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https://www.readbyqxmd.com/read/29036730/calculation-and-validation-of-the-response-matrix-for-a-neutron-multisphere-spectrometer-with-an-indium-central-detector
#1
P Vlk, M Pavlovic
Expansion of accelerator technologies into different application areas brings the need for neutron-field measurements in their vicinity. The measurements of neutron energy spectra and neutron dose rates can be done with the aid of neutron multisphere spectrometers with passive neutron detectors. In addition to the usually used thermoluminescent detectors and gold activation foils, another activation material-indium-can be considered. This paper presents a design of such an indium-based neutron multisphere spectrometer...
September 23, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29036228/factors-associated-to-acceptable-treatment-adherence-among-children-with-chronic-kidney-disease-in-guatemala
#2
Brooke M Ramay, Alejandro Cerón, Luis Pablo Méndez-Alburez, Randall Lou-Meda
Pediatric patients with Chronic Kidney Disease face several barriers to medication adherence that, if addressed, may improve clinical care outcomes. A cross sectional questionnaire was administered in the Foundation for Children with Kidney Disease (FUNDANIER, Guatemala City) from September of 2015 to April of 2016 to identify the predisposing factors, enabling factors and need factors related to medication adherence. Sample size was calculated using simple random sampling with a confidence level of 95%, confidence interval of 0...
2017: PloS One
https://www.readbyqxmd.com/read/29035772/effect-of-lignite-on-alleviation-of-salt-toxicity-in-soybean-glycine-max-l-plants
#3
Salar Farhangi-Abriz, Neda Nikpour-Rashidabad
Salt toxicity of agricultural land is a natural phenomenon which is due to agricultural irrigation. This toxicity is harmful to crop productivity via increasing oxidative stress products. In a factorial controlled trial, four levels of lignite-enriched soil (soil lignite content: none, 50, 75 and 100 g kg(-1)) were exposed to three levels of soil salinity (0, 5 and 10 dS m(-1) NaCl). Then reactive oxygen species (ROS) generation (hydrogen peroxide and superoxide radical), lipid peroxidation, antioxidant enzymes activities (peroxidase, catalase and super oxide dismutase), proline, glycine betaine, soluble sugars and soluble protein contents of soybean plants were compared across different lignite concentration and saline toxicity...
October 12, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29035598/rpe-during-concentric-and-eccentric-cycling-are-we-measuring-effort-or-exertion
#4
Luis Peñailillo, Karen Mackay, Chris R Abbiss
Despite the terms often being used interchangeably it has been suggested that perceptions of effort and perceptions of exertion may differ. Eccentric cycling may provide a model of exercise by which differences between these perceptions can be examined. PURPOSE: of this study was to examine and compare perceptions of effort and exertion during eccentric and concentric cycling at four intensities. METHODS: Ten healthy male participants (mean ± SD; age: 29.8 ± 2...
October 16, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29034904/structural-magnetic-and-electronic-properties-of-pulsed-laser-deposition-grown-srfeo-sub-3-%C3%AE-sub-thin-films-and-srfeo-sub-3-%C3%AE-sub-la-sub-2-3-sub-ca-sub-1-3-sub-mno-sub-3-sub-multilayers
#5
Edith Perret, Kaushik Sen, Jarji Khmaladze, Ben Mallett, Meghdad Yazdi-Rizi, Premysl Marsik, Saikat Das, Ivan Marozau, Miguel Uribe-Laverde, Roberto de Andrés Prada, J Strempfer, Max Doebeli, Neven Biskup, Maria Varela, Yves-Laurent Mathis, Christian Bernhard
We studied the structural, magnetic and electronic properties of SrFeO<sub>3-δ</sub> (SFO) thin films and SrFeO<sub>3-δ</sub> /La<sub>2/3</sub>Ca<sub>1/3</sub>MnO<sub>3</sub> (LCMO) superlattices that have been grown with pulsed laser deposition (PLD) on La<sub>0.3</sub>Sr<sub>0.7</sub>Al<sub>0.65</sub>Ta<sub>0.35</sub>O<sub>3</sub> (LSAT) substrates. X-ray reflectometry and scanning transmission electron microscopy (STEM) confirm the high structural quality of the films and flat and atomically sharp interfaces of the superlattices...
