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https://www.readbyqxmd.com/read/29331915/theory-of-water-treatment-by-capacitive-deionization-with-redox-active-porous-electrodes
#1
Fan He, P M Biesheuvel, Martin Z Bazant, T Alan Hatton
Capacitive deionization (CDI) for water treatment, which relies on the capture of charged species to sustain the electrical double layers (EDLs) established within porous electrodes under an applied electrical potential, can be enhanced by the chemical attachment of fixed charged groups to the porous electrode electrodes (ECDI). It has recently been demonstrated that further improvements in capacity and energy storage can be gained by functionalization of the electrode surfaces with redox polymers in which the charge on the electrodes can be modulated through Faradaic reactions under different cell voltages in a capacitive process that can be called "Faradaic CDI" (FaCDI)...
January 3, 2018: Water Research
https://www.readbyqxmd.com/read/29331806/unifying-in%C3%A2-vitro-and-in%C3%A2-vivo-ivt-mrna-expression-discrepancies-in-skeletal-muscle-via-mechanotransduction
#2
Sushma M Bhosle, Kristin H Loomis, Jonathan L Kirschman, Emmeline L Blanchard, Daryll A Vanover, Chiara Zurla, Damien Habrant, Darin Edwards, Patrick Baumhof, Bruno Pitard, Philip J Santangelo
The translational efficiency of an in vitro transcribed (IVT) mRNA was measured upon delivery to primary skeletal muscle cells and to a mouse model system, towards the development of a predictive in vitro assay for the screening and validation of intramuscular mRNA-based vaccines. When IVT mRNA was delivered either naked or complexed with novel aminoglycoside-based delivery vehicles, significant differences in protein expression in vitro and in vivo were observed. We hypothesized that this previously anticipated discrepancy was due to differences in the mechanism of IVT mRNA endosomal entry and release following delivery...
January 6, 2018: Biomaterials
https://www.readbyqxmd.com/read/29331137/molecular-dynamics-based-enhanced-sampling-of-collective-variables-with-very-large-time-steps
#3
Pei-Yang Chen, Mark E Tuckerman
Enhanced sampling techniques that target a set of collective variables and that use molecular dynamics as the driving engine have seen widespread application in the computational molecular sciences as a means to explore the free-energy landscapes of complex systems. The use of molecular dynamics as the fundamental driver of the sampling requires the introduction of a time step whose magnitude is limited by the fastest motions in a system. While standard multiple time-stepping methods allow larger time steps to be employed for the slower and computationally more expensive forces, the maximum achievable increase in time step is limited by resonance phenomena, which inextricably couple fast and slow motions...
January 14, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29330020/predictors-of-deep-brain-stimulation-outcome-in-tremor-patients
#4
Claire Sandoe, Vibhor Krishna, Diellor Basha, Francesco Sammartino, Joao Tatsch, Marina Picillo, Lazzaro di Biase, Yu-Yan Poon, Clement Hamani, Duemani Reddy, Renato P Munhoz, Andres M Lozano, William D Hutchison, Alfonso Fasano
BACKGROUND: Deep brain stimulation of the ventro-intermedius nucleus of the thalamus is an established treatment for tremor of differing etiologies but factors that may predict the short- and especially long-term outcome of surgery are still largely unknown. METHODS: We retrospectively investigated the clinical, pharmacological, electrophysiological and anatomical features that might predict the initial response and preservation of benefit in all patients who underwent deep brain stimulation for tremor...
January 2, 2018: Brain Stimulation
https://www.readbyqxmd.com/read/29328164/impact-of-input-field-characteristics-on-vibrational-femtosecond-coherent-anti-stokes-raman-scattering-thermometry
#5
Chao-Bo Yang, Ping He, David Escofet-Martin, Jiang-Bo Peng, Rong-Wei Fan, Xin Yu, Derek Dunn-Rankin
In this paper, three ultrashort-pulse coherent anti-Stokes Raman scattering (CARS) thermometry approaches are summarized with a theoretical time-domain model. The difference between the approaches can be attributed to variations in the input field characteristics of the time-domain model. That is, all three approaches of ultrashort-pulse (CARS) thermometry can be simulated with the unified model by only changing the input fields features. As a specific example, the hybrid femtosecond/picosecond CARS is assessed for its use in combustion flow diagnostics; thus, the examination of the input field has an impact on thermometry focuses on vibrational hybrid femtosecond/picosecond CARS...
January 10, 2018: Applied Optics
https://www.readbyqxmd.com/read/29328095/experimental-comparison-of-single-pixel-imaging-algorithms
#6
Liheng Bian, Jinli Suo, Qionghai Dai, Feng Chen
Single-pixel imaging (SPI) is a novel technique that captures 2D images using a photodiode, instead of conventional 2D array sensors. SPI has high signal-to-noise ratio, wide spectral range, low cost, and robustness to light scattering. Various algorithms have been proposed for SPI reconstruction, including linear correlation methods, the alternating projection (AP) method, and compressive sensing (CS) based methods. However, there has been no comprehensive review discussing respective advantages, which is important for SPI's further applications and development...
