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https://www.readbyqxmd.com/read/27914357/moving-toward-heutagogical-learning-illuminating-undergraduate-nursing-students-experiences-in-a-flipped-classroom
#1
Rebecca D Green, Maura C Schlairet
BACKGROUND: Nurse educators rely on the tenets of educational theory and evidence-based education to promote the most effective curriculum and facilitate the best outcomes. The flipped classroom model, in which students assume personal responsibility for knowledge acquisition in a highly engaging and interactive environment, supports self-directed learning and the unique needs of clinical education. OBJECTIVE: To understand how students perceived their experiences in the flipped classroom and how students' learning dispositions were affected by the flipped classroom experience...
November 25, 2016: Nurse Education Today
https://www.readbyqxmd.com/read/27914347/differential-crosstalk-between-global-dna-methylation-and-metabolomics-associated-with-cell-type-specific-stress-response-by-pristine-and-functionalized-mwcnt
#2
Nivedita Chatterjee, Jisu Yang, Dahye Yoon, Suhkmann Kim, Sang-Woo Joo, Jinhee Choi
The present study endeavored to evaluate the comprehensive mechanisms of MWCNT-induced toxicity with particular emphasis on understanding cell specificity in relation to surface functionalization of MWCNT. Following treatment with differentially functionalized (hydroxylation/carboxylation) MWCNT on human bronchial epithelial (BEAS-2B) and human hepatoma (HepG2) cell lines, intracellular uptake, various toxicological end points, global metabolomics profiling and DNA methylation were evaluated. Herein, the comparative in vitro studies ascertained that surface functionalization diminished the toxic potentiality of MWCNT in respect of their pristine counterpart...
November 9, 2016: Biomaterials
https://www.readbyqxmd.com/read/27914326/molecular-interactions-in-high-conductive-gel-electrolytes-based-on-low-molecular-weight-gelator
#3
Michał Bielejewski, Andrzej Łapiński, Oleg Demchuk
Organic ionic gel (OIG) electrolytes, also known as gel electrolytes or ionogels are one example of modern functional materials with the potential to use in wide range of electrochemical applications. The functionality of OIGs arises from the thermally reversible solidification of electrolytes or ionic liquids and their superior ionic conductivity. To understand and to predict the properties of these systems it is important to get the knowledge about the interactions on molecular level between the solid gelator matrix and the electrolyte solution...
November 16, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27914307/a-multivariate-random-parameters-tobit-model-for-analyzing-highway-crash-rates-by-injury-severity
#4
Qiang Zeng, Huiying Wen, Helai Huang, Xin Pei, S C Wong
In this study, a multivariate random-parameters Tobit model is proposed for the analysis of crash rates by injury severity. In the model, both correlation across injury severity and unobserved heterogeneity across road-segment observations are accommodated. The proposed model is compared with a multivariate (fixed-parameters) Tobit model in the Bayesian context, by using a crash dataset collected from the Traffic Information System of Hong Kong. The dataset contains crash, road geometric and traffic information on 224 directional road segments for a five-year period (2002-2006)...
November 30, 2016: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/27914298/effects-of-environmental-noise-exposure-on-dna-methylation-in-the-brain-and-metabolic-health
#5
Liqiong Guo, Peng-Hui Li, Hua Li, Elena Colicino, Silvia Colicino, Yi Wen, Ruiping Zhang, Xiaotian Feng, Timothy M Barrow, Akin Cayir, Andrea A Baccarelli, Hyang-Min Byun
Environmental noise exposure is associated with adverse effects on human health including hearing loss, heart disease, and changes in stress-related hormone levels. Alteration in DNA methylation in response to environmental exposures is a well-known phenomenon and it is implicated in many human diseases. Understanding how environmental noise exposures affect DNA methylation patterns may help to elucidate the link between noise and adverse effects on health. In this pilot study we examined the effects of environmental noise exposure on DNA methylation of genes related to brain function and investigated whether these changes are related with metabolic health...