October 16, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29034285/data-on-chow-liver-tissue-and-mitochondrial-fatty-acid-compositions-as-well-as-mitochondrial-proteome-changes-after-feeding-mice-a-western-diet-for-6-24-weeks
#6
Claudia Einer, Simon Hohenester, Ralf Wimmer, Lena Wottke, Renate Artmann, Sabine Schulz, Christian Gosmann, Alisha Simmons, Christin Leitzinger, Carola Eberhagen, Sabine Borchard, Sabine Schmitt, Stefanie M Hauck, Christine von Toerne, Martin Jastroch, Ellen Walheim, Christian Rust, Alexander L Gerbes, Bastian Popper, Doris Mayr, Max Schnurr, Angelika M Vollmar, Gerald Denk, Hans Zischka
The data presented in this article describe the fatty acid composition of chow, liver tissue and isolated liver mitochondria from mice fed for 6-24 weeks with a high caloric western diet (WD) in comparison to control diet (normal diet, ND). The fatty acid composition was measured via gas chromatography flame ionization detection (GC-FID). Moreover, WD-induced mitochondrial protein changes are presented in this work and were analyzed by mass spectrometry (LC-MS/MS). For further interpretation and discussion of the presented data please refer to the research article entitled "Mitochondrial adaptation in steatotic mice" (Einer et al...
December 2017: Data in Brief
https://www.readbyqxmd.com/read/29033490/carbon-dioxide-emission-intensity-in-climate-projections-comparing-the-observational-record-to-socio-economic-scenarios
#7
Felix Pretis, Max Roser
The wide spread of projected temperature changes in climate projections does not predominately originate from uncertainty across climate models; instead it is the broad range of different global socio-economic scenarios and the implied energy production that results in high uncertainty about future climate change. It is therefore important to assess the observational tracking of these scenarios. Here we compare these socio-economic scenarios created in both 1992 and 2000 against the recent observational record to investigate the coupling of economic growth and fossil-fuel CO2 emissions...
September 15, 2017: Energy: Technologies, Resources, Reserves, Demands, Impact, Conservation, Management, Policy
https://www.readbyqxmd.com/read/29033168/rocky-shoreline-protocols-miss-microplastics-in-marine-debris-surveys-fogo-island-newfoundland-and-labrador
#8
Matt McWilliams, Max Liboiron, Yolanda Wiersma
Most anthropogenic marine debris shoreline studies are conducted on sandy shores, rather than rocky coastlines. We amended a standardized protocol for monitoring marine debris on a high-loading beach composed of small rocks and cobbles in Newfoundland, Canada. Our protocol had two parts: we conducted stratified sampling to a depth of ~20cm below the surface of the rocks (standing survey), and surveyed accumulation of items on the surface of rocks every other day (loading survey). We found the vast majority of smaller items were below the surface...
October 12, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/29033161/impact-of-a-socio-educational-intervention-to-improve-the-quality-of-life-of-patients-with-fibromyalgia-a-quasi-experimental-design
#9
Susanna Torres Belmonte, Narly Benachi Sandoval
OBJECTIVE: To evaluate the impact of a socio-educational intervention to improve the quality of life of patients with fibromyalgia. METHOD: Out of 132 eligible candidates, 128 patients participated with a diagnosis of fibromyalgia (ACR 1990/2010), over 18 years of age, who did not have cognitive problems or mental disorders in acute phase and lived in the catchment area of the participating CAPs. The patients underwent intervention for 5 weeks to strengthen self-management of pain and improve quality of life...
October 13, 2017: Enfermería Clínica
https://www.readbyqxmd.com/read/29032826/the-effect-of-internal-roughness-and-bonding-on-the-fracture-resistance-and-structural-reliability-of-lithium-disilicate-ceramic
#10
Paul de Kok, Gabriel K R Pereira, Sara Fraga, Niek de Jager, Andressa B Venturini, Cornelis J Kleverlaan
OBJECTIVE: To evaluate the effect of internal roughness and bonding on the load to failure and structural reliability (Weibull analysis) of a lithium disilicate-based glass ceramic under different testing scenarios. METHODS: IPS e.max CAD blocks (Ivoclar Vivadent AG) were shaped into cylinders (N=100), crystalized according to the manufacturer's instructions, and randomly assigned into two surface conditions: (1) polished surface (600-grit SiC polish papers), and (2) a roughened surface (air-abrasion with 50μm Al2O3)...
