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https://www.readbyqxmd.com/read/28229477/-why-not-you-discourses-of-widening-access-on-uk-medical-school-websites
#1
Kirsty Alexander, Tania Fahey Palma, Sandra Nicholson, Jennifer Cleland
CONTEXT: In the UK, applications to medicine from those in lower socio-economic groups remain low despite significant investments of time, interest and resources in widening access (WA) to medicine. This suggests that medical schools' core messages about WA may be working to embed or further reinforce marginalisation, rather than to combat this. Our objective was to investigate how the value of WA is communicated by UK medical schools through their websites, and how this may create expectations regarding who is 'suitable' for medicine...
February 22, 2017: Medical Education
https://www.readbyqxmd.com/read/28229153/calculations-of-current-densities-for-neutral-and-doubly-charged-persubstituted-benzenes-using-effective-core-potentials
#2
Markus Rauhalahti, Stefan Taubert, Dage Sundholm, Vincent Liégeois
Magnetically induced current density susceptibilities and ring-current strengths have been calculated for neutral and doubly charged persubstituted benzenes C6X6 and C6X6(2+) with X = F, Cl, Br, I, At, SeH, SeMe, TeH, TeMe, and SbH2. The current densities have been calculated using the gauge-including magnetically induced current (GIMIC) method, which has been interfaced to the Gaussian electronic structure code rendering current density calculations using effective core potentials (ECP) feasible. Relativistic effects on the ring-current strengths have been assessed by employing ECP calculations of the current densities...
February 23, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28227764/enhanced-dual-stage-correlated-diffusion-imaging
#3
Farzad Khalvati, Junjie Zhang, Masoom A Haider, Alexander Wong, Farzad Khalvati, Junjie Zhang, Masoom A Haider, Alexander Wong, Farzad Khalvati, Alexander Wong, Junjie Zhang, Masoom A Haider
Prostate cancer is the most common form of cancer and third leading cause of cancer death in Canadian men. Multi-parametric magnetic resonance imaging (mpMRI) has become a powerful non-invasive diagnostic tool for the detection of prostate cancer. Among mpMRI imaging modalities, diffusion-weighed imaging has shown the most promising results in accurate detection of prostate cancer. Introduced recently, correlated diffusion imaging (CDI) is a new form of diffusion imaging which accounts for the joint correlation of diffusion signal attenuation across multiple gradient pulse strengths and timings to improve the separability of cancerous and healthy tissues...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225216/the-multiple-consultant-report-new-assessment-same-old-problems
#4
Omar Mukhtar, Jessica Griffin, Salma Naheed, Catherine Bryant
BACKGROUND: In December 2013 the Multiple Consultant Report (MCR) was introduced as an assessment tool for junior doctors (i.e. doctors below specialist status) in the UK, including those undertaking core medical training (CMT). It aims to capture the views of consultant supervisors about a doctor's clinical performance. OBJECTIVE: Despite the mandatory nature of the MCR there is no published academic evaluation of this tool as an assessment of, or for, learning...
February 22, 2017: Clinical Teacher
https://www.readbyqxmd.com/read/28225022/core-shell-nanoparticle-arrays-double-the-strength-of-steel
#5
J-B Seol, S-H Na, B Gault, J-E Kim, J-C Han, C-G Park, D Raabe
Manipulating structure, defects and composition of a material at the atomic scale for enhancing its physical or mechanical properties is referred to as nanostructuring. Here, by combining advanced microscopy techniques, we unveil how formation of highly regular nano-arrays of nanoparticles doubles the strength of an Fe-based alloy, doped with Ti, Mo, and V, from 500 MPa to 1 GPa, upon prolonged heat treatment. The nanoparticles form at moving heterophase interfaces during cooling from the high-temperature face-centered cubic austenite to the body-centered cubic ferrite phase...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28221337/modulation-of-digital-flexor-tendon-healing-by-vascular-endothelial-growth-factor-gene-transfection-in-a-chicken-model
#6
W F Mao, Y F Wu, Q Q Yang, Y L Zhou, J B Tang
A major challenge in tendon injury is the weak intrinsic healing capacity of tendon, which may cause re-rupture after surgery. Growth factors are believed to be critical during tendon healing. This study aimed to investigate the effects of vascular endothelial growth factor (VEGF) genes delivered by adeno-associated virus (AAV) vectors on tendon healing and molecular events involved in a chicken model. One hundred and twenty eight deep flexor tendons in the long toes of chickens were completely transected and injected with 2 × 10(9) particles of AAV2-VEGF or saline before surgically repaired...
February 21, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28220251/triple-aim-improvement-for-individuals-services-and-society-in-dementia-care-the-dementianet-collaborative-care-approach
#7
M S Nieuwboer, A Richters, M A van der Marck
BACKGROUND: A redesigning of primary care is required to meet dementia patients' needs. In the Netherlands, current dementia care still falls short in areas including ad hoc collaboration, lack of feedback on quality to professionals involved, and insufficient implementation of established multidisciplinary guidelines. OBJECTIVE: DementiaNet is a collaborative care approach, which aims to reduce the burden of the disease on individuals, healthcare services and society via network-based care that encourages collaboration, enhances knowledge and skills and stimulates quality improvement cycles...
