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https://www.readbyqxmd.com/read/28432994/assessment-of-temporal-variation-for-the-risk-of-particulate-matters-on-asthma-hospitalization
#1
Hyomi Kim, Honghyok Kim, Yoon-Hyung Park, Jong-Tae Lee
Increased ambient concentration of particulate matters are considered as one of major causes for increased prevalence or exacerbation of asthma or asthma like symptoms. Recently, possible temporal variation in risks of PM on mortality has been suggested. We investigated short-term effect of both PM10 and PM2.5 on asthma hospitalization, and assessed temporal variation of PM risks in Seoul, Korea, 2003-2011. Generalized additive model was used to estimate PM risks on asthma hospitalization with consideration by long-term trend, influenza epidemic, day of week, meteorological factors...
April 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28432989/the-effect-of-natural-ventilation-strategy-on-indoor-air-quality-in-schools
#2
Luca Stabile, Marco Dell'Isola, Aldo Russi, Angelamaria Massimo, Giorgio Buonanno
In order to reduce children's exposure to pollutants in classrooms a proper ventilation strategy need to be adopted. Such strategy is even more important in naturally ventilated schools where the air exchange rate is only based on the manual airing of classrooms. The present work aimed to evaluate the effect of the manual airing strategy on indoor air quality in Italian classrooms. For this aim, schools located in the Central Italy were investigated. Indoor air quality was studied in terms of CO2, particle number and PM concentrations and compared to corresponding outdoor levels...
April 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28432908/particulate-matter-pollution-from-aviation-related-activity-at-a-small-airport-of-the-aegean-sea-insular-region
#3
C Psanis, E Triantafyllou, M Giamarelou, M Manousakas, K Eleftheriadis, G Biskos
The unprecedented growth in aviation during the last years has resulted in a notable increase of local air pollution related to airports. The impacts of aviation on air quality can be extremely high particularly around airports serving remote insular regions with pristine atmospheric environments. Here we report measurements that show how the atmospheric aerosol is affected by the activity at a small airport in a remote region. More specifically, we provide measurements performed at the airport of Mytilene, Greece, a regional yet international airport that serves the entire island of Lesvos; the third largest island of the country...
April 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28431877/synthesis-and-evaluation-of-pyridinium-polyoxometalates-as-anti-hiv-1-agents
#4
Shunyi Wang, Wuji Sun, Qin Hu, Hong Yan, Yi Zeng
The unique properties of polyoxometalates, such as molecular polarity, redox potential, surface charge distribution, shape and acidity, influence their response of recognition to targeted biological macromolecules. By using PM-19 (K7PTi2W10O40) as a lead-compound, a series of novel pyridinium polyoxometalates (A7PTi2W10O40), which hadn't been reported in literatures, were designed and synthesized. The evaluation was conducted using the single-cycle pseudovirus infection assay (TZM-bl assay), CCK-8 method was used for determining the cytotoxicity...
April 8, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28431645/lopez-pm-islam-n-feinberg-a-myers-c-seidl-l-drackett-e-riley-l-mata-a-pinzon-j-benjamin-e-wyka-k-dannefer-r-lopez-j-trinh-shevrin-c-maybank-ka-thorpe-le-a-place-based-community-health-worker-program-feasibility-and-early-outcomes-new-york-city-2015-am-j-prev
#5
https://www.readbyqxmd.com/read/28431513/functional-characterization-of-cucumber-cucumis-sativus-l-clade-v-mlo-genes
#6
Jeroen A Berg, Michela Appiano, Gerard Bijsterbosch, Richard G F Visser, Henk J Schouten, Yuling Bai
BACKGROUND: Powdery mildew (PM) causing fungi are well-known pathogens, infecting over 10.000 plant species, including the economically important crop cucumber (Cucumis sativus L.). Loss-of-function mutations in clade V MLO genes have previously been shown to lead to recessively inherited broad-spectrum resistance to PM in several species. In cucumber, one clade V MLO homolog (CsaMLO8) was previously identified as being a susceptibility factor to PM. Two other closely related homologs (CsaMLO1 and CsaMLO11) were found, but their function was not yet unravelled...
