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https://www.readbyqxmd.com/read/29054102/supporting-faculty-during-pedagogical-change-through-reflective-teaching-practice-an-innovative-approach
#1
Deborah K Armstrong, Marilyn E Asselin
Given the recent calls for transformation of nursing education, it is critical that faculty be reflective educators. Reflective teaching practice is a process of self-examination and self-evaluation to gain insight into teaching to improve the teaching-learning experience. Limited attention has been given to this notion in the nursing education literature. An innovative reflective teaching practice approach for nursing education is proposed, consisting of question cues, journaling, and a process of facilitated meetings...
November 2017: Nursing Education Perspectives
https://www.readbyqxmd.com/read/29053869/enzymatic-hydrolysis-of-fumonisins-in-the-gastrointestinal-tract-of-broiler-chickens
#2
B Grenier, H E Schwartz-Zimmermann, C Gruber-Dorninger, I Dohnal, M Aleschko, G Schatzmayr, W D Moll, T J Applegate
Fumonisins (FB) are among the most frequently detected mycotoxins in feedstuffs and finished feed, and recent data suggest that the functions of the gastrointestinal tract (GIT) in poultry species might be compromised at doses ranging from 10 to 20 mg/kg, close to field incidences and below the US and EU guidelines. Strategies are therefore necessary to reduce the exposure of poultry to FB. In the present study, we assessed the efficacy of fumonisin esterase FumD (EC 3.1.1.87, commercial name FUMzyme®) to cleave the tricarballylic acid side chains of FB, leading to the formation of non-toxic hydrolyzed fumonisins in the GIT of broiler chickens...
October 5, 2017: Poultry Science
https://www.readbyqxmd.com/read/29053835/abnormal-intrinsic-brain-functional-network-dynamics-in-parkinson-s-disease
#3
Jinhee Kim, Marion Criaud, Sang Soo Cho, María Díez-Cirarda, Alexander Mihaescu, Sarah Coakeley, Christine Ghadery, Mikaeel Valli, Mark F Jacobs, Sylvain Houle, Antonio P Strafella
Parkinson's disease is a neurodegenerative disorder characterized by nigrostriatal dopamine depletion. Previous studies measuring spontaneous brain activity using resting state functional magnetic resonance imaging have reported abnormal changes in broadly distributed whole-brain networks. Although resting state functional connectivity, estimating temporal correlations between brain regions, is measured with the assumption that intrinsic fluctuations throughout the scan are stable, dynamic changes of functional connectivity have recently been suggested to reflect aspects of functional capacity of neural systems, and thus may serve as biomarkers of disease...
October 5, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29053709/changes-in-utilization-and-peri-operative-outcomes-of-bariatric-surgery-in-large-u-s-hospital-database-2011-2014
#4
Lu Zhang, John Scott, Lu Shi, Khoa Truong, Qingwei Hu, Joseph A Ewing, Liwei Chen
BACKGROUND: With the epidemic of morbid obesity, bariatric surgery has been accepted as one of the most effective treatments of obesity. OBJECTIVE: To investigate recent changes in the utilization of bariatric surgery, patients and hospital characteristics, and in-hospital complications in a nationwide hospital database in the United States. SETTING: This is a secondary data analysis of the Premier Perspective database. METHODS: ICD-9 codes were used to identify bariatric surgeries performed between 2011 and 2014...
2017: PloS One
https://www.readbyqxmd.com/read/29053683/new-application-of-an-atmospheric-pressure-plasma-jet-as-a-neuro-protective-agent-against-glucose-deprivation-induced-injury-of-sh-sy5y-cells
#5
Xu Yan, Zhaozhong Meng, Jiting Ouyang, Yajun Qiao, Fang Yuan
The atmospheric pressure plasma jet (APPJ) has attracted the attention of many researchers from multiple disciplines in recent years because its emissions include multiple types of reactive nitrogen species (RNS) and reactive oxygen species (ROS). Our previous study has shown the cytoprotective effect of the APPJ against oxidative stress-induced injuries. The aim of the present study is to provide a detailed in vitro treatment protocol regarding the neuroprotective applications of helium APPJs on glucose deprivation-induced injury in SH-SY5Y cells...
October 9, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29053611/glucosylsphingosine-causes-hematological-and-visceral-changes-in-mice-evidence-for-a-pathophysiological-role-in-gaucher-disease
#6
Jan Lukas, Claudia Cozma, Fan Yang, Guido Kramp, Anja Meyer, Anna-Maria Neßlauer, Sabrina Eichler, Tobias Böttcher, Martin Witt, Anja U Bräuer, Peter Kropp, Arndt Rolfs
Glucosylceramide and glucosylsphingosine are the two major storage products in Gaucher disease (GD), an inherited metabolic disorder caused by a deficiency of the lysosomal enzyme glucocerebrosidase. The build-up of glucosylceramide in the endoplasmic reticulum and prominent accumulation in cell lysosomes of tissue macrophages results in decreased blood cell and platelet counts, and skeletal abnormalities. The pathological role of the deacylated form of glucosylceramide, glucosylsphingosine (lyso-Gb1), a recently identified sensitive and specific biomarker for GD, is not well investigated...
