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https://www.readbyqxmd.com/read/28448300/assessment-of-the-quality-of-nursing-care-from-perspectives-of-nurses-who-experienced-hospitalization-as-patients
#1
Rana M Elayan, Muayyad M Ahmad
Nurses as patients or caregivers evaluated their care differently than nonnurses. A qualitative design with content analysis was used to provide an assessment of the quality of nursing care by examining nurses' perceptions as recipients of care. The 231 participants were registered nurses recruited from 8 hospitals in Amman, Jordan. Participants evaluated the quality of nursing care as either high (29.5%) or low (70.5%). Four improvement themes emerged: improving competency, serve with caring, professionalism, and administrative factors...
April 26, 2017: Journal of Nursing Care Quality
https://www.readbyqxmd.com/read/28443636/rich-complex-behaviour-of-self-assembled-nanoparticles-far-from-equilibrium
#2
Serim Ilday, Ghaith Makey, Gursoy B Akguc, Özgün Yavuz, Onur Tokel, Ihor Pavlov, Oguz Gülseren, F Ömer Ilday
A profoundly fundamental question at the interface between physics and biology remains open: what are the minimum requirements for emergence of complex behaviour from nonliving systems? Here, we address this question and report complex behaviour of tens to thousands of colloidal nanoparticles in a system designed to be as plain as possible: the system is driven far from equilibrium by ultrafast laser pulses that create spatiotemporal temperature gradients, inducing Marangoni flow that drags particles towards aggregation; strong Brownian motion, used as source of fluctuations, opposes aggregation...
April 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28443619/programming-mrna-decay-to-modulate-synthetic-circuit-resource-allocation
#3
Ophelia S Venturelli, Mika Tei, Stefan Bauer, Leanne Jade G Chan, Christopher J Petzold, Adam P Arkin
Synthetic circuits embedded in host cells compete with cellular processes for limited intracellular resources. Here we show how funnelling of cellular resources, after global transcriptome degradation by the sequence-dependent endoribonuclease MazF, to a synthetic circuit can increase production. Target genes are protected from MazF activity by recoding the gene sequence to eliminate recognition sites, while preserving the amino acid sequence. The expression of a protected fluorescent reporter and flux of a high-value metabolite are significantly enhanced using this genome-scale control strategy...
April 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28437617/electrostatic-origin-of-red-solvatochromic-shift-of-dfhbdi-in-rna-spinach
#4
Samik Bose, Suman Chakrabarty, Debashree Ghosh
Interactions with environment tune the spectral properties of biological chromophores, e.g. fluorescent proteins. Understanding of the relative contribution of the various types of non-covalent interactions in the spectral shifts can provide rational design principles towards developing new fluorescent probes. In this work, we investigate the origin of the red-shift in the absorption spectra of difluoro hydroxybenzylidene dimethyl imidazolinone (DFHBDI) chromophore in RNA Spinach as compared to the aqueous solution...
April 24, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28436526/structural-implications-on-the-excitation-dynamics-of-fluorescent-3h-indolium-cations
#5
Ek Raj Thapaliya, Jaume Garcia-Amorós, Santi Nonell, Burjor Captain, Françisco M Raymo
Fluorescent 3H-indolium cations are valuable components for the realization of activatable fluorophores for bioimaging applications. Their relatively poor fluorescent quantum yields in organic solvents, however, appear to be in contradiction to their good performance in analytical methods based on single-molecule detection. The elucidation of the structural factors governing the excitation dynamics of these compounds is, therefore, essential to rationalize these effects and possibly guide the future design of activatable probes with improved performance...
April 24, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28433884/synthetic-control-of-the-size-shape-and-polydispersity-of-anisotropic-silica-colloids
#6
Ryan P Murphy, Kunlun Hong, Norman J Wagner
The microstructure and rheological properties of colloidal suspensions depend on particle size and shape. This work aims to further control the size, shape, and polydispersity of anisotropic silica colloids, to reduce particle size, and to provide additional mechanistic insights on a prevalent, water-in-oil emulsion synthesis method. Key findings show that the dimensions of anisotropic silica particles can be systematically varied by approximately fivefold, with a limiting minimum particle size (D≈60nm, L≈300nm) obtained from emulsions with excess polyvinylpyrrolidone (PVP) and sodium citrate...
