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https://www.readbyqxmd.com/read/28449406/a-water-stable-dual-channel-luminescence-sensor-for-uo22-ion-based-on-an-anionic-terbium-iii-metal-organic-framework
#1
Junwei Ye, Raji Feyisa Bogale, Yangwei Shi, Yanzhen Chen, Xigang Liu, Yaoyao Yang, Siqi Zhang, Jianzhang Zhao, Guiling Ning
A stable 3D Tb(III)-based metal-organic framework [Tb(BPDC)2]*(CH3)2NH2 (DUT-101) was synthesized, and it is the first efficient dual-channel luminescence sensor for aqueous UO22+ ion. DUT-101 possesses an anionic three-dimensional framework and protonated dimethylamine molecules embedded within the channels. Intense green emission of DUT-101 could be highly selectively and sensitively quenched by UO22+ ions even in the coexistence of other competing metal ions. The possible sensing mechanism was proposed as well based on both suppression of luminescence resonance energy transfer and enhancement of intermolecular electronic transfer...
April 27, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28449317/a-comparison-of-individual-based-genetic-distance-metrics-for-landscape-genetics
#2
A J Shirk, E L Landguth, S A Cushman
A major aim of landscape genetics is to understand how landscapes resist gene flow and thereby influence population genetic structure. An empirical understanding of this process provides a wealth of information that can be used to guide conservation and management of species in fragmented landscapes, and also to predict how landscape change may affect population viability. Statistical approaches to infer the true model among competing alternatives are based on the strength of the relationship between pairwise genetic distances and landscape distances among sampled individuals in a population...
April 27, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28449293/a-novel-approach-to-study-medical-decision-making-in-the-clinical-setting-the-own-point-of-view-perspective
#3
Thierry Pelaccia, Jacques Tardif, Emmanuel Triby, Bernard Charlin
BACKGROUND: Making diagnostic and therapeutic decisions is a critical activity among physicians. It relies on the ability of physicians to use cognitive processes and specific knowledge in the context of a clinical reasoning. This ability is a core competency in physicians, especially in the field of emergency medicine where the rate of diagnostic errors is high. Studies that explore medical decision-making in an authentic setting are increasing significantly. They are based on the use of qualitative methods which are applied at two separate times: 1) a video recording of the subject's actual activity in an authentic setting and 2) an interview with the subject, supported by the video recording...
April 27, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28449275/public-perception-of-dermatology-and-dermatologists-in-italy-results-from-a-population-based-national-survey
#4
P Gisondi, G Deangelis, G Venturelli, G Girolomoni
INTRODUCTION: The public perception of Dermatology and dermatologists may be very relevant in guiding strategies for improving dermatologic care but it has been poorly investigated in Europe. OBJECTIVE: To investigate the public's perception of Dermatology and dermatologists in Italy. METHODS: A representative sampling of Italian adults (n=1500, aged 18-70 years), residing throughout the national territory was interviewed through a population-based telephone survey using a structured questionnaire...
April 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28448302/qsen-institute-rn-bsn-task-force-white-paper-on-recommendation-for-systems-based-practice-competency
#5
Ann M Stalter, Janet M Phillips, Mary A Dolansky
The Quality and Safety Education for Nurses (QSEN) Institute RN-BSN Task Force presents a white paper on Recommendation for a Systems-based Practice Competency. The task force proposes a seventh QSEN competency, systems-based practice, to improve patient quality and safety. Recommendations to integrate systems-based practice into both education and practice settings, consistent with job descriptions and promotion criteria, involve a comprehensive continuing education program for nurses upon interview, orientation, residency programming, performance evaluation, and license renewal...
April 26, 2017: Journal of Nursing Care Quality
https://www.readbyqxmd.com/read/28448128/total-chemical-synthesis-and-folding-of-all-l-and-all-d-variants-of-oncogenic-kras-g12v
#6
Adam Marc Levinson, John H McGee, Andrew G Roberts, Gardner Creech, Ting Wang, Michael T Peterson, Ronald C Hendrickson, Gregory L Verdine, Samuel J Danishefsky
The Ras proteins are essential GTPases involved in the regulation of cell proliferation and survival. Mutated oncogenic forms of Ras alter effector binding and innate GTPase activity, leading to deregulation of downstream signal transduction. Mutated forms of Ras are involved in approximately 30% of human cancers. Despite decades of effort to develop direct Ras inhibitors, Ras has long been considered 'undruggable' due to its high affinity for GTP and its lack of hydrophobic binding pockets. Herein, we report a total chemical synthesis of all-L- and all-D-amino acid biotinylated variants of oncogenic mutant KRas(G12V)...
April 27, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28448041/mass-spectrometry-and-luminogenic-based-approaches-to-characterize-phase-i-metabolic-competency-of-in-vitro-cell-cultures
#7
Andrew Baxter, Emmanuel Minet
Xenobiotic metabolizing enzymes play a key function in the biotransformation of medicines and toxicants by adding functional groups that increase solubility and facilitate excretion. On some occasions those structural modifications lead to the formation of new toxic products. In order to reduce animal testing, chemical risk can be assessed using metabolically competent cells. The expression of metabolic enzymes, however, is not stable over time in many in vitro primary culture systems and is often partial or absent in cell lines...
