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https://www.readbyqxmd.com/read/29787034/critical-preparation-and-readiness-to-support-future-change
#1
Elizabeth Curtis, Emma Duffy, Frank O'Rourke, Sylvia Huntley-Moore, Annabel Walsh, Ken Coogan, Catherine Comiskey
The challenging nature of change is well documented and adequate preparation before implementing a change initiative is critical to reducing resistance and increasing its chances of success. This article describes a service review conducted in preparation for possible change and improvement at an internationally ranked school of nursing and midwifery in an Irish tertiary education institution. The purpose of the review was to examine organisational structures and work activities, including pressures facing the administrative team that supports the school, and to establish whether operations were fit for purpose and capable of continuing to support the international ranking...
May 22, 2018: Nursing Management (Harrow)
https://www.readbyqxmd.com/read/29786970/density-functional-theory-calculations-revealing-metal-like-band-structures-for-ultrathin-ge-111-and-211-surface-layers
#2
Chih-Shan Tan, Michael Hsuan-Yi Huang
To find out if germanium should also possess facet-dependent electrical conductivity properties, surface state density functional theory (DFT) calculations were performed on 1-6 layers of Ge (100), (110), (111), and (211) planes. Tunable Ge (100) and (110) planes always present the same semiconducting band structure with a band gap of 0.67 eV expected of bulk germanium. In contrast, 1, 2, 4, and 5 layers of Ge (111) and (211) plane models show metal-like band structures with continuous density of states (DOS) throughout the entire band...
May 21, 2018: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/29786964/a-thorough-qt-qtc-study-with-laquinimod-a-novel-immunomodulator-in-development-for-multiple-sclerosis-and-huntington-disease
#3
Ofer Spiegelstein, Dorit Mimrod, Laura Rabinovich, Eli Eyal, Craig Sprenger, Anna Elgart, Emil Samara, Joel Morganroth
In this randomized double-blind study, 4 groups of healthy subjects (50 per arm) participated to evaluate the effect of laquinimod, an oral treatment in development for multiple sclerosis and Huntington disease, on the QTc interval. Subjects received a dose of either 0.6 or 1.2 mg/day laquinimod for 14 days, placebo for 14 days, or 13 days of placebo followed by a dose of 400 mg moxifloxacin on day 14. Continuous 12-lead electrocardiograms were recorded on day -1 (baseline) and days 14 to 17,  and quadruplicate electrocardiograms were extracted at predefined time points...
May 22, 2018: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/29786947/does-general-experience-affect-self-assessment
#4
Parisa Rezaiefar, Kelly Forse, Joseph K Burns, Sharon Johnston, Elizabeth Muggah, Claire Kendall, Douglas Archibald
BACKGROUND: The assessment of clinical competence is critical in medical education. Understanding the effect of general experience on a physician's self-assessment would help design more effective curricula and evaluations of procedural skills in postgraduate training and continuing professional development (CPD). In this observational study, we assessed the effect of general experience on the correlation between confidence and competence amongst experienced clinicians (ECs) and postgraduate trainees (PGTs) when learning an office-based procedure in pessary care...
May 22, 2018: Clinical Teacher
https://www.readbyqxmd.com/read/29786900/avian-demographic-responses-to-drought-and-fire-a-community-level-perspective
#5
James F Saracco, Stephen M Fettig, George L San Miguel, David W Mehlman, Steven K Albert
Drought stress is an important consideration for wildlife in arid and semi-arid regions under climate change. Drought can impact plant and animal populations directly, through effects on their physiology, as well as indirectly through effects on vegetation productivity and resource availability, and by creating conditions conducive to secondary disturbance, such as wildfire. We implemented a novel approach to understanding community-level demographic responses of birds and their habitats to these stressors in the context of climate change at 14 study sites in the Four Corners region of the southwestern United States...