October 9, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29032237/hospital-charges-and-length-of-stay-following-radical-cystectomy-in-the-eras-era
#11
Alice Semerjian, Niv Milbar, Max Kates, Michael A Gorin, Hiten D Patel, Heather J Chalfin, Steven M Frank, Christopher L Wu, William W Yang, Deb Hobson, Lindsay Robertson, Elizabeth Wick, Mark P Schoenberg, Phillip M Pierorazio, Michael H Johnson, C J Stimson, Trinity J Bivalacqua
OBJECTIVE: To report our center's experience with Enhanced Recovery after Surgery (ERAS) pathway for radical cystectomy (RC), specifically evaluating complications, LOS, 30- and 90-day readmissions, and hospital charges. Pathways of this type have been shown to decrease length of stay (LOS) and post-operative ileus. However, concerns persist that ERAS is costly and increases readmissions. To date, limited studies have evaluated these concerns. MATERIALS AND METHODS: Our ERAS protocol was implemented for RC in December 2015...
October 12, 2017: Urology
https://www.readbyqxmd.com/read/29031762/sleep-and-cognitive-performance-cross-sectional-associations-in%C3%A2-the%C3%A2-uk-biobank
#12
Simon D Kyle, Claire E Sexton, Bernd Feige, Annemarie I Luik, Jacqueline Lane, Richa Saxena, Simon G Anderson, David A Bechtold, William Dixon, Max A Little, David Ray, Dieter Riemann, Colin A Espie, Martin K Rutter, Kai Spiegelhalder
OBJECTIVE: The relationship between insomnia symptoms and cognitive performance is unclear, particularly at the population level. We conducted the largest examination of this association to date through analysis of the UK Biobank, a large population-based sample of adults aged 40-69 years. We also sought to determine associations between cognitive performance and self-reported chronotype, sleep medication use and sleep duration. METHODS: This cross-sectional, population-based study involved 477,529 participants, comprising 133,314 patients with frequent insomnia symptoms (age: 57...
October 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29031479/the-optimum-chest-compression-site-with-regard-to-heart-failure-demonstrated-by-computed-tomography
#13
Keunha Hwang, Sung-Bin Chon, Jung Gi Im
BACKGROUND: To determine the optimum chest compression site during cardiopulmonary resuscitation (CPR) with regard to heart failure (HF) by applying three-dimensional (3D) coordinates on computed tomography (CT). METHODS: This retrospective, cross-sectional study involved adults who underwent echocardiography and CT on the same day from 2007 to 2017. Incomplete CT images or information on HF, cardiac medication between echocardiography and CT, or thoracic abnormalities were excluded...
July 13, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29029301/attractiveness-of-host-plants-at-different-growth-stage-to-kudzu-bug-megacopta-cribraria-heteroptera-plataspidae-behavioral-responses-to-whole-plant-and-constitutive-volatiles
#14
L Yang, X P Hu, E van Santen, X N Zeng
The kudzu bug, Megacopta cribraria (Fabricius), is an invasive pest of soybeans, Glycine max (L.) Merr., that has recently been detected in the United States. This study investigated whether there was a differential attraction of adult bugs to soybean growth stages, and whether the attraction was related to soybean constitutive volatiles. Greenhouse choice assays examined the behavioral orientation preference of adult bugs exposed to four growth stages of whole soybean plants: vegetative (V2), flowering (R1), pod (R3), and seed (R5)...
September 27, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29028930/use-of-a-hand-held-digital-cognitive-aid-in-simulated-crises-the-max-randomized-controlled-trial
#15
R Lelaidier, B Balança, S Boet, A Faure, M Lilot, F Lecomte, J-J Lehot, T Rimmelé, J-C Cejka
Background: Cognitive aids improve the technical performance of individuals and teams dealing with high-stakes crises. Hand-held electronic cognitive aids have rarely been investigated. A randomized controlled trial was conducted to investigate the effects of a smartphone application, named MAX (for Medical Assistance eXpert), on the technical and non-technical performance of anaesthesia residents dealing with simulated crises. Methods: This single-centre randomized, controlled, unblinded trial was conducted in the simulation centre at Lyon, France...