March 28, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447917/differences-in-experiences-of-discrimination-in-accessing-social-services-among-transgender-gender-nonconforming-individuals-by-dis-ability
#8
Shanna K Kattari, N Eugene Walls, Stephanie Rachel Speer
Transgender and gender nonconforming (GNC) individuals frequently experience discrimination and potentially a lack of respect from service providers, suggesting they have decreased access to professionals with cultural competency. Similarly, people with disabilities experience higher levels of discrimination in social services than their nondisabled counterparts. From an intersectional perspective, this study examines rates of discrimination in accessing social services faced by transgender and GNC people, comparing across ability...
April 2017: Journal of Social Work in Disability & Rehabilitation
https://www.readbyqxmd.com/read/28447309/markov-decision-process-measurement-model
#9
Michelle M LaMar
Within-task actions can provide additional information on student competencies but are challenging to model. This paper explores the potential of using a cognitive model for decision making, the Markov decision process, to provide a mapping between within-task actions and latent traits of interest. Psychometric properties of the model are explored, and simulation studies report on parameter recovery within the context of a simple strategy game. The model is then applied to empirical data from an educational game...
April 26, 2017: Psychometrika
https://www.readbyqxmd.com/read/28447028/flipping-classrooms-in-a-school-of-public-health
#10
Steven W Howard, Darcell P Scharff, Travis M Loux
Alternative course formats are gaining increasing attention in higher education. The literature provides a number of examples and studies of flipped classrooms in the medical sciences and liberal arts and sciences. However, fewer than five papers on flipped classes in graduate public health courses have been published, and none in health management. Because graduate public health education is competency based, it seems that a flipped approach with its applied nature would be an appropriate form of teaching public health courses...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28446852/clinical-performance-of-emergency-surgical-officers-in-southern-ethiopia
#11
Abera A Gobeze, Zelalem Kebede, Yifru Berhan, Biku Ghosh
BACKGROUND: Serious shortage of gynecologists and surgeons for several decades leading to a three-year masters level training was initiated in 2009. However, systematic analysis was not done to assess the graduates' performance. The purpose of this study was to assess improvement in access to emergency surgical and obstetrical care services. METHODS: Both quantitative and qualitative methods were employed to assess the competence of emergency surgical officers (ESOs) in their decision making and surgical skills in eight hospitals between 2012 and 2014...
September 2016: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/28446664/analysis-of-competing-hiv-1-splice-donor-sites-uncovers-a-tight-cluster-of-splicing-regulatory-elements-within-exon-2-2b
#12
Anna-Lena Brillen, Lara Walotka, Frank Hillebrand, Lisa Müller, Marek Widera, Stephan Theiss, Heiner Schaal
The HIV-1 accessory protein Vif is essential for viral replication by counteracting the host restriction factor APOBEC3G (A3G), and balanced levels of both proteins are required for efficient viral replication. Non-coding exons 2/2b contain the Vif start codon between their alternatively used splice donors 2 and 2b (D2 and D2b). For the vif mRNA, intron 1 must be removed, while intron 2 must be retained. Thus, splice acceptor 1 (A1) must be activated by U1 snRNP binding to either D2 or D2b, while splicing at D2 or D2b must be prevented...
April 26, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28446613/structural-basis-for-ligand-capture-and-release-by-the-endocytic-receptor-apoer2
#13
Hidenori Hirai, Norihisa Yasui, Keitaro Yamashita, Sanae Tabata, Masaki Yamamoto, Junichi Takagi, Terukazu Nogi
Apolipoprotein E receptor 2 (ApoER2) is a close homologue of low-density lipoprotein receptor (LDLR) that mediates the endocytosis of ligands, including LDL particles. LDLR family members have been presumed to explore a large conformational space to capture ligands in the extended conformation at the cell surface. Ligands are subsequently released through a pH-titrated structural transition to a self-docked, contracted-closed conformation. In addition to lipoprotein uptake, ApoER2 is implicated in signal transduction during brain development through capture of the extracellular protein reelin...
April 26, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28446523/evaluation-of-the-coping-parent-online-universal-programme-study-protocol-for-a-pilot-randomised-controlled-trial
#14
Dawn Adele Owen, Nia Griffith, Judy Hutchings
TRIAL SPONSOR: Bangor University, Brigantia Building, College Road, Bangor, LL57 2AS, UK INTRODUCTION: The COPING parent online universal programme is a web-based parenting intervention for parents of children aged 3-8 years with an interest in positive parenting. The programme focuses on strengthening parent-child relationships and encouraging positive child behaviour. This trial will evaluate whether the intervention is effective in increasing the use of positive parenting strategies outlined in the programme using parent report and blind observation measures...
