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https://www.readbyqxmd.com/read/28651163/ex-vivo-assessment-of-valve-thickness-calcification-of-patients-with-calcific-aortic-stenosis-in-relation-to-in-vivo-clinical-outcomes
#1
Ching-Li Cheng, Hsiao-Huang Chang, Pei-Jung Huang, Wei-Chen Wang, Shan-Yang Lin
Calcific aortic stenosis (AS) plays a critical role in the risk of cardiovascular disease. This preliminary study examined the relationship between the ex vivo valve thickness/calcification and in vivo clinical outcomes of Chinese patients with calcific AS. Six Chinese patients (3 patients with tricuspid aortic valves (TAV)) and 3 patients with. bicuspid aortic valves (BAV) with calcific AS undergoing heart valve replacement were initially chosen for this study. In vivo medical imaging of these calcific AS patients was evaluated using computed tomography and echocardiography...
June 22, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28650997/disambiguating-authenticity-interpretations-of-value-and-appeal
#2
Kieran O'Connor, Glenn R Carroll, Balázs Kovács
While shaping aesthetic judgment and choice, socially constructed authenticity takes on some very different meanings among observers, consumers, producers and critics. Using a theoretical framework positing four distinct meanings of socially constructed authenticity-type, moral, craft, and idiosyncratic-we aim to document empirically the unique appeal of each type. We develop predictions about the relationships between attributed authenticity and corresponding increases in the value ascribed to it through: (1) consumer value ratings, (2) willingness to pay, and (3) behavioral choice...
2017: PloS One
https://www.readbyqxmd.com/read/28650903/thigh-ultrasound-monitoring-identifies-decreases-in-quadriceps-femoris-thickness-as-a-frequent-observation-in-critically-ill-children
#3
Frederic V Valla, David K Young, Muriel Rabilloud, Uvaraj Periasami, Manoj John, Florent Baudin, Carole Vuillerot, Aurélie Portefaix, Deborah White, Jenna A Ridout, Rosan Meyer, Bénédicte Gaillard Le Roux, Etienne Javouhey, Nazima Pathan
OBJECTIVES: Significant muscle wasting develops in critically ill adults, with subsequent worse outcomes. In the pediatric setting, occurrence and effects of muscle wasting are undescribed; this is in part due to a lack of validated, objective methods for assessing muscle wasting. A single measurement of quadriceps femoris thickness has failed to show consistent reproducibility. We hypothesized that averaging repeated measurements could afford good reproducibility to allow for quadriceps femoris thickness decline detection and monitoring...
June 23, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28650413/community-priorities-for-hospital-based-prevention-initiatives-results-from-a-deliberating-public
#4
Marthe R Gold, Lindsey Realmuto, Maya Scherer, Alexandra Kamler, Linda Weiss
CONTEXT: Internal revenue service provisions require not-for-profit hospitals to provide "community benefit." In addition, the Affordable Care Act requires these hospitals to conduct community health needs assessments that involve appropriate stakeholders. These requirements signal government interest in creating opportunities for developing programs that are well tailored and responsive to the needs of the communities served. Gaining meaningful input from residents is a critical aspect of these processes...
June 21, 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28650338/ifn-%C3%AE-related-mrna-profile-predicts-clinical-response-to-pd-1-blockade
#5
Mark Ayers, Jared Lunceford, Michael Nebozhyn, Erin Murphy, Andrey Loboda, David R Kaufman, Andrew Albright, Jonathan D Cheng, S Peter Kang, Veena Shankaran, Sarina A Piha-Paul, Jennifer Yearley, Tanguy Y Seiwert, Antoni Ribas, Terrill K McClanahan
Programmed death-1-directed (PD-1-directed) immune checkpoint blockade results in durable antitumor activity in many advanced malignancies. Recent studies suggest that IFN-γ is a critical driver of programmed death ligand-1 (PD-L1) expression in cancer and host cells, and baseline intratumoral T cell infiltration may improve response likelihood to anti-PD-1 therapies, including pembrolizumab. However, whether quantifying T cell-inflamed microenvironment is a useful pan-tumor determinant of PD-1-directed therapy response has not been rigorously evaluated...
June 26, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28649972/excitonic-gap-generation-in-thin-film-topological-insulators
#6
Natalia Menezes, Cristiane Morais Smith, Giandomenico Palumbo
In this work, we analyze the excitonic gap generation in the strong-coupling regime of thin films of three-dimensional time-reversal-invariant topological insulators. We start by writing down the effective gauge theory in 2+1-dimensions from the projection of the 3+1-dimensional quantum electrodynamics. Within this method, we obtain a short-range interaction, which has the form of a Thirring-like term, and a long-range one. The interaction between the two surface states of the material induces an excitonic gap...
