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https://www.readbyqxmd.com/read/29679889/interpretation-of-60-co-radiation-effects-in-metal-oxide-semiconductors-in-terms-of-the-mobility-and-interface-trap-density-with-a-drain-current-gate-voltage-model
#1
Liu Changshi, Zhang Jianxin
The voltage-dependent current is a crucial parameter for determining the electrical properties of microelectronic devices. In this study, we aimed to extend a generic dc model to successfully explain the drain current (Id ) for metal-oxide semiconductors (MOSs) and thin-film transistors (TFTs) based on the gate voltage (Vg ), where the threshold voltage (Vth ) could also be obtained from this model in a nature manner. This dc model meets the requirements for compact modeling, including modeling computer circuit simulators...
April 4, 2018: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/29679878/modeling-of-intracerebral-interictal-epileptic-discharges-evidence-for-network-interactions
#2
Stephan Meesters, Pauly Ossenblok, Albert Colon, Louis Wagner, Olaf Schijns, Paul Boon, Luc Florack, Andrea Fuster
OBJECTIVE: The interictal epileptic discharges (IEDs) occurring in stereotactic EEG (SEEG) recordings are in general abundant compared to ictal discharges, but difficult to interpret due to complex underlying network interactions. A framework is developed to model these network interactions. METHODS: To identify the synchronized neuronal activity underlying the IEDs, the variation in correlation over time of the SEEG signals is related to the occurrence of IEDs using the general linear model...
April 11, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29679859/the-relationship-of-age-activity-and-body-size-on-osteoarthritis-in-weight-bearing-skeletal-regions
#3
Stephanie E Calce, Helen K Kurki, Darlene A Weston, Lisa Gould
This study examined the simultaneous impact of multiple underlying factors on OA expression in weight-bearing joints of the vertebrae and lower limb of a modern European skeletal sample (Lisbon and Sassari). OA was evaluated using standard ranked categorical scoring; composite OA scores derived through principal component analysis. Body size was calculated from postcranial measurements; torsional strength (J) of the femoral midshaft was calculated from three-dimensional surface models, size standardized and used as a proxy for activity...
April 18, 2018: International Journal of Paleopathology
https://www.readbyqxmd.com/read/29679837/development-of-a-stacked-ensemble-model-for-forecasting-and-analyzing-daily-average-pm-2-5-concentrations-in-beijing-china
#4
Binxu Zhai, Jianguo Chen
A stacked ensemble model is developed for forecasting and analyzing the daily average concentrations of fine particulate matter (PM2.5 ) in Beijing, China. Special feature extraction procedures, including those of simplification, polynomial, transformation and combination, are conducted before modeling to identify potentially significant features based on an exploratory data analysis. Stability feature selection and tree-based feature selection methods are applied to select important variables and evaluate the degrees of feature importance...
April 18, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29679820/joy-guilt-and-disappointment-an-interpretative-phenomenological-analysis-of-the-experiences-of-women-transferred-from-midwifery-led-to-consultant-led-care
#5
Patricia Larkin
BACKGROUND: Irish maternity services are predominantly medicalised and consultant led, therefore women who choose midwifery led care (MLC) do so in the context of limited birth choices. Transfers to consultant led unit (CLU) for consultant led care (CLC) can be unpredictable and can affect women's birth experiences. This study provides an in-depth exploration of women's experiences of transfer fromMLC to CLC during late pregnancy or labour. METHODS: Transfer experiences are explored through qualitative explorative in-depth interviews using interpretative phenomenological analysis (IPA)...
April 11, 2018: Midwifery
https://www.readbyqxmd.com/read/29679799/refolding-kinetics-of-cytochrome-c-studied-with-microsecond-timescale-continuous-flow-uv-vis-spectroscopy-and-rapid-freeze-quench-epr
#6
Batoul Srour, Marc J F Strampraad, Wilfred R Hagen, Peter-Leon Hagedoorn
The study of the structure, function, folding and conformational transitions of cytochrome c is of great interest because this protein plays an important role in biological electron transport and apoptosis. The different native and non-native conformations have been studied extensively under equilibrium conditions at different pH values, however, kinetic studies are rare because they require technically challenging rapid mixing and spectroscopic monitoring techniques. Here we present the refolding kinetics of acid denatured cytochrome c using the pH jump technique from pH 2 to pH 4...