February 20, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28217414/dance-balance-and-core-muscle-performance-measures-are-improved-following-a-9-week-core-stabilization-training-program-among-competitive-collegiate-dancers
#8
Todd Watson, Jessica Graning, Sue McPherson, Elizabeth Carter, Joshuah Edwards, Isaac Melcher, Taylor Burgess
BACKGROUND: Dance performance requires not only lower extremity muscle strength and endurance, but also sufficient core stabilization during dynamic dance movements. While previous studies have identified a link between core muscle performance and lower extremity injury risk, what has not been determined is if an extended core stabilization training program will improve specific measures of dance performance. HYPOTHESIS/PURPOSE: This study examined the impact of a nine-week core stabilization program on indices of dance performance, balance measures, and core muscle performance in competitive collegiate dancers...
February 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28216664/iron-isotopic-fractionation-between-silicate-mantle-and-metallic-core-at-high-pressure
#9
Jin Liu, Nicolas Dauphas, Mathieu Roskosz, Michael Y Hu, Hong Yang, Wenli Bi, Jiyong Zhao, Esen E Alp, Justin Y Hu, Jung-Fu Lin
The +0.1‰ elevated (56)Fe/(54)Fe ratio of terrestrial basalts relative to chondrites was proposed to be a fingerprint of core-mantle segregation. However, the extent of iron isotopic fractionation between molten metal and silicate under high pressure-temperature conditions is poorly known. Here we show that iron forms chemical bonds of similar strengths in basaltic glasses and iron-rich alloys, even at high pressure. From the measured mean force constants of iron bonds, we calculate an equilibrium iron isotope fractionation between silicate and iron under core formation conditions in Earth of ∼0-0...
February 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28205481/a-comparison-of-two-monofilament-suture-materials-for-repair-of-partial-flexor-tendon-lacerations-a-controlled-in-vitro-study
#10
Abhinav Gulihar, Thomas Whitehead-Clarke, Ladan Hajipour, Joe J Dias
BACKGROUND: Surgical repair is advocated for flexor tendon lacerations deeper than 70%. Repair can be undertaken with different suturing techniques and using different materials. Different materials used for tendon repair will have a different gliding resistance (GR) at the joint. Previous studies have compared strength of repair and gliding resistance for various braided suture materials and for 100% laceration of flexor tendons. We directly compare the GR of two monofilament sutures when used for a peripheral running suture repair of partially lacerated tendons...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28202922/removal-of-silver-nanoparticles-by-mussel-inspired-fe3o4-polydopamine-core-shell-microspheres-and-its-use-as-efficient-catalyst-for-methylene-blue-reduction
#11
Maoling Wu, Yinying Li, Rui Yue, Xiaodan Zhang, Yuming Huang
The removal of silver nanoparticles (AgNPs) from water is highly needed because of their increasing use and potential risk to the environment due to their toxic effects. Catalysis over AgNPs has received significant attention because of their highly catalytic performance. However, their use in practical applications is limited due to high cost and limited resources. Here, we present for the first time that the mussel-inspired Fe3O4@polydopamine (Fe3O4@PDA) nanocomposite can be used for efficient removal and recovery of AgNPs...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28195276/an-experimental-thermally-deposited-coating-for-improved-bonding-to-glass-fiber-posts
#12
Giselle Rodrigues Reis, Fernanda Pereira Silva, Aline Oliveira-Ogliari, André Luis Faria-E-Silva, Rafael R Moraes, Veridiana Resende Novais, Murilo de Sousa Menezes
PURPOSE: To determine whether an experimental thermally deposited siloxane-methacrylate coating for use in industrial scale applications would improve the bond strength of resin-based materials to glass fiber posts (GFPs) without affecting their mechanical properties. MATERIALS AND METHODS: An experimental 5% (w/v) solution of methacryloxypropyltrimethoxysilane was prepared. Two types of GFPs (Exacto, Angelus; White Post DC, FGM) were divided into the following groups: S: silane; SA: silane and adhesive; HS: 35% H₂O₂ and silane; HSA: 35% H₂O₂, silane and adhesive; Exp: siloxane-methacrylate coating (Si-O) via post immersion in experimental solution followed by heating; Exp-S: silane after Si-O treatment; Exp-A: adhesive after Si-O treatment; and Exp-SA: silane and adhesive after Si-O treatment...
February 10, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28194947/derivation-of-the-statistical-distribution-of-the-mass-peak-centroids-of-mass-spectrometers-employing-analog-to-digital-converters-and-electron-multipliers
#13
Andreas Ipsen
The mass peak centroid is a quantity that is at the core of mass spectrometry (MS). However, despite its central status in the field, models of its statistical distribution are often chosen quite arbitrarily and without attempts at establishing a proper theoretical justification for their use. Recent work has demonstrated that for mass spectrometers employing analog-to-digital converters (ADCs) and electron multipliers, the statistical distribution of the mass peak intensity can be described via a relatively simple model derived essentially from first principles...