June 26, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28649206/the-heuristic-value-of-p-in-inductive-statistical-inference
#7
Joachim I Krueger, Patrick R Heck
Many statistical methods yield the probability of the observed data - or data more extreme - under the assumption that a particular hypothesis is true. This probability is commonly known as 'the' p-value. (Null Hypothesis) Significance Testing ([NH]ST) is the most prominent of these methods. The p-value has been subjected to much speculation, analysis, and criticism. We explore how well the p-value predicts what researchers presumably seek: the probability of the hypothesis being true given the evidence, and the probability of reproducing significant results...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28648957/teaching-psychology-to-nursing-students-a-discussion-of-the-potential-contribution-of-psychology-towards-building-resilience-to-lapses-in-compassionate-caring
#8
Jan M A de Vries, Fiona Timmins
Psychology is a required element in nursing education in many countries. It is particularly aimed at teaching nursing students to get a better understanding of patients, colleagues, health care organizations and themselves, and moreover to apply what they learn about psychology to optimise their care. A meaningful integration of psychology within nursing education requires an emphasis on its application in understanding aspects of care and skills development. However, its ultimate value is demonstrated when addressing problem areas in nursing and health care...
June 17, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/28648949/welding-related-brain-and-functional-changes-in-welders-with-chronic-and-low-level-exposure
#9
Eun-Young Lee, Michael R Flynn, Mechelle M Lewis, Richard B Mailman, Xuemei Huang
Although an essential nutrient, manganese (Mn) can be toxic at high doses. There is, however, uncertainty regarding the effects of chronic low-level Mn-exposure. This review provides an overview of Mn-related brain and functional changes based on studies of a cohort of asymptomatic welders who had lower Mn-exposure than in most previous work. In welders with low-level Mn-exposure, we found: 1) Mn may accumulate in the brain in a non-linear fashion: MRI R1 (1/T1) signals significantly increased only after a critical level of exposure was reached (e...
June 22, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28648762/repetitive-deliberate-fires-development-and-validation-of-a-methodology-to-detect-series
#10
Eva Bruenisholz, Olivier Delémont, Olivier Ribaux, Linzi Wilson-Wilde
The detection of repetitive deliberate fire events is challenging and still often ineffective due to a case-by-case approach. A previous study provided a critical review of the situation and analysis of the main challenges. This study suggested that the intelligence process, integrating forensic data, could be a valid framework to provide a follow-up and systematic analysis provided it is adapted to the specificities of repetitive deliberate fires. In this current manuscript, a specific methodology to detect deliberate fires series, i...
June 16, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28648482/comparison-of-intravascular-ultrasound-and-centerline-computed-tomography-determined-aortic-diameters-during-thoracic-endovascular-aortic-repair
#11
Sukgu M Han, Ramsey S Elsayed, Sung W Ham, Anuj Mahajan, Fernando Fleischman, Vincent L Rowe, Mark J Cunningham, Fred A Weaver
BACKGROUND: Accurate sizing of stent grafts during thoracic endovascular aortic repair (TEVAR) is critical for a successful outcome. Centerline measurements using three-dimensional reconstruction of preoperative computed tomography angiography (CTA) is the current standard for stent graft sizing. However, this technique is predicated on an idealized straightened aorta and does not account for the variability in the aortic diameter during the cardiac cycle or the overall status of the patient's volume...
June 22, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28648374/cryptic-invasions-a-review
#12
REVIEW
Pedro Morais, Martin Reichard
Cryptic invasions are defined as the introduction and spread of non-native lineages within the species' native range (intra-specific cryptic invasion) or the invasion of non-native species that goes unnoticed due to misidentification as a native or another invasive species (inter-specific cryptic invasion). While population-specific attributes are acknowledged to play a critical role in the success and impact of biological invasions in general, our knowledge of the causes and consequences of cryptic invasions is largely neglected...
June 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28648180/kinetic-study-on-anaerobic-oxidation-of-methane-coupled-to-denitrification
#13
Hou Yu, Hiroyuki Kashima, John M Regan, Abid Hussain, Elsayed Elbeshbishy, Hyung-Sool Lee
Monod kinetic parameters provide information required for kinetic analysis of anaerobic oxidation of methane coupled to denitrification (AOM-D). This information is critical for engineering AOM-D processes in wastewater treatment facilities. We first experimentally determined Monod kinetic parameters for an AOM-D enriched culture and obtained the following values: maximum specific growth rate (μmax) 0.121/d, maximum substrate-utilization rate (qmax) 28.8mmol CH4/g cells-d, half maximum-rate substrate concentration (Ks) 83μΜ CH4, growth yield (Y) 4...
September 2017: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/28647501/driving-simulators-in-the-clinical-assessment-of-fitness-to-drive-in-sleepy-individuals-a-systematic-review
#14
REVIEW
David R Schreier, Christina Banks, Johannes Mathis
Road traffic injuries are projected to be the leading cause of death for those aged between 15 and 29 years by the year 2030, and sleepiness is estimated to be the underlying cause in up to 15-20% of all motor vehicle accidents. Sleepiness at the wheel is most often caused by socially induced sleep deprivation or poor sleep hygiene in otherwise healthy individuals, medical disorders, or the intake of drugs. Validated methods for objectifying sleepiness are urgently sought, particularly in the context of driving...