April 11, 2018: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29679797/the-effects-of-feedback-format-and-egocentric-allocentric-relative-phase-on-coordination-stability
#7
John Pickavance, Arianne Azmoodeh, Andrew D Wilson
The stability of coordinated rhythmic movement is primarily affected by the required mean relative phase. In general, symmetrical coordination is more stable than asymmetrical coordination; however, there are two ways to define relative phase and the associated symmetries. The first is in an egocentric frame of reference, with symmetry defined relative to the sagittal plane down the midline of the body. The second is in an allocentric frame of reference, with symmetry defined in terms of the relative direction of motion...
April 18, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29679729/a-longitudinal-study-of-disc-height-narrowing-and-facet-joint-osteoarthritis-at-the-thoracic-and-lumbar-spine-evaluated-by-computed-tomography-the-framingham-study
#8
Mohamed Jarraya, Ali Guermazi, Amanda L Lorbergs, Elana Brochin, Douglas P Kiel, Mary L Bouxsein, L Adrienne Cupples, Elizabeth J Samelson
BACKGROUND CONTEXT: Prevalence and progression of disc height narrowing (DHN) and facet joint osteoarthritis (FJOA) in the thoracic and lumbar regions in non-clinical populations are not well-established. PURPOSE: Use computed tomography (CT) images to determine prevalence and progression of DHN and FJOA according to age, sex, and spinal region. STUDY DESIGN: Six-year longitudinal study SAMPLE: 1,196 members of the Framingham Study (mean baseline age 61 ±9 years) OUTCOME MEASURES: We compared prevalence and progression (new or worsening) of moderate-to-severe DHN and FJOA by age, sex, and spinal region...
April 18, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29679459/exploring-the-meaning-of-home-and-its-implications-for-the-care-of-older-people
#9
Michele Board, Brendan McCormack
AIMS AND OBJECTIVES: To explore the meaning of home for six baby boomers and consider how this insight can be used when caring for older people in hospital or residential settings. BACKGROUND: Feeling at home is important to help retain a sense of autonomy, security and well-being, but home is a complex concept to understand. The baby boomers are a large cohort entering later life and understanding their sense of home is not only an example of anticipatory gerontology but it could also provide the tools to explore home with the current older population, who may be in a variety of care settings...
April 20, 2018: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29679441/feasibility-safety-and-outcome-of-recanalisation-treatment-in-childhood-stroke
#10
Sandra Bigi, Andrea Dulcey, Jan Gralla, Corrado Bernasconi, Amber Melliger, Alexandre N Datta, Marcel Arnold, Johannes Kaesmacher, Joel Fluss, Annette Hackenberg, Oliver Maier, Johannes Weber, Claudia Poloni, Urs Fischer, Maja Steinlin
Objective Intravenous thrombolysis and endovascular therapy (IVT/EVT) are evidence-based treatments for adults with arterial ischemic stroke (AIS). However, randomized controlled trials in pediatric patients are lacking. This study aimed to describe feasibility, safety, and outcome of IVT/EVT in children with AIS. Methods Retrospective study (01/2000-12/2015) of a multicenter, population-based consecutive cohort of patients aged 1 month - 16 years diagnosed with AIS presenting with a pedNIHSS ≥4. Clinical and radiological data of patients receiving IVT/EVT were compared to those receiving standard care (SC) using linear regression to adjust for potential confounders...
April 20, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29679408/prehospital-emergency-care-nurses-strategies-while-caring-for-patients-with-limited-swedish-english-proficiency
#11
A Alm Pfrunder, A Falk, V Vicente, V Lindström
AIMS AND OBJECTIVES: To explore the strategies of nurses working in the ambulance service while caring for patients with limited Swedish-English proficiency. BACKGROUND: Communication difficulties due to lack of mutual language is a challenge in health care systems around the world. Little is known about nurses' strategies while caring for patients with whom they do not share a mutual language in an unstructured, unplanned prehospital emergency environment, the ambulance service...