April 21, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28431389/prediction-of-size-fractionated-airborne-particle-bound-metals-using-mlr-bp-ann-and-svm-analyses
#7
Xiang'zi Leng, Jinhua Wang, Haibo Ji, Qin'geng Wang, Huiming Li, Xin Qian, Fengying Li, Meng Yang
Size-fractionated heavy metal concentrations were observed in airborne particulate matter (PM) samples collected from 2014 to 2015 (spanning all four seasons) from suburban (Xianlin) and industrial (Pukou) areas in Nanjing, a megacity of southeast China. Rapid prediction models of size-fractionated metals were established based on multiple linear regression (MLR), back propagation artificial neural network (BP-ANN) and support vector machine (SVM) by using meteorological factors and PM concentrations as input parameters...
April 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28431378/development-of-novel-alternative-biodiesel-fuels-for-reducing-pm-emissions-and-pm-related-genotoxicity
#8
Po-Ming Yang, Chia-Chi Wang, Ying-Chi Lin, Syu-Ruei Jhang, Li-Jung Lin, Yuan-Chung Lin
This paper intend to investigate the effects of biodiesel fuel blends comprising of waste-cooking oil and butanol-diesel (B10W10-B10W40) under steady-state conditions. Both particulate organic carbon (OC) and PM including PM2.5 and PM10 significantly decreased with the increasing percentage of biodiesel fuel blends. The fuel blend of B10W40 also demonstrated the most effective function in reducing the emissions of PM10 and PM2.5 in the volume by 59.4% and 57.7%, respectively. Moreover, the emissions of nitrogen oxides decreased with the blending of B10W10-B10W40 (13...
April 18, 2017: Environmental Research
https://www.readbyqxmd.com/read/28431195/feeding-behavior-and-activity-budget-of-the-southern-yellow-cheeked-crested-gibbons-nomascus-gabriellae-in-a-lowland-tropical-forest
#9
Thanh H Bach, Jin Chen, Minh D Hoang, Kingsly C Beng, Van T Nguyen
The southern yellow-cheeked crested gibbon (Nomascus gabriellae), an endangered species native to Vietnam and Cambodia, lives exclusively in undisturbed tropical forests and depends primarily on ripe fruit for food. Although this species is highly threatened, its ecology and conservation status remain relatively unknown. In order to understand how this heavily frugivorous primate adapts to the seasonal fluctuation of fruit resources in the forest, we collected feeding behavior and ranging activity data on one group of southern yellow-cheeked crested gibbons in Cat Tien National Park, Vietnam, over 1-year period...
April 21, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28431056/long-term-outcome-of-transvenous-pacemaker-implantation-in-infants-a-retrospective-cohort-study
#10
Laura M Vos, Janneke A E Kammeraad, Matthias W Freund, Andreas C Blank, Johannes M P J Breur
Aim: Evaluation of long-term outcome of transvenous pacemaker (PM) implantation in infants. Methods and Results: A retrospective analysis of all transvenous PM implantations in infants <10 kg between September 1997 and October 2001 was made. Indications for PM implantation, age at implantation, and determinants of long-term outcome including cardiac function, PM function, and PM (system) complications were noted. Seven patients underwent transvenous VVI(R) PM implantation...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28431009/artefact-free-late-gadolinium-enhancement-imaging-in-patients-with-implanted-cardiac-devices-using-a-modified-broadband-sequence-current-strategies-and-results-from-a-real-world-patient-cohort
#11
Sebastian Hilbert, Alexander Weber, Kay Nehrke, Peter Börnert, Bernhard Schnackenburg, Sabrina Oebel, Ricardo Spampinato, Cathleen Rogge, Sergio Richter, Gerhard Hindricks, Ingo Paetsch, Cosima Jahnke
Aims: Cardiac magnetic resonance (CMR) imaging in patients with implanted cardiac devices is often limited by device-related imaging artefacts. Limitations can potentially be overcome by employing a broadband late gadolinium enhancement (LGE)-CMR imaging technique. The purpose of this study was to investigate the relationship between implanted cardiac devices and the optimal frequency offset on broadband LGE-CMR imaging to increase the artefact-free visibility of myocardial segments. Methods and results: A phantom study was performed to characterize magnetic field disturbances related to 15 different cardiac devices...
