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https://www.readbyqxmd.com/read/28879906/neurosurgery-at-kasturba-medical-college-past-present-and-future
#1
Girish Menon, Rajesh Nair, I K Laskhman, Vinod Kumar, G Lakshmi Prasad
Kasturba Medical College (KMC), Manipal, is the oldest and one of the most reputed medical institutes in coastal Karnataka, catering to a population of over 4 million, spanning a stretch of over 350 kms along the southwest coast of India from Mangalore to Goa. The Department of Neurosurgery at KMC, established in 1968, continues to be the leading and most preferred referral center providing high quality neurosurgical services in this region. The article provides an insight into the origin of the department, its infancy and teething troubles, its continuous growth and landmark achievements over the years...
September 2017: Neurology India
https://www.readbyqxmd.com/read/28863407/high-symmetry-of-visual-acuity-and-visual-fields-in-rpgr-linked-retinitis-pigmentosa
#2
Julia-Sophia Bellingrath, G Alex Ochakovski, Immanuel P Seitz, Susanne Kohl, Eberhart Zrenner, Nicola Hanig, Holger Prokisch, Bernhard H Weber, Susan M Downes, Simon Ramsden, Robert E MacLaren, M Dominik Fischer
Purpose: Mutations in retinitis pigmentosa GTPase regulator (RPGR) cause 70% to 90% of X-linked retinitis pigmentosa (XLRP3) cases, making this gene a high-yield target for gene therapy. This study analyzed the utility of relevant clinical biomarkers to assess symmetry and rate of progression in XLRP3. Methods: A retrospective, cross-sectional analysis of 50 XLRP3 patients extracted clinical data including visual acuity (VA), visual fields (I4e and III4e targets), foveal thickness, and ERG data points alongside molecular genetic data...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28830146/pair-correlation-function-of-a-2d-molecular-gas-directly-visualized-by-scanning-tunneling-microscopy
#3
P Matvija, F Rozbořil, P Sobotík, I Ošt'ádal, P Kocán
The state of matter in fluid phases, determined by the interactions between particles, can be characterized by a pair correlation function (PCF). At the nanoscale, the PCF has been so far obtained experimentally only by means of reciprocal-space techniques. We use scanning tunneling microscopy (STM) at room temperature in combination with lattice-gas kinetic Monte Carlo (KMC) simulations to study a two-dimensional gas of highly mobile molecules of fluorinated copper phthalocyanine on a Si(111)/Tl-(1×1) surface...
August 25, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28820196/on-the-mobility-of-carriers-at-semi-coherent-oxide-heterointerfaces
#4
Pratik P Dholabhai, Enrique Martínez, Nicholas T Brown, Blas Pedro Uberuaga
In the quest to develop new materials with enhanced ionic conductivity for battery and fuel cell applications, nano-structured oxides have attracted attention. Experimental reports indicate that oxide heterointerfaces can lead to enhanced ionic conductivity, but these same reports cannot elucidate the origin of this enhancement, often vaguely referring to pipe diffusion at misfit dislocations as a potential explanation. However, this highlights the need to understand the role of misfit dislocation structure at semi-coherent oxide heterointerfaces in modifying carrier mobilities...
August 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28789555/a-machine-learning-approach-to-graph-theoretical-cluster-expansions-of-the-energy-of-adsorbate-layers
#5
Emanuele Vignola, Stephan N Steinmann, Bart D Vandegehuchte, Daniel Curulla, Michail Stamatakis, Philippe Sautet
The accurate description of the energy of adsorbate layers is crucial for the understanding of chemistry at interfaces. For heterogeneous catalysis, not only the interaction of the adsorbate with the surface but also the adsorbate-adsorbate lateral interactions significantly affect the activation energies of reactions. Modeling the interactions of the adsorbates with the catalyst surface and with each other can be efficiently achieved in the cluster expansion Hamiltonian formalism, which has recently been implemented in a graph-theoretical kinetic Monte Carlo (kMC) scheme to describe multi-dentate species...
August 7, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28780543/electroacupuncture-to-alleviate-postoperative-pain-after-a-laparoscopic-appendectomy-study-protocol-for-a-three-arm-randomised-controlled-trial
#6
Seunghoon Lee, Dongwoo Nam, Minsoo Kwon, Won Seo Park, Sun Jin Park
BACKGROUND: The purpose of this study is to evaluate the efficacy and safety of electroacupuncture (EA) for postoperative pain after laparoscopic appendectomy compared with sham electroacupuncture (SEA) and no acupuncture treatment. METHODS AND ANALYSIS: This study is a protocol for a three-arm, randomised, patient-assessor-blinded (to the type of acupuncture treatment), controlled, parallel trial. 138 participants diagnosed with appendicitis and scheduled for laparoscopic appendectomy will be randomly assigned to the EA group (n=46), SEA group (n=46) or control group (n=46)...