April 11, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28430556/pneumoconioses-radiographs-in-a-large-population-of-u-s-coal-workers-variability-in-a-reader-and-b-reader-classifications-by-using-the-international-labour-office-classification
#7
Cara N Halldin, David J Blackley, Edward L Petsonk, A Scott Laney
Purpose To assess the level of concordance between chest radiographic classifications of A and B Readers in a national surveillance program offered to U.S. coal miners over an approximate 36-year period. Materials and Methods The National Institute for Occupational Safety and Health (NIOSH) Coal Workers' Health Surveillance Program (CWHSP) is a surveillance program with nonresearch designation and is exempt from Human Subjects Review Board approval (11-DRDS-NR03). Thirty-six years of data (1979-2015) from the CWHSP were analyzed, which included all conventional screen-film radiographs with a classification by at least one A Reader and one B Reader...
April 21, 2017: Radiology
https://www.readbyqxmd.com/read/28426203/tyrosine-kinase-activation-and-conformational-flexibility-lessons-from-src-family-tyrosine-kinases
#8
Yilin Meng, Matthew P Pond, Benoît Roux
Protein kinases are enzymes that catalyze the covalent transfer of the γ-phosphate of an adenosine triphosphate (ATP) molecule onto a tyrosine, serine, threonine, or histidine residue in the substrate and thus send a chemical signal to networks of downstream proteins. They are important cellular signaling enzymes that regulate cell growth, proliferation, metabolism, differentiation, and migration. Unregulated protein kinase activity is often associated with a wide range of diseases, therefore making protein kinases major therapeutic targets...
April 20, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28424543/patient-perceptions-of-a-comprehensive-telemedicine-intervention-to-address-persistent-poorly-controlled-diabetes
#9
Sara M Andrews, Nina R Sperber, Jennifer M Gierisch, Susanne Danus, Stephanie L Macy, Hayden B Bosworth, David Edelman, Matthew J Crowley
OBJECTIVE: We studied a telemedicine intervention for persistent poorly controlled diabetes mellitus (PPDM) that combined telemonitoring, self-management support, and medication management. The intervention was designed for practical delivery using existing Veterans Affairs (VA) telemedicine infrastructure. To refine the intervention and inform the delivery of the intervention in other settings, we examined participants' experiences. METHODS: We conducted semistructured interviews with 18 Veterans who completed the intervention...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28422137/effective-in-vivo-therapeutic-igg-antibody-against-vp3-of-enterovirus-71-with-receptor-competing-activity
#10
Qiang Jia, Qingyong Ng, Wenjie Chin, Tao Meng, Vincent Tak Kwong Chow, Cheng-I Wang, Jimmy Kwang, Fang He
Passive immunization is an effective option for treatment against hand, foot and mouth disease caused by EV71, especially with cross-neutralizing IgG monoclonal antibodies. In this study, an EV71-specific IgG2a antibody designated 5H7 was identified and characterized. 5H7 efficiently neutralizes the major EV71 genogroups (A, B4, C2, C4). The conformational epitope of 5H7 was mapped to the highly conserved amino acid position 74 on VP3 capsid protein using escape mutants. Neutralization with 5H7 is mediated by the inhibition of viral attachment, as revealed by virus-binding and post-attachment assays...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28420487/personal-protective-equipment-solution-for-uk-military-medical-personnel-working-in-an-ebola-virus-disease-treatment-unit-in-sierra-leone
#11
P Reidy, T Fletcher, C Shieber, J Shallcross, H Towler, M Ping, L Kenworthy, N Silman, E Aarons
The combination of personal protective equipment (PPE) together with donning and doffing protocols was designed to protect British and Canadian military medical personnel in the Kerry Town Ebola Treatment Unit (ETU) in Sierra Leone. The PPE solution was selected to protect medical staff from infectious risks, notably Ebola virus, and chemical (hypochlorite) exposure. PPE maximized dexterity, enabled personnel to work in hot temperatures for periods of up to 2h, protected mucosal membranes when doffing outer layers, and minimized potential contamination of the doffing area with infectious material by reducing the requirement to spray PPE with hypochlorite...