November 30, 2016: Environmental Research
https://www.readbyqxmd.com/read/27914285/human-parechovirus-and-enterovirus-initiate-distinct-cns-innate-immune-responses-pathogenic-and-diagnostic-implications
#6
Danielle Fortuna, Ana María Cárdenas, Erin H Graf, Larry A Harshyne, D Craig Hooper, Michael Prosniak, John Shields, Mark T Curtis
BACKGROUND: Human parechovirus (HPeV) and enterovirus (EV) cause a range of human diseases including serious CNS infections. Little is known regarding the immune response to HPeV meningitis compared to EV meningitis or how the immune response to HPeV reflects its pathogenesis. OBJECTIVE: To characterize the innate immune response to HPeV CNS infection in order to increase our understanding of HPeV pathogenesis and possibly help identify HPeV in the clinical setting...
November 23, 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/27914283/binding-pattern-of-intermediate-udp-4-keto-xylose-to-human-udp-xylose-synthase-synthesis-and-std-nmr-of-model-keto-saccharides
#7
Claudia Puchner, Thomas Eixelsberger, Bernd Nidetzky, Lothar Brecker
Human UDP-xylose synthase (hUXS1) exclusively converts UDP-glucuronic acid to UDP-xylose via intermediate UDP-4-keto-xylose (UDP-Xyl-4O). Synthesis of model compounds like methyl-4-keto-xylose (Me-Xyl-4O) is reported to investigate the binding pattern thereof to hUXS1. Hence, selective oxidation of the desired hydroxyl function required employment of protecting group chemistry. Solution behavior of synthesized keto-saccharides was studied without enzyme via (1)H and (13)C NMR spectroscopy with respect to existent forms in deuterated potassium phosphate buffer...
November 5, 2016: Carbohydrate Research
https://www.readbyqxmd.com/read/27914276/author-s-response-to-from-the-struggle-of-defining-to-the-understanding-of-dignity-a-commentary-on-barclay-2016-in-sickness-and-in-dignity-a-philosophical-account-of-the-meaning-of-dignity-in-health-care
#8
https://www.readbyqxmd.com/read/27914260/the-extent-of-fermentative-transformation-of-phenolic-compounds-in-the-bioanode-controls-exoelectrogenic-activity-in-a-microbial-electrolysis-cell
#9
Xiaofei Zeng, Maya A Collins, Abhijeet P Borole, Spyros G Pavlostathis
Phenolic compounds in hydrolysate/pyrolysate and wastewater streams produced during the pretreatment of lignocellulosic biomass for biofuel production present a significant challenge in downstream processes. Bioelectrochemical systems are increasingly recognized as an alternative technology to handle biomass-derived streams and to promote water reuse in biofuel production. Thus, a thorough understanding of the fate of phenolic compounds in bioanodes is urgently needed. The present study investigated the biotransformation of three structurally similar phenolic compounds (syringic acid, SA; vanillic acid, VA; 4-hydroxybenzoic acid, HBA), and their individual contribution to exoelectrogenesis in a microbial electrolysis cell (MEC) bioanode...
November 27, 2016: Water Research
https://www.readbyqxmd.com/read/27914236/disentangling-the-mental-health-impact-of-childhood-abuse-and-neglect
#10
Charlotte A M Cecil, Essi Viding, Pasco Fearon, Danya Glaser, Eamon J McCrory
It is unclear whether maltreatment types exert common or specific effects on mental health. In the current study, we aimed to systematically characterize the unique, shared and cumulative effects of maltreatment types on psychiatric symptoms, using data drawn from a community sample of high-risk youth (n=204, M=18.85). Analyses controlled for a range of potentially confounding variables, including socio-demographic variables, neighbourhood deprivation and levels of community violence exposure. Outcome measures included multi-informant reports of internalizing difficulties, as well as data on externalizing problems and trauma-related symptoms...
