiological, preclinical and interventional clinical studies have demonstrated that environmental stressors are associated with health problems, namely cardiovascular diseases. According to estimations of the World Health Organization environmental risk factors account for an appreciable part of global deaths and life years spent with disability. This Forum issue addresses the impact of the environmental risk factors traffic noise exposure, air pollution by particulate matter, mental stress / loneliness as well as the life style risk factor (water-pipe) smoking on health and disease with focus on the cardiovascular system...
December 26, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29235135/the-determination-of-polycyclic-aromatic-hydrocarbons-pahs-in-human-urine-by-high-resolution-gas-chromatography-mass-spectrometry
#17
Sung-Hee Cho, Sun-Kyung Lee, Chong Hyeak Kim
Polycyclic aromatic hydrocarbons (PAHs), the organic compounds formed by at least two condensed aromatic rings, are ubiquitous environmental pollutants that are produced by incomplete combustion of organic materials. PAHs have been classified as carcinogen to humans by the International Agency for Research on Cancer (IARC), because they can bind to DNA, causing mutations. Therefore, the levels of PAHs in human urine can be used as an indicator for potential carcinogenesis and cell mutation. The analytical method was developed for the accurate measurement of PAHs in urine using high-resolution gas chromatography-mass spectrometry...
December 12, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29212385/living-environment-and-its-relationship-to-depressive-mood-a-systematic-review
#18
Nina Rautio, Svetlana Filatova, Heli Lehtiniemi, Jouko Miettunen
BACKGROUND AND AIMS: The notion that environment affects mental health has a long history; in this systematic review, we aimed to study whether the living environment is related to depressive mood. METHODS: We searched databases of PubMed, Scopus and Web of Science for population-based original studies prior to October 2016. We included studies that measured depressive symptoms or depression and had measures of urbanization, population density, aesthetics of living environment, house/built environment, green areas, walkability, noise, air pollution or services...
December 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/29212347/oxidative-stress-a-unifying-mechanism-for-cell-damage-induced-by-noise-water-pipe-smoking-and-emotional-stress-therapeutic-strategies-targeting-redox-imbalance
#19
Saeid Golbidi, Huige Li, Ismail Laher
SIGNIFICANCE: Modern technologies have eased our lives but these conveniences can impact our lifestyles in destructive ways. Noise pollution, mental stresses, and smoking (as a stress-relieving solution) are some environmental hazards which affect our well-being and health care budgets. Scrutinizing their pathophysiology could lead to solutions to reduce their harmful effects. Recent advances: Oxidative stress plays an important role in initiating local and systemic inflammation following noise pollution, mental stress, and smoking...
December 6, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29208602/impact-of-london-s-road-traffic-air-and-noise-pollution-on-birth-weight-retrospective-population-based-cohort-study
#20
Rachel B Smith, Daniela Fecht, John Gulliver, Sean D Beevers, David Dajnak, Marta Blangiardo, Rebecca E Ghosh, Anna L Hansell, Frank J Kelly, H Ross Anderson, Mireille B Toledano
Objective To investigate the relation between exposure to both air and noise pollution from road traffic and birth weight outcomes.Design Retrospective population based cohort study.Setting Greater London and surrounding counties up to the M25 motorway (2317 km2), UK, from 2006 to 2010.Participants 540 365 singleton term live births.Main outcome measures Term low birth weight (LBW), small for gestational age (SGA) at term, and term birth weight.Results Average air pollutant exposures across pregnancy were 41 μg/m3 nitrogen dioxide (NO2), 73 μg/m3 nitrogen oxides (NOx), 14 μg/m3 particulate matter with aerodynamic diameter <2...
December 5, 2017: BMJ: British Medical Journal
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