October 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29053601/modeling-and-predicting-the-stress-relaxation-of-composites-with-short-and-randomly-oriented-fibers
#7
Numaira Obaid, Mark T Kortschot, Mohini Sain
The addition of short fibers has been experimentally observed to slow the stress relaxation of viscoelastic polymers, producing a change in the relaxation time constant. Our recent study attributed this effect of fibers on stress relaxation behavior to the interfacial shear stress transfer at the fiber-matrix interface. This model explained the effect of fiber addition on stress relaxation without the need to postulate structural changes at the interface. In our previous study, we developed an analytical model for the effect of fully aligned short fibers, and the model predictions were successfully compared to finite element simulations...
October 20, 2017: Materials
https://www.readbyqxmd.com/read/29053575/the-impact-of-a-weight-loss-intervention-on-diet-quality-and-eating-behaviours-in-people-with-obesity-and-copd
#8
Rebecca F McLoughlin, Vanessa M McDonald, Peter G Gibson, Hayley A Scott, Michael J Hensley, Lesley MacDonald-Wicks, Lisa G Wood
There is a paucity of evidence to guide clinicians about appropriate management strategies for people with obesity and Chronic Obstructive Pulmonary Disease (COPD). We have recently published results from the first weight loss intervention in adults (>18 years) with obesity (body mass index; BMI ≥ 30 kg/m²) and COPD, using a low-calorie diet coupled with a partial meal replacement plan and resistance exercise training, which resulted in a 6.4% reduction in weight while maintaining skeletal muscle mass and improving health status...
October 20, 2017: Nutrients
https://www.readbyqxmd.com/read/29053537/thermal-ultra-short-photodynamic-therapy-heating-fibroblasts-during-sub-30-minute-incubation-of-5-aminolevulinic-acid-increases-photodynamic-therapy-induced-cell-death
#9
Eugene Koo, Evan Austin, Andrew Mamalis, Jared Jagdeo
BACKGROUND: Actinic keratoses (AKs) prevalence was estimated at 39.5 million Americans in 2004, and the cost to treat AKs that year was approximately 1 billion dollars. Photodynamic therapy (PDT) is an FDA-approved therapy for the treatment of AK. Recent studies have focused on reducing PDT treatment time while maintaining efficacy. OBJECTIVE: To investigate the use of thermal modulation to improve the efficacy of ultra short aminolevulinic acid (ALA) incubation PDT...
October 19, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29053450/two-dimensional-isoelectric-focusing-offgel-micro-fluidic-lab-on-chip-electrophoresis-and-ftir-for-assessment-of-long-term-stability-of-rhg-csf-formulation
#10
H Kraiem, F Zouari, R Ben Abderrazek, Y Manon, M El Ayeb, L Fillaudeau, J Bedoui, B Bouhaouala-Zahar
Recombinant human granulocyte colony-stimulating factor (rhG-CSF) has been increasingly recognized from among one of the most abundant families of biosimilars. Upon long-term storage, rhG-CSF is subject to subtle chemical modifications that rapidly occur and, in particular, produce deaminated variants with divergent charge. Indeed, changes in charge from glutamine deamination may alter the way rhG-SCF will refold and the structure of resulting molecule. To assess this charge heterogeneity, 2D gel electrophoresis has limited application...
October 16, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/29053428/dust-bathing-behaviors-of-african-herbivores-and-the-potential-risk-of-inhalational-anthrax
#11
Zoe R Barandongo, John K E Mfune, Wendy C Turner
Anthrax in herbivorous wildlife and livestock is generally assumed to be transmitted via ingestion or inhalation of Bacillus anthracis spores. Although recent studies have highlighted the importance of the ingestion route for anthrax transmission, little is known about the inhalational route in natural systems. Dust bathing could aerosolize soilborne pathogens such as B. anthracis, exposing dust-bathing individuals to inhalational infections. We investigated the potential role of dust bathing in the transmission of inhalational anthrax to herbivorous wildlife in Etosha National Park, Namibia, an area with endemic seasonal anthrax outbreaks...
October 20, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29053358/bioinvasion-triggers-rapid-evolution-of-life-histories-in-freshwater-snails
#12
Elodie Chapuis, Thomas Lamy, Jean-Pierre Pointier, Nicolas Juillet, Adeline Ségard, Philippe Jarne, Patrice David
Biological invasions offer interesting situations for observing how novel interactions between closely related, formerly allopatric species may trigger phenotypic evolution in situ. Assuming that successful invaders are usually filtered to be competitively dominant, invasive and native species may follow different trajectories. Natives may evolve traits that minimize the negative impact of competition, while trait shifts in invasives should mostly reflect expansion dynamics, through selection for colonization ability and transiently enhanced mutation load at the colonization front...