August 4, 2017: BMJ Open
https://www.readbyqxmd.com/read/28732446/mesoscale-structures-in-the-adlayer-of-a-b2-heterogeneous-catalysis
#7
Fei Sun, Wen Lai Huang, Jinghai Li
This paper explores the adsorbate distributions in the adlayer for a model A-B2 system of heterogeneous catalysis, i.e., A + 1/2 B2 → AB, via kinetic Monte Carlo (KMC) simulations. In comparison with our previous work on the A-B model (Chemical Engineering Science 153, 87-92, 2016), species B2 here brings about significant new features due to its special site requirement during adsorption and desorption, and a different stoichiometric ratio in reactions. The effects of various kinetic processes on the adsorbate distribution are found to be similar to those in the A-B system, that is, both desorption and diffusion (besides adsorption) processes contribute to the adlayer uniformity while reactions accounts for clustering...
July 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28711048/beyond-mean-field-approximations-for-accurate-and-computationally-efficient-models-of-on-lattice-chemical-kinetics
#8
M Pineda, M Stamatakis
Modeling the kinetics of surface catalyzed reactions is essential for the design of reactors and chemical processes. The majority of microkinetic models employ mean-field approximations, which lead to an approximate description of catalytic kinetics by assuming spatially uncorrelated adsorbates. On the other hand, kinetic Monte Carlo (KMC) methods provide a discrete-space continuous-time stochastic formulation that enables an accurate treatment of spatial correlations in the adlayer, but at a significant computation cost...
July 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28691610/evidence-suggests-that-kangaroo-mother-care-improves-premature-infant-outcomes
#9
REVIEW
(no author information available yet)
The British Association of Perinatal Medicine ( 2016 ) has reported that 60,000-70,000 infants a year require neonatal intervention in the UK, or about 10% of all babies born in England. The World Health Organization ( 2015 ) found a 0% decrease in mortality rates in neonatal units worldwide through the adoption of KMC.
July 10, 2017: Nursing Children and Young People
https://www.readbyqxmd.com/read/28691609/kangaroo-care-for-low-birthweight-infants
#10
(no author information available yet)
Background Kangaroo mother care (KMC) is defined by the World Health Organization (WHO) as early, continuous and prolonged kin-to-skin contact between mother and baby.
July 10, 2017: Nursing Children and Young People
https://www.readbyqxmd.com/read/28650060/an-adaptive-bias-hybrid-md-kmc-algorithm-for-protein-folding-and-aggregation
#11
Emanuel K Peter, Joan-Emma Shea
In this paper, we present a novel hybrid Molecular Dynamics/kinetic Monte Carlo (MD/kMC) algorithm and apply it to protein folding and aggregation in explicit solvent. The new algorithm uses a dynamical definition of biases throughout the MD component of the simulation, normalized in relation to the unbiased forces. The algorithm guarantees sampling of the underlying ensemble in dependency of one average linear coupling factor 〈α〉τ. We test the validity of the kinetics in simulations of dialanine and compare dihedral transition kinetics with long-time MD-simulations...
June 26, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28592802/a-kinetic-monte-carlo-simulation-method-of-van-der-waals-epitaxy-for-atomistic-nucleation-growth-processes-of-transition-metal-dichalcogenides
#12
Yifan Nie, Chaoping Liang, Pil-Ryung Cha, Luigi Colombo, Robert M Wallace, Kyeongjae Cho
Controlled growth of crystalline solids is critical for device applications, and atomistic modeling methods have been developed for bulk crystalline solids. Kinetic Monte Carlo (KMC) simulation method provides detailed atomic scale processes during a solid growth over realistic time scales, but its application to the growth modeling of van der Waals (vdW) heterostructures has not yet been developed. Specifically, the growth of single-layered transition metal dichalcogenides (TMDs) is currently facing tremendous challenges, and a detailed understanding based on KMC simulations would provide critical guidance to enable controlled growth of vdW heterostructures...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28592313/impact-of-community-initiated-kangaroo-mother-care-on-survival-of-low-birth-weight-infants-study-protocol-for-a-randomized-controlled-trial
#13
Sarmila Mazumder, Sunita Taneja, Suresh Kumar Dalpath, Rakesh Gupta, Brinda Dube, Bireshwar Sinha, Kiran Bhatia, Sachiyo Yoshida, Ole Frithjof Norheim, Rajiv Bahl, Halvor Sommerfelt, Nita Bhandari, Jose Martines
BACKGROUND: Around 70% neonatal deaths occur in low birth weight (LBW) babies. Globally, 15% of babies are born with LBW. Kangaroo Mother Care (KMC) appears to be an effective way to reduce mortality and morbidity among LBW babies. KMC comprises of early and continuous skin-to-skin contact between mother and baby as well as exclusive breastfeeding. Evidence derived from hospital-based studies shows that KMC results in a 40% relative reduction in mortality, a 58% relative reduction in the risk of nosocomial infections or sepsis, shorter hospital stay, and a lower risk of lower respiratory tract infections in babies with birth weight <2000 g...