May 22, 2018: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/29786894/the-prognostic-role-of-phase-angle-in-advanced-cancer-patients-a-systematic-review
#6
REVIEW
Mayane Marinho Esteves Pereira, Mariana Dos Santos Campello Queiroz, Nathália Masiero Cavalcanti de Albuquerque, Juliana Rodrigues, Emanuelly Varea Maria Wiegert, Larissa Calixto-Lima, Livia Costa de Oliveira
Phase angle (PA) is a ratio between the reactance and resistance obtained by bioelectric impedance analysis and has been interpreted as a cell membrane integrity indicator and a predictor of total body cell mass. A low PA may suggest deterioration of the cell membrane, which in advanced cancer patients may result in a reduced overall survival (OS). This systematic review sought to investigate the current evidence regarding whether there is an association between PA and OS in patients with advanced cancer (ie, metastatic disease)...
May 22, 2018: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29786887/perovskite-solar-cells-with-inorganic-electron-and-hole-transport-layers-exhibiting-long-term-%C3%A2-500-h-stability-at-85-%C3%A2-c-under-continuous-1-sun-illumination-in-ambient-air
#7
Seongrok Seo, Seonghwa Jeong, Changdeuck Bae, Nam-Gyu Park, Hyunjung Shin
Despite the high power conversion efficiency (PCE) of perovskite solar cells (PSCs), poor long-term stability is one of the main obstacles preventing their commercialization. Several approaches to enhance the stability of PSCs have been proposed. However, an accelerating stability test of PSCs at high temperature under the operating conditions in ambient air remains still to be demonstrated. Herein, interface-engineered stable PSCs with inorganic charge-transport layers are shown. The highly conductive Al-doped ZnO films act as efficient electron-transporting layers as well as dense passivation layers...
May 22, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29786869/rare-labial-ulcer-related-to-the-use-of-all-trans-retinoic-acid-in-a-patient-with-acute-promyelocytic-leukemia
#8
M P Buligon, J C Mielke, K L Ferrazzo, J Chiesa
Acute promyelocytic leukemia (APL) is a subtype of acute myeloid leukemia (AML). All-trans retinoic acid (ATRA) is the first-choice therapy for the treatment of this disease, but has been associated with side effects, the most serious of which is retinoic acid syndrome (RAS). RAS is characterized by unexplained fever, dyspnea, pulmonary infiltrate, leukocytosis and nephropathy. Genital ulcers have been described in some cases, but only two cases of oral ulcers related to this syndrome have been described in the literature...
May 22, 2018: Special Care in Dentistry
https://www.readbyqxmd.com/read/29786848/annual-report-to-the-nation-on-the-status-of-cancer-part-i-national-cancer-statistics
#9
Kathleen A Cronin, Andrew J Lake, Susan Scott, Recinda L Sherman, Anne-Michelle Noone, Nadia Howlader, S Jane Henley, Robert N Anderson, Albert U Firth, Jiemin Ma, Betsy A Kohler, Ahmedin Jemal
BACKGROUND: The American Cancer Society (ACS), the Centers for Disease Control and Prevention (CDC), the National Cancer Institute (NCI), and the North American Association of Central Cancer Registries (NAACCR) collaborate to provide annual updates on cancer occurrence and trends in the United States. METHODS: Incidence data were obtained from the CDC-funded and NCI-funded population-based cancer registry programs and compiled by NAACCR. Data on cancer deaths were obtained from the National Center for Health Statistics National Vital Statistics System...
May 22, 2018: Cancer
https://www.readbyqxmd.com/read/29786842/correlated-time-variation-of-bulk-microstructure-and-rheology-in-asphalt-binders
#10
A Ramm, N Sakib, A Bhasin, M C Downer
We use near-infrared dark-field optical microscopy to probe isothermal time variation of the volume fraction of naturally-occurring, subsurface microstructures in PG 64-22 asphalt binders at temperature T=30∘C, following a rapid heating (cooling) increment |ΔT|=20∘C from initial temperature T0=10∘C(50∘C). We compare these microstructure variations with isothermal time variations of the magnitude |G30∗(t)| of the bulk complex shear modulus measured for identical sample conditions with a Dynamic Shear Rheometer...