May 4, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28647222/soil-application-of-sewage-sludge-stabilized-with-steelmaking-slag-and-its-effect-on-soil-properties-and-wheat-growth
#15
Eftihia Samara, Theodora Matsi, Athanasios Balidakis
The effect of sewage sludge, stabilized with steelmaking slag, on soil chemical properties and fertility and on wheat (Triticum aestivum L.) growth was evaluated. Dewatered sewage sludge [75% (wet weight basis)] stabilized with steelmaking slag (25%) and three soils with different pH values were used in a pot experiment with winter wheat. The following treatments were applied: (i) sludge addition of 30gkg(-1) (≈ 120Mgha(-1), rate equivalent to the common inorganic N fertilization for wheat, based on sludge's water soluble NO3-N), (ii) sludge addition of 10gkg(-1) (≈ 40Mgha(-1), rate equivalent to the common inorganic N fertilization for wheat, based on sludge's Kjeldahl-N), (iii) addition of the common inorganic N fertilization for wheat (120kgNha(-1)) as NH4NO3, (iv) control (no fertilizer, no sludge)...
June 21, 2017: Waste Management
https://www.readbyqxmd.com/read/28646856/the-imbalance-of-th17-treg-cells-is-involved-in-the-progression-of-nonalcoholic-fatty-liver-disease-in-mice
#16
Beihui He, Liyan Wu, Wei Xie, Yitong Shao, Jianping Jiang, Zhenzhong Zhao, Maoxiang Yan, Zhiyun Chen, Dawei Cui
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is a common, chronic liver disease worldwide. Recent studies have shown that T helper (Th) 17 and regulatory T (Treg) cells play critical roles in various disorders of liver inflammation. Here, we explored the value of polyene phosphatidylcholine capsules (PPC) for regulating the imbalance of Th17/Treg cells in the pathogenesis of mice with NAFLD. METHODS: C57BL/6 mice were randomly divided into three groups as follows:normal diet (ND), high-fat diet (HF),and HF plus PPC(HF + PPC)...
June 24, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28646574/a-novel-habitat-based-approach-to-predict-impacts-of-marine-protected-areas-on-fishers
#17
João B Teixeira, Rodrigo L Moura, Morena Mills, Carissa Klein, Christopher J Brown, Vanessa M Adams, Hedley Grantham, Matthew Watts, Deborah Faria, Gilberto M Amado-Filho, Alex C Bastos, Reinaldo Lourival, Hugh P Possingham
While marine protected areas (MPAs) can simultaneously contribute to biodiversity conservation and fisheries management, the global network is biased towards particular ecosystem types, as it was largely established in an ad hoc fashion. The optimization of trade-offs between biodiversity benefits and socio-economic values increases implementation success and minimizes enforcement costs in the long run, but is often neglected in marine spatial planning (MSP). Although the acquisition of spatially explicit socioeconomic data is often perceived as a costly/secondary step in MSP, it is critical to account for lost opportunities by people whose activities will be restricted, especially fishers...
June 24, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28645665/experimental-evaluation-of-stress-distribution-with-narrow-diameter-implants-a-finite-element-analysis
#18
Sezgi Cinel, Ersan Celik, Elcin Sagirkaya, Onur Sahin
STATEMENT OF PROBLEM: Narrow diameter implants were developed to allow placement in narrow alveolar ridges. Clinicians may have concerns about the durability and function of such implants. PURPOSE: The purpose of this finite element study was to compare the stress values occurring on the implant and at the implant bone interface after the application of the static and dynamic forces on narrow diameter, titanium and titanium-zirconia implants in the maxillary and mandibular second premolar region...
June 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28645570/quantitative-proteomics-analysis-by-itraq-revealed-underlying-changes-in-thermotolerance-of-arthrospira-platensis
#19
Rong Chang, Bingxin Lv, Bosheng Li
Growth temperature is a critical factor that affects cultivation of Arthrospira platensis which is a type of cyanobacterium widely known as Spirulina that has significant commercial value. To investigate the molecular mechanism underlying the thermotolerance of Spirulina, differential protein expression profiling was carried out using iTRAQ-based quantitative proteomic analysis. This study only analyzed changes in thylakoids. Among the 2085 proteins quantified, 43 differentially expressed proteins were selected based on the fold change cutoff scores of ≥2 or ≤0...
June 20, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28645016/quantitative-analysis-of-a-biopharmaceutical-protein-in-cell-culture-samples-using-automated-capillary-electrophoresis-ce-western-blot
#20
Dong Xu, Kentaro Marchionni, Yunli Hu, Wei Zhang, Zoran Sosic
An effective control strategy is critical to ensure the safety, purity and potency of biopharmaceuticals. Appropriate analytical tools are needed to realize such goals by providing information on product quality at an early stage to help understanding and control of the manufacturing process. In this work, a fully automated, multi-capillary instrument is utilized for size-based separation and western blot analysis to provide an early readout on product quality in order to enable a more consistent manufacturing process...
June 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
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