November 2017: American Naturalist
https://www.readbyqxmd.com/read/29053345/an-ecofriendly-approach-for-bioremediation-of-contaminated-water-environment-potential-contribution-of-a-coastal-seaweed-community-to-environmental-improvement
#13
Fatih Deniz, Elif Tezel Ersanli
High levels of heavy metals like copper ions in many industrial based effluents lead to serious environmental and health problems. Biosorption is a potential environmental biotechnology approach for biotreatment of aquatic sites polluted with heavy metal ions. Seaweeds have received great attention for their high bioremediation potential in recent years. However, the co-application of marine macroalgae for removal of heavy metals from wastewater is very limited. Thus, for the first time in literature, a coastal seaweed community composed of Chaetomorpha sp...
October 20, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/29053320/interplay-between-process-zone-and-material-heterogeneities-for-dynamic-cracks
#14
Fabian Barras, Philippe H Geubelle, Jean-François Molinari
Using an elastodynamic boundary integral formulation coupled with a cohesive model, we study the problem of a dynamic rupture front propagating along an heterogeneous plane. We show that small-scale heterogeneities facilitate the supershear transition of a mode-II crack. The elastic pulses radiated during front accelerations explain how microscopic variations of fracture toughness change the macroscopic rupture dynamics. Perturbations of dynamic fronts are then systematically studied with different microstructures and loading conditions...
October 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29053253/surface-plasmon-resonance-material-and-interface-design-for-universal-accessibility
#15
Samuel Stuart Hinman, Kristy S McKeating, Quan Cheng
The ability to monitor biomolecular reactions in a real-time and label free manner is nearly synonymous with the surface plasmon resonance (SPR) technique. At its basis, SPR relies on the interaction of an incoming light source with a thin metallic film in close contact with a prism or grating, which, under the correct experimental conditions, allows for the propagative oscillation of the conduction electrons at the surface of the metallic material. The oscillating, electromagnetic fields are extremely sensitive to small changes in the refractive index within the dielectric near the sensing interface, where various binding events and interactions can be detected...
October 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29053103/ultrasound-functional-imaging-in-an-i-ex-vivo-i-beating-porcine-heart-platform
#16
Niels J Petterson, Louis S Fixsen, Marcel C M Rutten, Nico H J Pijls, Frans N van de Vosse, Richard G P Lopata
In recent years, novel ultrasound functional imaging (UFI) techniques have been introduced to assess cardiac function by measuring, e.g., cardiac output (CO) and/or myocardial strain. Verification and reproducibility assessment in a realistic setting remain major issues. Simulations and phantoms are often unrealistic, whereas in vivo measurements often lack crucial hemodynamic parameters or ground truth data, or suffer from the large physiological and clinical variation between patients when attempting clinical validation...
October 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29052934/the-contribution-of-alternative-splicing-to-genetic-risk-for-psychiatric-disorders
#17
REVIEW
Emma Reble, Aidan Dineen, Cathy L Barr
A genetic contribution to psychiatric disorders has clearly been established and genome-wide association studies now provide the location of risk genes and genetic variants associated with risk. However, the mechanism by which these genes and variants contribute to psychiatric disorders is mostly undetermined. This is in part because non-synonymous protein coding changes cannot explain the majority of variants associated with complex genetic traits. Based on this, it is predicted that these variants are causing gene expression changes, including changes to alternative splicing...
October 20, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29052759/telomerase-regulation-by-the-pif1-helicase-a-length-dependent-effect
#18
Sonia Stinus, Katrin Paeschke, Michael Chang
Dysfunctional telomere length regulation is detrimental to human health, and both activation and inhibition of telomerase have been proposed in potential therapies to treat human diseases. The Saccharomyces cerevisiae Pif1 protein is an evolutionarily conserved helicase that inhibits telomerase activity at DNA ends. Recent studies have indicated that Pif1 is specifically important for inhibiting telomerase at DNA ends with very little or no telomeric sequence and at long telomeres. At the former, Pif1 prevents the inappropriate addition of a telomere at DNA double-strand breaks...
October 20, 2017: Current Genetics
https://www.readbyqxmd.com/read/29052566/analysis-on-inpatient-health-expenditures-of-renal-cell-carcinoma-in-a-grade-a-tertiary-hospital-in-beijing
#19
Xin Liu, Yong-Hui Mao, Xue-Mei He, Yan-Jing Zhang, Ying Sun
BACKGROUND: Renal cell carcinoma (RCC) is the most common type of malignant renal tumors with a growing incidence in the recent years. This study aimed to investigate the influencing factors and variation trend of hospitalization expenditures among RCC patients in a single-centered hospital in Beijing during 5 consecutive years and to find the major cost items and fluctuation tendency of inpatient medical expenditures. METHODS: The information of medical expenditures among RCC patients in a Grade-A tertiary hospital during the years 2012-2016 was investigated to find the main cost items and changes affecting the medical cost structure...
October 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29052544/detecting-changes-in-real-time-data-a-user-s-guide-to-optimal-detection
#20
REVIEW
P Johnson, J Moriarty, G Peskir
The real-time detection of changes in a noisily observed signal is an important problem in applied science and engineering. The study of parametric optimal detection theory began in the 1930s, motivated by applications in production and defence. Today this theory, which aims to minimize a given measure of detection delay under accuracy constraints, finds applications in domains including radar, sonar, seismic activity, global positioning, psychological testing, quality control, communications and power systems engineering...
August 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
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