May 22, 2018: Journal of Microscopy
https://www.readbyqxmd.com/read/29786837/high-intensity-ultrasound-for-salmonella-enteritidis-inactivation-in-culture-and-liquid-whole-eggs
#11
Chayapa Techathuvanan, Doris Helen D'Souza
High intensity ultrasound (HIU) continues to be researched as a nonthermal inactivation technology of appeal to food manufacturers. The advantages of HIU include maintenance of product quality, freshness, product homogenization, along with simultaneous inactivation of pathogens. Besides, it is simple, relatively inexpensive, and easily adaptable to most processing environments. This study investigated the effect of HIU for Salmonella Enteritidis inactivation in culture and liquid whole eggs (LWEs) to decrease egg-associated outbreaks...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29786830/blue-light-filtering-intraocular-lenses-iols-for-protecting-macular-health
#12
REVIEW
Laura E Downie, Ljoudmila Busija, Peter R Keller
BACKGROUND: An intraocular lens (IOL) is a synthetic lens that is surgically implanted within the eye following removal of the crystalline lens, during cataract surgery. While all modern IOLs attenuate the transmission of ultra-violet (UV) light, some IOLs, called blue-blocking or blue-light filtering IOLs, also reduce short-wavelength visible light transmission. The rationale for blue-light filtering IOLs derives primarily from cell culture and animal studies, which suggest that short-wavelength visible light can induce retinal photoxicity...
May 22, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29786824/intramedullary-nail-with-integrated-cephalocervical-screws-in-the-intertrochanteric-fractures-treatment-position-of-screws-in-fracture-stability
#13
Gökhan Kaynak, Mehmet Can Ünlü, Mehmet Fatih Güven, Ozan Ali Erdal, Okan Tok, Hüseyin Botanlıoğlu, Önder Aydıngöz
BACKGROUND: Stable fracture fixation is important in the treatment of intertrochanteric femur (ITF) fractures in the elderly population to prevent the loss of reduction, achieve early mobility, and restore independence. The aim of this study was to present the results of surgical treatment of stable and unstable ITF fractures using a trochanteric antegrade intramedullary nail with two cephalocervical screws in an integrated mechanism (Intertan®; Smith & Nephew, Memphis, TN) and evaluate the relationship between the loss of reduction and screw position in the femoral neck in two planes...
May 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29786808/-status-epilepticus-in-children-and-adults
#14
Johan Bjellvi, Niklas Timby, Roland Flink
Status epilepticus, a condition with prolonged or repeated seizures, is a common neurological emergency with significant morbidity and mortality. This text outlines the treatment and initial work-up for convulsive and non-convulsive status epilepticus in adults and children. The most serious form is convulsive (tonic-clonic) status epilepticus, which requires rapid treatment and work-up. Bensodiazepines are the preferred initial treatment, while antiepileptic drugs and anesthetics are added if seizures continue...
May 22, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786784/generation-of-prostate-cancer-patient-derived-xenografts-to-investigate-mechanisms-of-novel-treatments-and-treatment-resistance
#15
Hung-Ming Lam, Holly M Nguyen, Eva Corey
Treatment advances lead to survival benefits of patients with advanced prostate cancer. These treatments are highly efficacious in a subset of patients; however, similarly to other cancers, after initial responses the tumors develop resistance (acquired resistance) and the patients succumb to the disease. Furthermore, there is a subset of patients who do not respond to the treatment at all (de novo resistance). Preclinical testing using patient-derived xenografts (PDXs) has led to successful drug development, and PDXs will continue to provide valuable resources to generate clinically relevant data with translational potential...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786782/preclinical-impact-of-high-dose-intermittent-antiangiogenic-tyrosine-kinase-inhibitor-pazopanib-in-intrinsically-resistant-tumor-models
#16
Elaine Reguera-Nuñez, Shan Man, Ping Xu, Robert S Kerbel
Antiangiogenic tyrosine kinase inhibitors (TKIs) target vascular endothelial growth factor receptors and other receptor tyrosine kinases. As a result of toxicity, the clinical failures or the modest benefits associated with antiangiogenic TKI therapy may be related in some cases to suboptimal drug dosing and scheduling, thereby facilitating resistance. Most antiangiogenic TKIs, including pazopanib, are administered on a continuous daily basis. Here, instead, we evaluated the impact of increasing the dose and administering the drug intermittently...
