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https://www.readbyqxmd.com/read/28637136/virtual-environment-navigation-with-look-around-mode-to-explore-new-real-spaces-by-people-who-are-blind
#1
Orly Lahav, Hadas Gedalevitz, Steven Battersby, David Brown, Lindsay Evett, Patrick Merritt
BACKGROUND: This paper examines the ability of people who are blind to construct a mental map and perform orientation tasks in real space by using Nintendo Wii technologies to explore virtual environments. The participant explores new spaces through haptic and auditory feedback triggered by pointing or walking in the virtual environments and later constructs a mental map, which can be used to navigate in real space. METHODS: The study included 10 participants who were congenitally or adventitiously blind, divided into experimental and control groups...
February 10, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637096/uncovering-the-decision-making-work-of-transferring-dying-patients-home-from-critical-care-units-an-integrative-review
#2
REVIEW
Yanxia Lin, Michelle Myall, Nikki Jarrett
AIMS: To understand how decisions are made to transfer dying patients home from critical care units. BACKGROUND: Many people prefer a home death, but a high proportion die in critical care units. Transferring dying patients home is recognized to be complex but transfer decision-making itself remains unclear. DESIGN: Integrative review. DATA SOURCES: Seven bibliographic databases (origin - 2015), grey literature and reference lists were searched...
June 21, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28637053/a-new-analytical-method-for-characterizing-nonlinear-visual-processes-with-stimuli-of-arbitrary-distribution-theory-and-applications
#3
Ryusuke Hayashi, Osamu Watanabe, Hiroki Yokoyama, Shin'ya Nishida
Characterization of the functional relationship between sensory inputs and neuronal or observers' perceptual responses is one of the fundamental goals of systems neuroscience and psychophysics. Conventional methods, such as reverse correlation and spike-triggered data analyses are limited in their ability to resolve complex and inherently nonlinear neuronal/perceptual processes because these methods require input stimuli to be Gaussian with a zero mean. Recent studies have shown that analyses based on a generalized linear model (GLM) do not require such specific input characteristics and have advantages over conventional methods...
June 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28636762/european-diabetes-research-and-its-funding-2002-2013
#4
M Begum, G Lewison, S Sommariva, O Ciani, R Tarricone, R Sullivan
AIM: This study examined the outputs of research papers in diabetes from 31 European countries between 2002 and 2013, and their funding. METHODS: Diabetes research papers in the Web of Science were identified by means of a filter based on journals and title words. For 2009-2013 papers, the funders were coded to show their sector and nationality. RESULTS: Europe published 40 547 diabetes papers in the 12 years between 2002 and 2013. Denmark, Sweden and Finland published the most relative to their wealth, but the UK published the most absolutely despite an apparently low burden (as measured by disability-adjusted life years)...
June 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28636678/measurement-properties-of-patient-reported-outcome-measures-proms-used-in-adult-patients-with-chronic-kidney-disease-a-systematic-review
#5
Olalekan Lee Aiyegbusi, Derek Kyte, Paul Cockwell, Tom Marshall, Adrian Gheorghe, Thomas Keeley, Anita Slade, Melanie Calvert
BACKGROUND: Patient-reported outcome measures (PROMs) can provide valuable information which may assist with the care of patients with chronic kidney disease (CKD). However, given the large number of measures available, it is unclear which PROMs are suitable for use in research or clinical practice. To address this we comprehensively evaluated studies that assessed the measurement properties of PROMs in adults with CKD. METHODS: Four databases were searched; reference list and citation searching of included studies was also conducted...
2017: PloS One
https://www.readbyqxmd.com/read/28636581/the-psylog-mobile-application-development-of-a-tool-for-the-assessment-and-monitoring-of-side-effects-of-psychotropic-medication
#6
Martina Rojnic Kuzman, Olivier Andlauer, Kai Burmeister, Boris Dvoracek, Rebekka Lencer, Katja Koelkebeck, Alexander Nawka, Florian Riese
Mobile health interventions are regarded as affordable and accessible tools that can enhance standard psychiatric care. As part of the mHealth Psycho-Educational Intervention Versus Antipsychotic-Induced Side Effects (mPIVAS) project (www.psylog.eu), we developed the mobile application "PsyLOG" based on mobile "smartphone" technology to monitor antipsychotic-induced side effects. The aim of this paper is to describe the rationale and development of the PsyLOG and its clinical use. The PsyLOG application runs on smartphones with Android operating system...
June 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28636578/human-neuropsin-gene-in-depression
#7
Kinga Bobińska, Joanna Mossakowska-Wójcik, Janusz Szemraj, Piotr Gałecki, Marlena Zajączkowska, Monika Talarowska
BACKGROUND: Neuropsin (NP, kallikrein 8, KLK8) - a kallikrein gene-related (KLK) endoprotease - plays a key role in neuroplasticity processes, since intracellular signal cascades and regulation of gene expression are engaged in long-term synaptic plasticity. The main aim of this paper is to compare expression of the human neuropsin gene on the mRNA level in a group of patients diagnosed with depression and in a group of healthy subjects who have never been treated psychiatrically. SUBJECTS AND METHODS: 291 people, aged 18-67, were qualified to participate in the experiment: major recurrent depression group (MRD) and the control group (CG)...