April 18, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28430280/potassium-complexes-supported-by-monoanionic-tetradentate-amino-phenolate-ligands-synthesis-structure-and-catalysis-in-the-ring-opening-polymerization-of-rac-lactide
#12
Chenhui Yao, Yang Yang, Shaoan Xu, Haiyan Ma
A series of potassium complexes bearing monoanionic tetradentate amino-phenolate ligands, [LK]2 (L = {(2-R(1))C6H4CH2N[(CH2)2R(2)]CH2(4-R(4)-6-R(3))C6H2O-}, R(1) = NMe2, R(2) = NEt2, R(3) = CPh3, R(4) = Me (1); R(1) = R(2) = NEt2, R(3) = CPh3, R(4) = Me (2); R(1) = NMe2, R(2) = NEt2, R(3) = R(4) = cumyl (4); R(1) = R(2) = OMe, R(3) = (t)Bu, R(4) = Me (6); L = (2-NMe2)C6H4CH2N[[CH2-(S)-1-butylpyrrolidinyl]CH2(4-Me-6-CPh3)C6H2O-] (3)), have been synthesized via reactions of KN(SiMe3)2 and 1 equiv. of the corresponding aminophenols...
April 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28430235/fiber-bragg-grating-interrogation-using-wavelength-modulated-tunable-distributed-feedback-lasers-and-a-fiber-optic-mach-zehnder-interferometer
#13
Anirban Roy, Arup Lal Chakraborty, Chandan Kumar Jha
This paper demonstrates a technique of high-resolution interrogation of two fiber Bragg gratings (FBGs) with flat-topped reflection spectra centered on 1649.55 nm and 1530.182 nm with narrow line width tunable semiconductor lasers emitting at 1651.93 nm and 1531.52 nm, respectively. The spectral shift of the reflection spectrum in response to temperature and strain is accurately measured with a fiber-optic Mach-Zehnder interferometer that has a free spectral range of 0.0523 GHz and a broadband photodetector...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28430107/superconductivity-and-magnetic-fluctuations-developing-in-the-vicinity-of-strong-first-order-magnetic-transition-in-cras
#14
Hisashi Kotegawa, Kei Matsushima, Shingo Nakahara, Hideki Tou, Jun Kanetoshi, Taihei Nishiwaki, Eiichi Matsuoka, Hitoshi Sugawara, Hisatomo Harima
We report single crystal preparation, resistivity, and nuclear quadrupole resonance (NQR) measurements for new pressure-induced superconductor CrAs. In the first part, we present the difference between crystals made by different thermal sequences and methods, and show the sample dependence of superconductivity in CrAs. In the latter part, we show NQR data focusing the microscopic electronic state at the phase boundary between the helimagnetic (HM) and the paramagnetic (PM) phases. They suggest strongly that a quantum critical point is absent on the pressure-temperature phase diagram of CrAs, because of the strong first-order character of the magnetic transition; however, the spin fluctuations are observed in the PM phase...
April 21, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28429890/prevalence-of-the-reversed-halo-sign-in-neutropenic-patients-compared-with-non-neutropenic-patients-data-from-a-single-centre-study-involving-27-patients-with-pulmonary-mucormycosis-2003-2016
#15
Jessie Bourcier, Pierre-Marie Heudes, Florent Morio, Thomas Gastinne, Patrice Chevallier, Fanny Rialland-Battisti, Claire Garandeau, Isabelle Danner-Boucher, Patrice Le Pape, Eric Frampas, Philippe Moreau, Claire Defrance, Pierre Peterlin
Pulmonary mucormycosis (PM) is a life-threatening infection and the diagnosis can be challenging. The objective was to retrospectively explore the value of the RHS in our cohort of 27 patients with mucormycosis and its relation to neutropenia. This was a retrospective study including all patients with a diagnosis of probable or proven invasive PM according to the 2008 EORTC/MSG criteria between September 2003 to April 2016. Fisher's exact test and Mann-Whitney test, with a P-value statistically significant under ...