June 7, 2017: Trials
https://www.readbyqxmd.com/read/28580906/modelling-the-evaporation-of-nanoparticle-suspensions-from-heterogeneous-surfaces
#14
Christopher Chalmers, Roger Smith, Andrew J Archer
We present a kinetic Monte Carlo (KMC) grid-based model for the drying of drops of a nanoparticle suspension upon a heterogeneous surface. The model consists of a generalised lattice-gas in which the interaction parameters in the Hamiltonian can be varied to model different properties of the materials involved. We show how to choose correctly the interactions, to minimise the effects of the underlying grid so that hemispherical droplets form. We also include the effects of surface roughness to examine the effects of contact-line pinning on the dynamics...
June 5, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28574014/community-based-kangaroo-mother-care-for-low-birth-weight-babies-a-pilot-study
#15
Reeta Rasaily, K K Ganguly, M Roy, S N Vani, N Kharood, R Kulkarni, S Chauhan, S Swain, L Kanugo
BACKGROUND & OBJECTIVES: Kangaroo mother care (KMC - early continuous skin-to-skin contact between mother and infants) has been recommended as an alternative care for low birth weight infants. There is limited evidence in our country on KMC initiated at home. The present study was undertaken to study acceptability of KMC in different community settings. METHODS: A community-based pilot study was carried out at three sites in the States of Odisha, Gujarat and Maharashtra covering rural, urban and rural tribal population, respectively...
January 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28551890/-the-challenge-of-providing-high-standard-medical-services-in-a-public-hospital
#16
Shay Nathanson, Carlos Gruzman
Kaplan Medical Center (KMC) provides medical services to about 1 million Israeli citizens. The southern plain region is one of the leading areas in terms of population growth in Israel and as a result, the demand for medical services is constantly on the rise. The workload at KMC is tremendous; over 140,000 referrals to the emergency department with a 6% increase each year. Bed occupancy in the internal wards is above 120% on average per year (the highest in Israel) and ambulatory care referrals are rising at an overwhelming pace...
February 2017: Harefuah
https://www.readbyqxmd.com/read/28534272/braf-mutation-is-associated-with-an-improved-survival-in-glioma-a-systematic-review-and-meta-analysis
#17
REVIEW
Huy Gia Vuong, Ahmed M A Altibi, Uyen N P Duong, Hanh T T Ngo, Thong Quang Pham, Kar-Ming Fung, Lewis Hassell
Newly emerged molecular markers in gliomas provide prognostic values beyond the capabilities of histologic classification. BRAF mutation, especially BRAF V600E, is common in a subset of gliomas and may represent a potential prognostic marker. The aim of our study is to investigate the potential use of BRAF mutations on prognosis of glioma patients. Four electronic databases were searched for potential articles, including PubMed, Scopus, ISI Web of Science, and Virtual Health Library (VHL). Data of hazard ratio (HR) for overall survival (OS) and progression-free survival (PFS) were directly obtained from original papers or indirectly estimated from Kaplan Meier curve (KMC)...
May 22, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28520475/kombucha-multimicrobial-community-under-simulated-spaceflight-and-martian-conditions
#18
O Podolich, I Zaets, O Kukharenko, I Orlovska, O Reva, L Khirunenko, M Sosnin, A Haidak, S Shpylova, E Rabbow, M Skoryk, M Kremenskoy, R Demets, N Kozyrovska, J-P de Vera
Kombucha microbial community (KMC) produces a cellulose-based biopolymer of industrial importance and a probiotic beverage. KMC-derived cellulose-based pellicle film is known as a highly adaptive microbial macrocolony-a stratified community of prokaryotes and eukaryotes. In the framework of the multipurpose international astrobiological project "BIOlogy and Mars Experiment (BIOMEX)," which aims to study the vitality of prokaryotic and eukaryotic organisms and the stability of selected biomarkers in low Earth orbit and in a Mars-like environment, a cellulose polymer structural integrity will be assessed as a biomarker and biotechnological nanomaterial...
May 2017: Astrobiology
https://www.readbyqxmd.com/read/28520427/kinetic-monte-carlo-modeling-of-charge-carriers-in-organic-electronic-devices-suppression-of-the-self-interaction-error
#19
Haoyuan Li, Jean-Luc Brédas
Kinetic Monte Carlo (KMC) simulations have emerged as an important tool to help improve the efficiency of organic electronic devices by providing a better understanding of their device physics. In the KMC simulation of an organic device, the reliability of the results depends critically on the accuracy of the chosen charge-transfer rates, which are themselves strongly influenced by the site-energy differences. These site-energy differences include components coming from the electrostatic forces present in the system, which are often evaluated through electric potentials described by the Poisson equation...
May 22, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28472236/kmc-3-counting-and-manipulating-k-mer-statistics
#20
Marek Kokot, Maciej Dlugosz, Sebastian Deorowicz
Summary: Counting all k -mers in a given dataset is a standard procedure in many bioinformatics applications. We introduce KMC3, a significant improvement of the former KMC2 algorithm together with KMC tools for manipulating k -mer databases. Usefulness of the tools is shown on a few real problems. Availability and implementation: Program is freely available at http://sun.aei.polsl.pl/REFRESH/kmc . Contact: sebastian.deorowicz@polsl.pl. Supplementary information: Supplementary data are available at Bioinformatics online...
September 1, 2017: Bioinformatics
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