April 20, 2018: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29679388/somatic-slc35a2-variants-in-the-brain-are-associated-with-intractable-neocortical-epilepsy
#12
Melodie R Winawer, Nicole G Griffin, Jorge Samanamud, Evan H Baugh, Dinesh Rathakrishnan, Senthilmurugan Ramalingam, David Zagzag, Catherine A Schevon, Patricia Dugan, Manu Hegde, Sameer A Sheth, Guy M McKhann, Werner K Doyle, Gerald A Grant, Brenda E Porter, Mohamad A Mikati, Carrie R Muh, Colin D Malone, Ann Marie R Bergin, Jurriaan M Peters, Danielle K McBrian, Alison M Pack, Cigdem I Akman, Christopher M LaCoursiere, Katherine M Keever, Joseph R Madsen, Edward Yang, Hart G W Lidov, Catherine Shain, Andrew S Allen, Peter Canoll, Peter B Crino, Annapurna H Poduri, Erin L Heinzen
OBJECTIVE Somatic variants are a recognized cause of epilepsy-associated focal malformations of cortical development (MCD). We hypothesized that somatic variants may underlie a wider range of focal epilepsy, including non-lesional focal epilepsy (NLFE). Through genetic analysis of brain tissue, we evaluated the role of somatic variation in focal epilepsy with and without MCD. METHODS We identified somatic variants through high-depth exome and ultra-high-depth candidate gene sequencing of DNA from epilepsy surgery specimens and leukocytes from 18 individuals with NLFE and 38 with focal MCD...
April 20, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29679371/fitting-the-epigenome-into-the-picture-methylation-classification-for-paediatric-brain-tumours
#13
EDITORIAL
J A Cotter, A R Judkins
Meaningful classification of paediatric brain tumours has been a topic of revived discussion in the current era of molecular analysis. In recent years, we have seen the practice of diagnostic neuropathology not only incorporate routine biomarker interpretation (e.g. INI1/SMARCB1 and BRAF V600E immunohistochemistry), but also extend its reach into the molecular pathology laboratory. Next-generation sequencing, fusion analysis, and copy number profiling are now commonly-employed diagnostic tools, particularly in histologically challenging or clinically difficult cases...
April 20, 2018: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/29679274/analysis-of-the-repeatability-of-the-exhaust-pollutants-emission-research-results-for-cold-and-hot-starts-under-controlled-driving-cycle-conditions
#14
Artur Jaworski, Hubert Kuszewski, Adam Ustrzycki, Krzysztof Balawender, Kazimierz Lejda, Paweł Woś
Measurement of car engines exhaust pollutants emissions is very important because of their harmful effects on the environment. This article presents the assessment of repeatability of the passenger car engine exhaust pollutants emission research results obtained in the conditions of a chassis dynamometer. The research was conducted in a climate chamber, enabling the temperature conditions to be determined from - 20 to + 30 °C. The emission of CO, CH4 , CO2 , NOX , THC, and NMHC was subjected to the analysis...
April 20, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29679230/dental-bleaching-on-teeth-submitted-to-enamel-microabrasion-30-years-ago-a-case-report-of-patients-compliance-during-bleaching-treatment
#15
Daniel Sundfeld, Caio Cesar Pavani, Timm Cornelius Schott, Lucas Silveira Machado, Núbia Inocêncya Pavesi Pini, André Pinheiro de Magalhães Bertoz, Renato Herman Sundfeld
OBJECTIVES: The present dental bleaching case report describes a new method that precisely quantifies the daily wearing-times of the bleaching product by inserting a microsensor in the acetate custom tray. The bleaching efficacy was also discussed since the patient was previously submitted to enamel microabrasion. METHODS: The patient was submitted to enamel microabrasion in 1987, and bleaching treatment was performed in 2005. In 2017, re-bleaching was executed using 10% peroxide carbamide...
April 20, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29679197/neuropsychological-impacts-of-indirect-revascularization-for-pediatric-moyamoya-disease
#16
WooHyun Kim, Eun-Young Lee, Seong-Eun Park, Eun-Kyung Park, Ju-Seong Kim, Dong-Seok Kim, Kyu-Won Shim
PURPOSE: Moyamoya disease (MMD) commonly leads to neurocognitive impairment. This study was carried out to show that temporal encephaloduroarteriosynangiosis (EDAS) has a positive neuropsychological impact on pediatric MMD patients. METHODS: Fifty-five participants diagnosed with MMD from 2008 to 2014 were included in this retrospective study. The mean age at the preoperative evaluation was 9.5 years and the mean age at postoperative evaluation was 10.4. The average interval of initial and follow-up test was 10 months...