April 21, 2017: Mycoses
https://www.readbyqxmd.com/read/28429858/trauma-related-disgust-in-veterans-with-interpersonal-trauma
#16
Jessica Bomyea, Carolyn B Allard
Although traditionally conceptualized as an anxiety disorder, variability in posttraumatic stress disorder (PTSD) may be explained by individual differences in peri- or posttraumatic disgust. We examined relationships between disgust reactions and other trauma-related symptoms in 100 veterans with a history of interpersonal trauma and gender differences in these variables. We also evaluated the mediating role of posttraumatic disgust and guilt in the relationship between peritraumatic disgust and PTSD symptoms...
April 21, 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28429374/immune-response-of-highly-conserved-influenza-a-virus-matrix-1-peptides
#17
Neha Lohia, Manoj Baranwal
Influenza vaccine development is considered to be complicated and challenging. Constantly evolving influenza viruses require continuous global monitoring and reformulation of the vaccine strains. Peptide conserved among different strains and subtypes of influenza A virus are well-thought-out to be attractive targets for development of cross protective influenza vaccine based on cellular response. Three highly conserved (> 90%) matrix 1 peptides ILGFVFTLTVPSERGLQRRRF (PM 1), LIRHENRMVLASTTAKA (PM 2) and LQAYQKRMGVQMQR (PM 3) containing multiple T cell epitopes have been assessed for their immunogenic potential in vitro, subjecting peripheral blood mononuclear cells from healthy volunteers to repetitive stimulation of these chemically synthesised peptides and measuring their interferon (IFN)-γ level and proliferation by ELISA (Enzyme-linked immunosorbent assay) and MTT (3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium bromide) assay, respectively...
April 21, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28428502/white-collar-workers-hemodynamic-responses-during-working-hours
#18
Xinxin Liu, Kazuyuki Iwakiri, Midori Sotoyama
The present study conducted two investigations at a communication center to examine the workers' hemodynamic responses during working hours. The investigation I examined hemodynamic responses on a work day, and the investigation II verified cardiovascular responses on both work and non-work days. Fifteen workers participated in the investigation I, and blood pressure, cardiac output, heart rate, stroke volume, and total peripheral resistance were measured during working hours (from 9 am to 6 pm) on a work day...
April 20, 2017: Industrial Health
https://www.readbyqxmd.com/read/28426984/biomagnetic-monitoring-and-element-content-of-lichen-transplants-in-a-mixed-land-use-area-of-ne-italy
#19
Danijela Kodnik, Aldo Winkler, Fabio Candotto Carniel, Mauro Tretiach
The aim of this study was to verify whether it is possible to discriminate between the different pollution sources present in a mixed land use area of NE Italy on the basis of the magnetic properties and the element content of lichen transplants. Thalli of Pseudevernia furfuracea were collected in a pristine area of the South-Eastern Alps and exposed for 2months in 40 sites located at the knots of a 700m step grid covering ca. 40km(2) of a mosaic of agricultural, forested, industrial and urban areas. In this way, the samples could be analyzed after a defined period of time, and compared to pre-exposure conditions...
April 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28426850/second-primary-malignant-neoplasms-and-survival-in-adolescent-and-young-adult-cancer-survivors
#20
Theresa H M Keegan, Archie Bleyer, Aaron S Rosenberg, Qian Li, Melanie Goldfarb
Importance: Although the increased incidence of second primary malignant neoplasms (SPMs) is a well-known late effect after cancer, few studies have compared survival after an SPM to survival of the same cancer occurring as first primary malignant neoplasm (PM) by age. Objective: To assess the survival impact of SPMs in adolescents and young adults (AYAs) (15-39 years) compared with that of pediatric (<15 years) and older adult (≥40 years) patients with the same SPMs...
April 20, 2017: JAMA Oncology
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