April 26, 2017: BMJ Open
https://www.readbyqxmd.com/read/28445408/algal-proteins-extraction-application-and-challenges-concerning-production
#15
REVIEW
Stephen Bleakley, Maria Hayes
Population growth combined with increasingly limited resources of arable land and fresh water has resulted in a need for alternative protein sources. Macroalgae (seaweed) and microalgae are examples of under-exploited "crops". Algae do not compete with traditional food crops for space and resources. This review details the characteristics of commonly consumed algae, as well as their potential for use as a protein source based on their protein quality, amino acid composition, and digestibility. Protein extraction methods applied to algae to date, including enzymatic hydrolysis, physical processes, and chemical extraction and novel methods such as ultrasound-assisted extraction, pulsed electric field, and microwave-assisted extraction are discussed...
April 26, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28444536/a-qualitative-look-into-israeli-genetic-experts-insights-regarding-culturally-competent-genetic-counseling-and-recommendations-for-its-enhancement
#16
Merav Siani, Orit Ben-Zvi Assaraf
The aim of this study is to describe the perceptions and recommendations of Israeli genetic experts in regard to culturally competent genetic counseling. Qualitative data was collected from 15 semi-structured interviews with Israeli genetics experts. Recurring themes were identified using "thematic analysis" and coded by means of "grounded theory". Our analysis divides data from the genetic experts' interviews into four main themes: Why is culturally competent genetic counseling important? (Describing its contribution to individuals and to society); who is the recipient of culturally competent genetic counseling? (Differentiating the needs of counselees based on genetic education, cultural/religious characteristics and geographic location); what should we include in culturally competent genetic counseling? (Addressing the contents that counseling should convey); how should we perform culturally competent genetic counseling? (Addressing the methods that counseling should employ)...
April 25, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28443350/the-validation-of-a-school-based-culturally-grounded-drug-prevention-curriculum-for-rural-hawaiian-youth
#17
Scott K Okamoto, Susana Helm, Lindsey K Ostrowski, Lucille Flood
The purpose of this study was to validate a school-based, culturally grounded drug prevention curriculum for rural Native Hawaiian youth. Faculty and administrators from eight geographically dispersed middle-, intermediate-, or multilevel schools on Hawai'i island were interviewed on the cultural relevance and feasibility of implementation of the curriculum (Ho'ouna Pono). While all participants appreciated the culturally specific content interwoven throughout the curriculum's structure, several of them expressed concerns that the curriculum would compete with resources needed to implement Common Core national standards...
April 1, 2017: Health Promotion Practice
https://www.readbyqxmd.com/read/28442941/competency-based-tool-for-evaluation-of-community-based-training-in-undergraduate-medical-education-in-india-a-delphi-approach
#18
Hemant Deepak Shewade, Kathiresan Jeyashree, Selvaraj Kalaiselvi, Chinnakali Palanivel, Krishna Chandra Panigrahi
INTRODUCTION: A community-based training (CBT) program, where teaching and training are carried out in the community outside of the teaching hospital, is a vital part of undergraduate medical education. Worldwide, there is a shift to competency-based training, and CBT is no exception. We attempted to develop a tool that uses a competency-based approach for assessment of CBT. METHODS: Based on a review on competencies, we prepared a preliminary list of major domains with items under each domain...
2017: Advances in Medical Education and Practice
https://www.readbyqxmd.com/read/28442183/assessment-of-competence-in-evar-stent-graft-sizing-and-selection
#19
M Strøm, L Lönn, B Bech, T V Schroeder, L Konge
OBJECTIVES AND BACKGROUND: The aims of this study were to develop a test of competence in endovascular aortic repair (EVAR) stent graft sizing and selection; to examine the test for evidence of validity; and to explore the experience required for the task. METHODS: The test was developed based on a literature review resulting in 22 anatomical assessment points and a graft selection. Validity evidence was explored in an international cross sectional study. Twenty-two consultants with varying levels of experience in the field (novices, intermediates, and experts) were presented with computed tomography angiography of the aortic vessels from three patients...
April 22, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28441936/rationale-and-design-of-bistro-a-randomized-controlled-trial-to-determine-whether-bioimpedance-spectroscopy-guided-fluid-management-maintains-residual-kidney-function-in-incident-haemodialysis-patients
#20
Simon J Davies, Fergus J Caskey, David Coyle, Elizabeth Lindley, Jamie Macdonald, Sandip Mitra, Martin Wilkie, Andrew Davenport, Ken Farrington, Indranil Dasgupta, Paula Ormandy, Lazaros Andronis, Ivonne Solis-Trapala, Julius Sim
BACKGROUND: Preserved residual kidney function (RKF) and normal fluid status are associated with better patient outcomes in incident haemodialysis patients. The objective of this trial is to determine whether using bioimpedance technology in prescribing the optimal post-dialysis weight can reduce the rate of decline of RKF and potentially improve patient outcomes. METHODS/DESIGN: 516 pateints commencing haemodialysis, aged >18 with RKF of > 3 ml/min/1...
April 26, 2017: BMC Nephrology
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