September 27, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29028852/biocompatibility-and-osseointegration-of-titanium-implants-with-a-silver-doped-polysiloxane-coating-an-in-vivo-pig-model
#16
Ralf Smeets, Clarissa Precht, Michael Hahn, Ole Jung, Philip Hartjen, Max Heiland, Alexander Gröbe, Marzellus Große Holthaus, Henning Hanken
PURPOSE: To test the antimicrobial properties, surface topography, reaction of surrounding tissue (biocompatibility), and osseointegration of ultrathin implant surfaces containing polysiloxane and nanoscaled silver particles. MATERIALS AND METHODS: Implants with polysiloxane coating and nanoscaled silver particles (Ag/SiOxCy; HyProtect, Bio-Gate) were compared with implants with polysiloxane coating alone and with noncoated (grit-blasted and acid-etched) implants...
October 13, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29028833/merkel-cell-polyomavirus-recruits-mycl-to-the-ep400-complex-to-promote-oncogenesis
#17
Jingwei Cheng, Donglim Esther Park, Christian Berrios, Elizabeth A White, Reety Arora, Rosa Yoon, Timothy Branigan, Tengfei Xiao, Thomas Westerling, Alexander Federation, Rhamy Zeid, Benjamin Strober, Selene K Swanson, Laurence Florens, James E Bradner, Myles Brown, Peter M Howley, Megha Padi, Michael P Washburn, James A DeCaprio
Merkel cell carcinoma (MCC) frequently contains integrated copies of Merkel cell polyomavirus DNA that express a truncated form of Large T antigen (LT) and an intact Small T antigen (ST). While LT binds RB and inactivates its tumor suppressor function, it is less clear how ST contributes to MCC tumorigenesis. Here we show that ST binds specifically to the MYC homolog MYCL (L-MYC) and recruits it to the 15-component EP400 histone acetyltransferase and chromatin remodeling complex. We performed a large-scale immunoprecipitation for ST and identified co-precipitating proteins by mass spectrometry...
October 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29028329/sponge-spray-reaching-new-dimensions-of-direct-sampling-and-analysis-by-ms
#18
Max Hecht, Hanno Evard, Kalev Takkis, Ruta Veigure, Rudolf Aro, Runno Lohmus, Koit Herodes, Ivo Leito, Karin Kipper
Sample preparation for the analysis of clinical samples with the mass spectrometer (MS) can be extensive and expensive. Simplifying and speeding up the process would be very beneficial. This paper reports sponge spray - a novel sampling and direct MS analysis approach - attempting exactly that. It enables direct analysis without any sample preparation from dried blood, plasma and urine. The tip of a volumetric absorptive microsampling device is used to collect an exact amount of sample and from that same tip an electrospray can be directed into a mass spectrometer...
October 13, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29028322/synthesis-characterization-and-properties-of-iron-ii-spin-crossover-molecular-photoswitches-functioning-at-room-temperature
#19
Max Mörtel, Alexander Witt, Frank W Heinemann, Sebastian Bochmann, Julien Bachmann, Marat M Khusniyarov
Spin-crossover molecular switches [Fe(II)(H2B(pz)2)2L] (L = novel phenanthroline-based ligands featuring photochromic diarylethene units; pz = 1-pyrazolyl) were synthesized and thoroughly characterized by variable-temperature X-ray crystallography, Mössbauer spectroscopy, and magnetic measurements. The effect of substituents introduced into the phenanthroline backbone (L2) and into the photochromic diarylethene unit (L3) on photophysical properties of metal-free ligands and spin-crossover iron(II) complexes 2 and 3, respectively, were investigated in detail...
October 13, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29027990/il6-blockade-potentiates-the-anti-tumor-effects-of-%C3%AE-secretase-inhibitors-in-notch3-expressing-breast-cancer
#20
Dong Wang, Jiahui Xu, Bingjie Liu, Xueyan He, Lei Zhou, Xin Hu, Feng Qiao, Anli Zhang, Xiaojun Xu, Huafeng Zhang, Max S Wicha, Lixing Zhang, Zhi-Ming Shao, Suling Liu
Notch pathways have important roles in carcinogenesis including pathways involving the Notch1 and Notch2 oncogenes. Pan-Notch inhibitors, such as gamma secretase inhibitors (GSIs), have been used in the clinical trials, but the outcomes of these trials have been insufficient and have yielded unclear. In the present study, we demonstrated that GSIs, such as MK-0752 and RO4929097, inhibit breast tumor growth, but increase the breast cancer stem cell (BCSC) population in Notch3-expressing breast cancer cells, in a process that is coupled with IL6 induction and is blocked by the IL6R antagonist Tocilizumab (TCZ)...
October 13, 2017: Cell Death and Differentiation
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