June 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28636377/enthalpies-of-formation-of-hydrazine-and-its-derivatives
#8
Olga V Dorofeeva, Oxana N Ryzhova, Taisiya A Suchkova
Enthalpies of formation, ∆_f H_298^°, both in the gas and condensed phase, and enthalpies of sublimation or vaporization have been estimated for hydrazine, NH2NH2, and its 36 various derivatives using quantum chemical calculations. The composite G4 method has been used along with isodesmic reaction schemes to derive a set of self-consistent high accuracy gas-phase enthalpies of formation. To estimate the enthalpies of sublimation and vaporization with reasonable accuracy (5-20 kJ/mol), the method of molecular electrostatic potential (MEP) has been used...
June 21, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28635674/exploring-wound-healing-genomic-machinery-with-a-network-based-approach
#9
Francesca Vitali, Simone Marini, Martina Balli, Hanne Grosemans, Maurilio Sampaolesi, Yves A Lussier, Maria Gabriella Cusella De Angelis, Riccardo Bellazzi
The molecular mechanisms underlying tissue regeneration and wound healing are still poorly understood despite their importance. In this paper we develop a bioinformatics approach, combining biology and network theory to drive experiments for better understanding the genetic underpinnings of wound healing mechanisms and for selecting potential drug targets. We start by selecting literature-relevant genes in murine wound healing, and inferring from them a Protein-Protein Interaction (PPI) network. Then, we analyze the network to rank wound healing-related genes according to their topological properties...
June 21, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28635670/single-lead-fetal-ecg-extraction-based-on-a-parallel-marginalized-particle-filter
#10
Zhidong Zhao, Huiling Tong, Yanjun Deng, Wen Xu, Yefei Zhang, Haihui Ye
This paper presents a novel method for extracting the fetal ECG (FECG) from a single-lead abdominal signal. A dynamical model for a modified abdominal signal is proposed, in which both the maternal ECG (MECG) and the FECG are modeled, and then a parallel marginalized particle filter (par-MPF) is used for tracking the abdominal signal. Finally, the FECG and MECG are simultaneously separated. Several experiments are conducted using both simulated and clinical signals. The results indicate that the method proposed in this paper effectively extracts the FECG and outperforms other Bayesian filtering algorithms...
June 21, 2017: Sensors
https://www.readbyqxmd.com/read/28635629/light-emitting-marker-for-robust-vision-based-on-the-spot-bacterial-growth-detection
#11
Kyukwang Kim, Jieum Hyun, Jessie S Jeon
Simple methods using the striped pattern paper marker and FFT (fast Fourier transformation) have been proposed as alternatives to measuring the optical density for determining the level of bacterial growth. The marker-based method can be easily automated, but due to image-processing-base of the method, the presence of light or the color of the culture broth can disturb the detection process. This paper proposes a modified version of marker-FFT-based growth detection that uses a light emitting diode (LED) array as a marker...
June 21, 2017: Sensors
https://www.readbyqxmd.com/read/28635623/compressed-sensing-reconstruction-based-on-block-sparse-bayesian-learning-in-bearing-condition-monitoring
#12
Jiedi Sun, Yang Yu, Jiangtao Wen
Remote monitoring of bearing conditions, using wireless sensor network (WSN), is a developing trend in the industrial field. In complicated industrial environments, WSN face three main constraints: low energy, less memory, and low operational capability. Conventional data-compression methods, which concentrate on data compression only, cannot overcome these limitations. Aiming at these problems, this paper proposed a compressed data acquisition and reconstruction scheme based on Compressed Sensing (CS) which is a novel signal-processing technique and applied it for bearing conditions monitoring via WSN...
June 21, 2017: Sensors
https://www.readbyqxmd.com/read/28635496/internet-based-peer-support-for-m%C3%A3-ni%C3%A3-re-s-disease-a-summary-of-web-based-data-collection-impact-evaluation-and-user-evaluation
#13
Ilmari Pyykkő, Vinaya Manchaiah, Hilla Levo, Erna Kentala, Martti Juhola
OBJECTIVE: This paper presents a summary of web-based data collection, impact evaluation, and user evaluations of an Internet-based peer support program for Ménière's disease (MD). DESIGN: The program is written in html-form. The data are stored in a MySQL database and uses machine learning in the diagnosis of MD. The program works interactively with the user and assesses the participant's disorder profile in various dimensions (i.e., symptoms, impact, personal traits, and positive attitude)...
February 9, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28635412/gamete-donors-reasons-for-and-expectations-and-experiences-of-registration-with-a-voluntary-donor-linking-register
#14
Eric Blyth, Marilyn Crawshaw, Lucy Frith, Olga van den Akker
This paper reports on a study of the views and experiences of 21 sperm donors and five egg donors registered with UK DonorLink (UKDL), a voluntary DNA-based contact register established to facilitate contact between adults who wish to identify and locate others to whom they are genetically related following donor conception. Specifically, the paper examines donors' reasons for searching for, or making information about themselves available to donor-conceived offspring. Their expectations of registration with UKDL, experiences of being registered and finally, the experiences of those who had contacted donor-conceived offspring and other genetic relatives are investigated...