April 20, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29679187/growth-a-journey-from-experience-to-higher-perception-among-iranian-muslim-cpr-survivors
#17
Seyed Hamid Seyed Bagheri, Masoud Rayyani, Sedigheh Iranmanesh, Mahlagha Dehghan, Batool Tirgari, Seyed Habibollah Hosseini
Several studies have been conducted among cardiopulmonary resuscitation (CPR) survivors. Some studies have shown that positive and negative experiences coexist. Emotional distress and psychopathology in CPR survivors are related to the urgent need to make growth. Understanding the meaning of CPR survivors' lived experiences of growth may facilitate their growth. The aim of the study was to illuminate the meaning of CPR survivor's lived experiences of growth in southeast Iran. A qualitative design using a phenomenological hermeneutic approach influenced by Ricoeur was used in 12 CPR survivors...
April 20, 2018: Journal of Religion and Health
https://www.readbyqxmd.com/read/29679103/slc30a8-polymorphism-and-bmi-complement-hla-a-24-as-risk-factors-for-poor-graft-function-in-islet-allograft-recipients
#18
Else M Balke, Simke Demeester, DaHae Lee, Pieter Gillard, Robert Hilbrands, Ursule Van de Velde, Bart J Van der Auwera, Zhidong Ling, Bart O Roep, Daniël G Pipeleers, Bart Keymeulen, Frans K Gorus
AIMS/HYPOTHESIS: HLA-A*24 carriership hampers achievement of insulin independence in islet allograft recipients. However, less than half of those who fail to achieve insulin independence carry the allele. We investigated whether genetic polymorphism at the recipients' zinc transporter 8-encoding SLC30A8 gene (rs13266634) could complement their HLA-A*24 status in predicting functional graft outcome. METHODS: We retrospectively analysed data of a hospital-based patient cohort followed for 18 months post transplantation...
April 20, 2018: Diabetologia
https://www.readbyqxmd.com/read/29679056/complete-agreement-of-the-post-spinel-transition-with-the-660-km-seismic-discontinuity
#19
Takayuki Ishii, Rong Huang, Hongzhan Fei, Iuliia Koemets, Zhaodong Liu, Fumiya Maeda, Liang Yuan, Lin Wang, Dmitry Druzhbin, Takafumi Yamamoto, Shrikant Bhat, Robert Farla, Takaaki Kawazoe, Noriyoshi Tsujino, Eleonora Kulik, Yuji Higo, Yoshinori Tange, Tomoo Katsura
The 660-km seismic discontinuity, which is a significant structure in the Earth's mantle, is generally interpreted as the post-spinel transition, as indicated by the decomposition of ringwoodite to bridgmanite + ferropericlase. All precise high-pressure and high-temperature experiments nevertheless report 0.5-2 GPa lower transition pressures than those expected at the discontinuity depth (i.e. 23.4 GPa). These results are inconsistent with the post-spinel transition hypothesis and, therefore, do not support widely accepted models of mantle composition such as the pyrolite and CI chondrite models...
April 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29678991/measurement-properties-of-the-health-of-the-nation-outcome-scales-honos-family-of-measures-protocol-for-a-systematic-review
#20
Meredith G Harris, Claudia Sparti, Roman Scheurer, Tim Coombs, Jane Pirkis, Torleif Ruud, Steve Kisely, Ketil Hanssen-Bauer, Johan Siqveland, Philip M Burgess
INTRODUCTION: The Health of the Nation Outcome Scales (HoNOS) for adults, and equivalent measures for children and adolescents and older people, are widely used in clinical practice and research contexts to measure mental health and functional outcomes. Additional HoNOS measures have been developed for special populations and applications. Stakeholders require synthesised information about the measurement properties of these measures to assess whether they are fit for use with intended service settings and populations and to establish performance benchmarks...
April 20, 2018: BMJ Open
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