March 18, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28420329/contrast-enhanced-us-with-perfluorobutane-sonazoid-used-as-a-surveillance-test-for-hepatocellular-carcinoma-hcc-in-cirrhosis-scan-an-exploratory-cross-sectional-study-for-a-diagnostic-trial
#12
MULTICENTER STUDY
Ji Hoon Park, Mi-Suk Park, So Jung Lee, Woo Kyoung Jeong, Jae Young Lee, Min Jung Park, Kyunghwa Han, Chung Mo Nam, Seong Ho Park, Kyoung Ho Lee
BACKGROUND: Ultrasonography (US) is widely used as a standard surveillance tool for patients who are at a high risk of having hepatocellular carcinoma (HCC); however, conventional B-mode US appears to be insufficient in order to ensure the early detection of HCC. Perfluorobutane allows very stable Kupffer phase imaging for at least 60 min, which is tolerable for examinations of the entire liver. The purpose of our study is to evaluate the added value of contrast-enhanced US using perfluorobutane to that of conventional B-mode US as an HCC surveillance tool for patients with liver cirrhosis...
April 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28418752/a-pilot-study-of-the-attractive-features-of-active-videogames-among-chinese-primary-school-children
#13
Patrick W C Lau, Erica Y Lau, Jing Jing Wang, Cheong-Rak Choi, Chang Gyun Kim
OBJECTIVE: The present study (1) explored the attractive features that affect Chinese primary school children's preferences of active videogames (AVGs) and (2) contrasted these findings with those in the Western literature. PARTICIPANTS AND METHODS: A total of 22 Chinese primary school children were recruited and interviewed. Four AVGs (Wii "Boxing," "Wii Fit™ Plus Obstacle Run"; "EyeToy Knockout", "EyeToy Keep ups") from two commercial consoles (Nintendo® Wii™ and Sony PlayStation(®) 2 "EyeToy(®)") were employed...
April 2017: Games for Health
https://www.readbyqxmd.com/read/28418329/phoneme-error-pattern-by-heritage-speakers-of-spanish-on-an-english-word-recognition-test
#14
Lu-Feng Shi
BACKGROUND: Heritage speakers acquire their native language from home use in their early childhood. As the native language is typically a minority language in the society, these individuals receive their formal education in the majority language and eventually develop greater competency with the majority than their native language. To date, there have not been specific research attempts to understand word recognition by heritage speakers. It is not clear if and to what degree we may infer from evidence based on bilingual listeners in general...
April 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28417670/case-logging-practices-in-otolaryngology-residency-training-national-survey-of-residents-and-program-directors
#15
Sarah M Dermody, William Gao, Johnathan D McGinn, Sonya Malekzadeh
Objective (1) Evaluate the consistency and manner in which otolaryngology residents log surgical cases. (2) Assess the extent of instruction and guidance provided by program directors on case-logging practices. Study Design Cross-sectional national survey. Setting Accreditation Council for Graduate Medical Education otolaryngology residency programs in the United States. Subjects and Methods US otolaryngology residents, postgraduate year 2 through graduating chiefs as of July 2016, were recruited to respond to an anonymous questionnaire designed to characterize surgical case-logging practices...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28417593/anomalous-resistance-hysteresis-in-oxide-reram-oxygen-evolution-and-reincorporation-revealed-by-in-situ-tem
#16
David Cooper, Christoph Baeumer, Nicolas Bernier, Astrid Marchewka, Camilla La Torre, Rafal E Dunin-Borkowski, Stephan Menzel, Rainer Waser, Regina Dittmann
The control and rational design of redox-based memristive devices, which are highly attractive candidates for next-generation nonvolatile memory and logic applications, is complicated by competing and poorly understood switching mechanisms, which can result in two coexisting resistance hystereses that have opposite voltage polarity. These competing processes can be defined as regular and anomalous resistive switching. Despite significant characterization efforts, the complex nanoscale redox processes that drive anomalous resistive switching and their implications for current transport remain poorly understood...