February 21, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28635291/fractal-model-for-wettability-of-rough-surfaces
#15
Rahul Jain, Ranga Pitchumani
This paper presents a fractal model to describe wettability on multiscale randomly rough surfaces. Hydrophobic or superhydrophobic surfaces produced using processes such as electrodeposition and etching lead to the creation of random roughness at multiple length scales on the surface. This paper considers the description of such surfaces with a fractal asperity model based on the Weierstrass-Mandelbrot (W-M) function, where the fractal parameters are uniquely determined from a power spectrum of the surface...
June 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28635122/sketching-the-invisible-to-predict-the-visible-from-drawing-to-modeling-in-chemistry
#16
Melanie M Cooper, Mike Stieff, Dane DeSutter
Sketching as a scientific practice goes beyond the simple act of inscribing diagrams onto paper. Scientists produce a wide range of representations through sketching, as it is tightly coupled to model-based reasoning. Chemists in particular make extensive use of sketches to reason about chemical phenomena and to communicate their ideas. However, the chemical sciences have a unique problem in that chemists deal with the unseen world of the atomic-molecular level. Using sketches, chemists strive to develop causal mechanisms that emerge from the structure and behavior of molecular-level entities, to explain observations of the macroscopic visible world...
June 21, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/28635101/a-simply-synthesized-biphenyl-substituted-piperidin-4-one-for-the-fluorescence-chemosensing-of-cd-2
#17
Sumathi Poomalai, Anju Kannan Padinjareveetil, Sivaraj Ramasamy, Tamil Selvan Govindaraj, Mosae Selvakumar Paulraj, Israel Vijayaraj Muthu Vijayan Enoch
Ion-induced change in fluorescence is a straight-forward method for detection of toxic metal ions showing immediate response. Cadmium ions are toxic to the environment. We report in this paper a piperidine-4-one-based fluorescent chemosensor of Cd(2+) ions, designed and synthesized by a simple method. The compound is characterized using infra-red (IR) and (1) H-NMR spectral techniques. The chemosensor showed Cd(2+) ion selectivity and sensitivity in aqueous solution. The stoichiometry and the binding constants were determined using fluorescence spectroscopy...
June 21, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28634857/computational-modelling-of-cancer-development-and-growth-modelling-at-multiple-scales-and-multiscale-modelling
#18
Zuzanna Szymańska, Maciej Cytowski, Elaine Mitchell, Cicely K Macnamara, Mark A J Chaplain
In this paper, we present two mathematical models related to different aspects and scales of cancer growth. The first model is a stochastic spatiotemporal model of both a synthetic gene regulatory network (the example of a three-gene repressilator is given) and an actual gene regulatory network, the NF-[Formula: see text]B pathway. The second model is a force-based individual-based model of the development of a solid avascular tumour with specific application to tumour cords, i.e. a mass of cancer cells growing around a central blood vessel...
June 20, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/28634796/effects-of-perfluorooctanoic-acid-and-perfluorooctane-sulfonate-on-acute-toxicity-superoxide-dismutase-and-cellulase-activity-in-the-earthworm-eisenia-fetida
#19
Zuoqing Yuan, Jianyong Zhang, Lili Zhao, Jing Li, Hongbin Liu
Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) are the two best-known perfluorinated chemicals and have received much attention due to their ubiquity in the environment. In the present study, we evaluated the effects of PFOS and PFOA on acute toxicity, superoxide dismutase (SOD), and cellulase activities in Eisenia fetida. The results of acute toxicity testing using a filter paper contact test and a natural field soil test showed that PFOA and PFOS exhibited acute toxicity in earthworms, and the toxic effect of PFOS was greater than that of PFOA...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634789/detection-and-grading-of-prostate-cancer-using-temporal-enhanced-ultrasound-combining-deep-neural-networks-and-tissue-mimicking-simulations
#20
Shekoofeh Azizi, Sharareh Bayat, Pingkun Yan, Amir Tahmasebi, Guy Nir, Jin Tae Kwak, Sheng Xu, Storey Wilson, Kenneth A Iczkowski, M Scott Lucia, Larry Goldenberg, Septimiu E Salcudean, Peter A Pinto, Bradford Wood, Purang Abolmaesumi, Parvin Mousavi
PURPOSE  : Temporal Enhanced Ultrasound (TeUS) has been proposed as a new paradigm for tissue characterization based on a sequence of ultrasound radio frequency (RF) data. We previously used TeUS to successfully address the problem of prostate cancer detection in the fusion biopsies. METHODS  : In this paper, we use TeUS to address the problem of grading prostate cancer in a clinical study of 197 biopsy cores from 132 patients. Our method involves capturing high-level latent features of TeUS with a deep learning approach followed by distribution learning to cluster aggressive cancer in a biopsy core...
June 20, 2017: International Journal of Computer Assisted Radiology and Surgery
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