November 30, 2016: Child Abuse & Neglect
https://www.readbyqxmd.com/read/27914234/food-gastrointestinal-ph-and-models-of-oral-drug-absorption
#11
REVIEW
Ahmad Y Abuhelwa, Desmond B Williams, Richard N Upton, David J R Foster
This article reviews the major physiological and physicochemical principles of the effect of food and gastrointestinal (GI) pH on the absorption and bioavailability of oral drugs, and the various absorption models that are used to describe/predict oral drug absorption. The rate and extent of oral drug absorption is determined by a complex interaction between a drug's physicochemical properties, GI physiologic factors, and the nature of the formulation administered. GI pH is an important factor that can markedly affect oral drug absorption and bioavailability as it may have significant influence on drug dissolution & solubility, drug release, drug stability, and intestinal permeability...
November 30, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27914232/resuscitation-attempts-and-duration-in-traumatic-out-of-hospital-cardiac-arrest
#12
Ben Beck, Janet E Bray, Peter Cameron, Lahn Straney, Emily Andrew, Stephen Bernard, Karen Smith
BACKGROUND: This study aimed to understand factors associated with paramedics' decision to attempt resuscitation in traumatic out-of-hospital cardiac arrest (OHCA) and to characterise resuscitation attempts ≤10min in patients who die at the scene. METHODS: The Victorian Ambulance Cardiac Arrest Registry (VACAR) was used to identify all cases of traumatic OHCA between July 2008 and June 2014. We excluded cases <16 years of age or with a mechanism of hanging or drowning...
November 30, 2016: Resuscitation
https://www.readbyqxmd.com/read/27914223/osteogenesis-imperfecta-new-genes-reveal-novel-mechanisms-in-bone-dysplasia
#13
REVIEW
Heeseog Kang, A C S Aryal, Joan C Marini
Osteogenesis imperfecta (OI) is a skeletal dysplasia characterized by fragile bones and short stature and known for its clinical and genetic heterogeneity which is now understood as a collagen-related disorder. During the last decade, research has made remarkable progress in identifying new OI-causing genes and beginning to understand the intertwined molecular and biochemical mechanisms of their gene products. Most cases of OI have dominant inheritance. Each new gene for recessive OI, and a recently identified gene for X-linked OI, has shed new light on its (often previously unsuspected) function in bone biology...
November 19, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/27914207/demographic-history-of-the-trace-metal-hyperaccumulator-noccaea-caerulescens-j-presl-and-c-presl-f-k-mey-in-western-europe
#14
Cédric Gonneau, Nausicaa Noret, Cécile Godé, Hélène Frérot, Catherine Sirguey, Thibault Sterckeman, Maxime Pauwels
Noccaea caerulescens (Brassicaceae) is a major pseudometallophyte model for the investigation of the genetics and evolution of metal hyperaccumulation in plants. We studied the population genetics and demographic history of this species to advance the understanding of among-population differences in metal hyperaccumulation and tolerance abilities. Sampling of seven to 30 plants was carried out in 62 sites in Western Europe. Genotyping was done using a combination of new chloroplast and nuclear neutral markers...
December 3, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27914203/multiple-processes-drive-genetic-structure-of-humpback-whale-megaptera-novaeangliae-populations-across-spatial-scales
#15
Francine Kershaw, Inês Carvalho, Jacqueline Loo, Cristina Pomilla, Peter B Best, Ken P Findlay, Salvatore Cerchio, Tim Collins, Marcia H Engel, Gianna Minton, Peter Ersts, Jaco Barendse, P G H Kotze, Yvette Razafindrakoto, Solange Ngouessono, Michael Meÿer, Meredith Thorton, Howard C Rosenbaum
Elucidating patterns of population structure for species with complex life histories, and disentangling the processes driving such patterns, remains a significant analytical challenge. Humpback whale (Megaptera novaeangliae) populations display complex genetic structures that have not been fully resolved at all spatial scales. We generated a data set of nuclear markers for 3,575 samples spanning the seven breeding stocks and substocks found in the South Atlantic and western and northern Indian Oceans. For the total sample, and males and females separately, we assessed genetic diversity, tested for genetic differentiation between putative populations and isolation by distance, estimated the number of genetic clusters without a priori population information, and estimated rates of gene flow using maximum likelihood and Bayesian approaches...