April 18, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28410247/ce-original-research-creating-an-evidence-based-progression-for-clinical-advancement-programs
#17
Kathleen G Burke, Tonya Johnson, Christine Sites, Jane Barnsteiner
: Background: The Institute of Medicine (IOM) and the Quality and Safety Education for Nurses (QSEN) project have identified six nursing competencies and supported their integration into undergraduate and graduate nursing curricula nationwide. But integration of those competencies into clinical practice has been limited, and evidence for the progression of competency proficiency within clinical advancement programs is scant. Using an evidence-based approach and building on the competencies identified by the IOM and QSEN, a team of experts at an academic health system developed eight competency domains and 186 related knowledge, skills, and attitudes (KSAs) for professional nursing practice...
May 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28408360/technology-use-and-preferences-for-mobile-phone-based-hiv-prevention-and-treatment-among-black-young-men-who-have-sex-with-men-exploratory-research
#18
Ian W Holloway, Terrell Ja Winder, Charles Herbert Lea, Diane Tan, Donte Boyd, David Novak
BACKGROUND: Black young men who have sex with men (BYMSM) experience higher human immunodeficiency virus (HIV) incidence than their white and Latino counterparts. OBJECTIVE: The aim of our study was to understand BYMSM's preferences for mobile phone-based HIV prevention and treatment in order to inform culturally tailored interventions to reduce the spread of HIV and improve HIV treatment outcomes in this population. METHODS: Qualitative focus groups (N=6) with BYMSM aged 18-29 years (N=41; 46%, 19/41 HIV-positive) were conducted to elucidate their preferences for the design and delivery of mobile phone-based HIV prevention and treatment interventions...
April 13, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28406109/assessment-of-community-based-training-of-medical-undergraduates-development-and-validation-of-a-competency-based-questionnaire
#19
Hemant Deepak Shewade, Kathiresan Jeyashree, Selvaraj Kalaiselvi, Chinnakali Palanivel, Krishna Chandra Panigrahi
BACKGROUND: The global shift toward competency-based education and assessment is also applicable to community-based training (CBT) of undergraduate medical students. There is a need for a tool to assess competencies related to CBT. This study aimed to develop a tool that uses a competency-based approach to evaluate CBT of medical undergraduates. METHODS: A preliminary draft of the questionnaire was prepared by the investigators based on a conceptual framework. Using the Delphi technique, this draft was further developed by a specialist panel (n = 8) into a self-administered questionnaire...
September 2016: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/28405498/cergutuzumab-amunaleukin-cea-il2v-a-cea-targeted-il-2-variant-based-immunocytokine-for-combination-cancer-immunotherapy-overcoming-limitations-of-aldesleukin-and-conventional-il-2-based-immunocytokines
#20
Christian Klein, Inja Waldhauer, Valeria G Nicolini, Anne Freimoser-Grundschober, Tapan Nayak, Danielle J Vugts, Claire Dunn, Marije Bolijn, Jörg Benz, Martine Stihle, Sabine Lang, Michaele Roemmele, Thomas Hofer, Erwin van Puijenbroek, David Wittig, Samuel Moser, Oliver Ast, Peter Brünker, Ingo H Gorr, Sebastian Neumann, Maria Cristina de Vera Mudry, Heather Hinton, Flavio Crameri, Jose Saro, Stefan Evers, Christian Gerdes, Marina Bacac, Guus van Dongen, Ekkehard Moessner, Pablo Umaña
We developed cergutuzumab amunaleukin (CEA-IL2v, RG7813), a novel monomeric CEA-targeted immunocytokine, that comprises a single IL-2 variant (IL2v) moiety with abolished CD25 binding, fused to the C-terminus of a high affinity, bivalent carcinoembryonic antigen (CEA)-specific antibody devoid of Fc-mediated effector functions. Its molecular design aims to (i) avoid preferential activation of regulatory T-cells vs. immune effector cells by removing CD25 binding; (ii) increase the therapeutic index of IL-2 therapy by (a) preferential retention at the tumor by having a lower dissociation rate from CEA-expressing cancer cells vs...
2017: Oncoimmunology
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