May 21, 2018: Angiogenesis
https://www.readbyqxmd.com/read/29786722/an-urchin-like-mgco-2-o-4-ppy-core-shell-composite-grown-on-ni-foam-for-a-high-performance-all-solid-state-asymmetric-supercapacitor
#17
Haiwen Gao, Xiaohong Wang, Ganghu Wang, Chen Hao, Saisai Zhou, Chengxiang Huang
In recent years, the electrochemical properties of supercapacitors have been greatly improved due to continuous improvement in their composite materials. In this study, an urchin-like MgCo2O4@PPy/NF (MgCo2O4@polypyrrole/Ni foam) core-shell structure composite material was successfully developed as an electrode for supercapacitors. The MCP-2 composite material, obtained by a hydrothermal method and in situ chemical oxidative polymerization, shows a high specific capacitance of 1079.6 F g-1 at a current density of 1 A g-1, which is much higher than that of MC (783...
May 22, 2018: Nanoscale
https://www.readbyqxmd.com/read/29786661/suspended-carbon-nanotubes-for-humidity-sensing
#18
Shivaram Arunachalam, Anubha A Gupta, Ricardo Izquierdo, Frederic Nabki
A room temperature microfabrication technique using SU8, an epoxy-based highly functional photoresist as a sacrificial layer, is developed to obtain suspended aligned carbon nanotube beams. The humidity-sensing characteristics of aligned suspended single-walled carbon nanotube films are studied. A comparative study between suspended and non-suspended architectures is done by recording the resistance change in the nanotubes under humidity. For the tests, the humidity was varied from 15% to 98% RH. A comparative study between suspended and non-suspended devices shows that the response and recovery times of the suspended devices was found to be almost 3 times shorter than the non-suspended devices...
May 22, 2018: Sensors
https://www.readbyqxmd.com/read/29786651/clinical-efficacy-associated-with-enhanced-antioxidant-enzyme-activities-of-silver-nanoparticles-biosynthesized-using-moringa-oleifera-leaf-extract-against-cutaneous-leishmaniasis-in-a-murine-model-of-leishmania-major
#19
Manal El-Khadragy, Ebtesam M Alolayan, Dina M Metwally, Mohamed F Serag El-Din, Sara S Alobud, Nour I Alsultan, Sarah S Alsaif, Manal A Awad, Ahmed E Abdel Moneim
Leishmaniasis is one of the most significant vector-borne syndromes of individuals. This parasitic infection can be affected by many species of Leishmania, most of which are zoonotic. Natural products have made and are continuing to make important contributions to the search for new antileishmanial agents. The use of plants in the production assembly of silver nanoparticles has drawn attention because of its rapid, eco-friendly, non-pathogenic, economical protocol and provides a single step technique for the biosynthetic process...
May 22, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29786614/a-novel-optimization-framework-for-vmat-with-dynamic-gantry-couch-rotation
#20
Qihui Lyu, Victoria Y Yu, Dan Ruan, Ryan Neph, Daniel O'Connor, Ke Sheng
Existing Volumetric Modulated Arc Therapy (VMAT) optimization using coplanar arcs is highly efficient but usually dosimetrically inferior to intensity modulated radiation therapy (IMRT) with optimized non-coplanar beams. To achieve both dosimetric quality and delivery efficiency, we proposed in this study, a novel integrated optimization method for non-coplanar VMAT (4πVMAT). 4πVMAT with Direct Aperture Optimization (DAO) was achieved by utilizing a least square dose fidelity objective, along with an anisotropic total variation term for regularizing the fluence smoothness, a single segment term for imposing simple apertures, and a group sparsity term for selecting beam angles...
May 22, 2018: Physics in Medicine and Biology
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