December 3, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27914196/ecological-caring-revisiting-the-original-ideas-of-caring-science
#16
Helena Dahlberg, Albertine Ranheim, Karin Dahlberg
The aim of this empirically grounded philosophical paper is to explore the notion of holistic care with the intention to expand it into a notion of ecological care and in such a way revisit the original ideas of caring science. The philosophical analysis, driven by lifeworld theory and especially Merleau-Ponty's philosophy, is firmly rooted in contemporary clinical care. We used interview data from patients in a study at an anthroposophic clinic in Sweden, which forms part of an ecological community with, for example, ecological agriculture...
2016: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/27914191/beyond-the-checklist-understanding-rural-health-vulnerability-in-a-south-african-context
#17
Richard Vergunst, Leslie Swartz, Gubela Mji, Janis Kritzinger, Stine Hellum Braathen
BACKGROUND: Vulnerability in the past has sometimes been measured and understood in terms of checklists or common understanding. It is argued here that vulnerability is a more complex issue than this. Although checklists of vulnerable groups are important, they do not capture the essence and dynamics of vulnerability. OBJECTIVE: The case of rural health vulnerability in South Africa is discussed to show that classifying people into vulnerable groups does not portray the complexity and intricacies of what it means to have vulnerability...
2016: Global Health Action
https://www.readbyqxmd.com/read/27914116/so-it-is-so-it-shall-be-group-regularities-license-children-s-prescriptive-judgments
#18
Steven O Roberts, Susan A Gelman, Arnold K Ho
When do descriptive regularities (what characteristics individuals have) become prescriptive norms (what characteristics individuals should have)? We examined children's (4-13 years) and adults' use of group regularities to make prescriptive judgments, employing novel groups (Hibbles and Glerks) that engaged in morally neutral behaviors (e.g., eating different kinds of berries). Participants were introduced to conforming or non-conforming individuals (e.g., a Hibble who ate berries more typical of a Glerk)...
December 3, 2016: Cognitive Science
https://www.readbyqxmd.com/read/27914088/murine-mycobacterium-marinum-infection-as-a-model-for-tuberculosis
#19
Julia Lienard, Fredric Carlsson
Mycobacteria are a major human health problem globally. Regarding tuberculosis the situation is worsened by the poor efficacy of current vaccine regimens and by emergence of drug-resistant strains (Manjelievskaia J et al, Trans R Soc Trop Med Hyg 110: 110, 2016; Pereira et al., Lancet Infect Dis 12:300-306, 2012; http://www.who.int/tb/publications/global_report/en/) undermining both disease-prevention and available treatments. Thus, increased basic understanding of mycobacterial-and particularly Mycobacterium tuberculosis-virulence strategies and pathogenesis is of great importance...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27914080/immobilization-techniques-of-bacteria-for-live-super-resolution-imaging-using-structured-illumination-microscopy
#20
Amy L Bottomley, Lynne Turnbull, Cynthia B Whitchurch, Elizabeth J Harry
Advancements in optical microscopy technology have allowed huge progression in the ability to understand protein structure and dynamics in live bacterial cells using fluorescence microscopy. Paramount to high-quality microscopy is good sample preparation to avoid bacterial cell movement that can result in motion blur during image acquisition. Here, we describe two techniques of sample preparation that reduce unwanted cell movement and are suitable for application to a number of bacterial species and imaging methods...
2017: Methods in Molecular Biology
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