February 3, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28194734/physical-and-physiological-profiles-of-brazilian-jiu-jitsu-athletes-a-systematic-review
#14
REVIEW
Leonardo Vidal Andreato, Francisco Javier Díaz Lara, Alexandro Andrade, Braulio Henrique Magnani Branco
BACKGROUND: Brazilian jiu-jitsu is a grappling combat sport that has intermittency as its core element; in other words, actions of high, moderate and low intensity are interspersed during matches, requiring a high level of conditioning to support optimal levels of performance for the total match time. The athletes perform from four to six matches during a day of competition, and this number may increase if the open-class competition, which is held parallel to the competition by weight class, is considered...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28191928/self-assembling-multidomain-peptide-nanofibers-for-delivery-of-bioactive-molecules-and-tissue-regeneration
#15
Amanda N Moore, Jeffrey D Hartgerink
Multidomain peptides (MDPs) are a class of self-assembling peptides that are organized in a β-sheet motif, resulting in a nanofibrous architecture. This structure is stabilized by hydrophobic packing in the fiber core and a hydrogen-bonding network down the fiber long axis. Under easily controllable conditions, regulated by electrostatic interactions between the peptides and the pH and salt composition of the solvent, the nanofiber length can be dramatically extended, resulting in fiber entanglement and hydrogel formation...
February 13, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28190812/influence-of-core-thickness-and-artificial-aging-on-the-biaxial-flexural-strength-of-different-all-ceramic-materials-an-in-vitro-study
#16
Sibel Dikicier, Simel Ayyildiz, Julide Ozen, Cumhur Sipahi
The purpose of this study was to investigate the flexural strength of all-ceramics with varying core thicknesses submitted to aging. In-Ceram Alumina (IC), IPS e.max Press (EM) and Katana (K) (n=40), were selected. Each group contained two core groups based on the core thickness as follows: IC/0.5, IC/0.8, EM/0.5, EM/0.8, K/0.5 and K/0.8 mm in thickness (n=20 each). Ten specimens from each group were subjected to aging and all specimens were tested for strength in a testing machine either with or without being subjected aging...
February 11, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28186769/strong-metal-phosphide-interactions-in-core-shell-geometry-for-enhanced-electrocatalysis
#17
Xiaolin Li, Wen Liu, Minye Zhang, Yiren Zhong, Zhe Weng, Yingying Mi, Yu Zhou, Min Li, Judy J Cha, Zhiyong Tang, Hong Jiang, Xueming Li, Hailiang Wang
Rational design of multicomponent material structures with strong interfacial interactions enabling enhanced electrocatalysis represents an attractive but underdeveloped paradigm for creating better catalysts for important electrochemical energy conversion reactions. In this work, we report metal@phosphide core@shell nanostructures as a new model electrocatalyst material system where the surface electronic states of the shell phosphide and its interactions with reaction intermediates can be effectively influenced by the core metal to achieve higher catalytic activity...
February 10, 2017: Nano Letters
https://www.readbyqxmd.com/read/28186408/functional-microgels-and-microgel-systems
#18
Felix A Plamper, Walter Richtering
Microgels are macromolecular networks swollen by the solvent in which they are dissolved. They are unique systems that are distinctly different from common colloids, such as, e.g., rigid nanoparticles, flexible macromolecules, micelles, or vesicles. The size of the microgel networks is in the range of several micrometers down to nanometers (then sometimes called "nanogels"). In a collapsed state, they might resemble hard colloids but they can still contain significant amounts of solvent. When swollen, they are soft and have a fuzzy surface with dangling chains...
February 10, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28181048/evolutionary-mechanism-and-biological-functions-of-8-mers-containing-cg-dinucleotide-in-yeast
#19
Yan Zheng, Hong Li, Yue Wang, Hu Meng, Qiang Zhang, Xiaoqing Zhao
The rules of k-mer non-random usage and the biological functions are worthy of special attention. Firstly, the article studied human 8-mer spectra and found that only the spectra of cytosine-guanine (CG) dinucleotide classification formed independent unimodal distributions when the 8-mers were classified into three subsets under 16 dinucleotide classifications. Secondly, the distribution rules were reproduced by other seven species including yeast, which showed that the evolution phenomenon had species universality...
February 9, 2017: Chromosome Research
https://www.readbyqxmd.com/read/28178791/statistical-thermodynamic-model-for-light-scattering-from-eye-lens-protein-mixtures
#20
Michael M Bell, David S Ross, Maurino P Bautista, Hossein Shahmohamad, Andreas Langner, John F Hamilton, Carrie N Lahnovych, George M Thurston
We model light-scattering cross sections of concentrated aqueous mixtures of the bovine eye lens proteins γB- and α-crystallin by adapting a statistical-thermodynamic model of mixtures of spheres with short-range attractions. The model reproduces measured static light scattering cross sections, or Rayleigh ratios, of γB-α mixtures from dilute concentrations where light scattering intensity depends on molecular weights and virial coefficients, to realistically high concentration protein mixtures like those of the lens...
February 7, 2017: Journal of Chemical Physics
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