January 1, 2018: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29328084/unified-and-accurate-diffraction-calculation-between-two-concentric-cylindrical-surfaces
#7
Jun Wang, Qiong-Hua Wang, Yuhen Hu
A unified and accurate fast diffraction calculation between a pair of concentric cylindrical surfaces is proposed. Analysis of the obliquity factor shows that the physical meaning of it is the projection of the unit complex amplitude in the propagation direction onto the outer normal of the observation point. Therefore, a unified and accurate diffraction calculation formula for both inside-out and outside-in propagation models is achieved. Furthermore, it is accurately accelerated by a fast calculation method using fast Fourier transformation with a speed-up over 3...
January 1, 2018: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29328022/-endometriosis-a-new-approach-to-etiology-and-pathogenesis-review
#8
A Solopova, A Makacarya, E Chukanova
Endometriosis is a dyshormonal immune-dependent genetically determined disease, which appears as an endometrioid tissue that grows outside the uterine. Endometriosis is one of the most urgent problems of medicine. To date, new concepts of the endometriosis etiology and pathogenesis have been developed, but, despite their abundance, there is no unified theory. Genetic and epigenetic factors result in changes in an expression of aromatase, steroidogenic factor 1, and estrogen receptors are suggested to be the main cause of endometriosis...
December 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29327998/a-novel-scale-for-describing-visual-outcomes-in-patients-following-resection-of-lesions-affecting-the-optic-apparatus-the-unified-visual-function-scale
#9
Serge Makarenko, Vincent Ye, Peter A Gooderham, Ryojo Akagami
OBJECTIVE Historically, descriptions of visual acuity and visual field change following intracranial procedures have been very rudimentary. Clinicians and researchers have often used basic descriptions, such as "improved," "worsened," and "unchanged," to describe outcomes following resections of tumors affecting the optic apparatus. These descriptors are vague, difficult to quantify, and challenging to apply in a clinical perspective. Several groups have attempted to combine visual acuity and visual fields into a single assessment score, but these are not user-friendly...
January 12, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29326425/unified-understanding-of-ms-course-is-required-for-drug-development
#10
Timothy Coetzee, Alan J Thompson
No abstract text is available yet for this article.
January 12, 2018: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/29326234/toward-a-unifying-theory-of-biodiversity
#11
Marten Scheffer, Egbert H van Nes, Remi Vergnon
No abstract text is available yet for this article.
January 11, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29326184/assessing-the-effectiveness-of-a-patient-centred-computer-based-clinic-intervention-health-e-you-salud-itu-to-reduce-health-disparities-in-unintended-pregnancies-among-hispanic-adolescents-study-protocol-for-a-cluster-randomised-control-trial
#12
Kathleen P Tebb, Felicia Rodriguez, Lance M Pollack, Sang Leng Trieu, Loris Hwang, Maryjane Puffer, Sally Adams, Elizabeth M Ozer, Claire D Brindis
INTRODUCTION: Teen pregnancy rates in the USA remain higher than any other industrialised nation, and pregnancies among Hispanic adolescents are disproportionately high. Computer-based interventions represent a promising approach to address sexual health and contraceptive use disparities. Preliminary findings have demonstrated that the Health-E You/Salud iTu, computer application (app) is feasible to implement, acceptable to Latina adolescents and improves sexual health knowledge and interest in selecting an effective contraceptive method when used in conjunction with a healthcare visit...
January 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29325895/the-vertebrate-limb-an-evolving-complex-of-self-organizing-systems
#13
REVIEW
Stuart A Newman, Tilmann Glimm, Ramray Bhat
The paired appendages (fins or limbs) of jawed vertebrates contain an endoskeleton consisting of nodules, bars and, in some groups, plates of cartilage, or bone arising from replacement of cartilaginous templates. The generation of the endoskeletal elements occurs by processes involving production and diffusion of morphogens, with, variously, positive and negative feedback circuits, adhesion, and receptor dynamics with similarities to the mechanism for chemical pattern formation proposed by Alan Turing. This review presents a unified interpretation of the evolution and functioning of these mechanisms...
January 8, 2018: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/29325871/use-of-uv-fluorescence-based-simulation-in-evaluation-of-personal-protective-equipment-worn-for-first-assessment-and-care-of-a-patient-with-suspected-high-consequence-infectious-disease
#14
Samantha Hall, Bozena Poller, Claire Bailey, Samantha Gregory, Richard Clark, Paul Roberts, Anne Tunbridge, Vin Poran, Cariad Evans, Brian Crook
BACKGROUND: Variations currently exist across the UK in the choice of personal protective equipment (PPE) used by healthcare workers when caring for patients with suspected high consequence infectious diseases (HCIDs). AIM: To test the protection afforded to healthcare workers by current PPE ensembles during assessment of a suspected HCID case and to provide an evidence base to justify proposal of a unified PPE ensemble for healthcare workers across the UK. METHODS: One 'basic level' (enhanced precautions) PPE ensemble and five 'suspected case' PPE ensembles were evaluated in volunteer trials using 'Violet'; a UV-fluorescence-based simulation exercise to visualise exposure/contamination events...
January 8, 2018: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29325081/dissatisfaction-with-current-integration-reforms-of-health-insurance-schemes-in-china-are-they-a-success-and-what-matters
#15
Linghan Shan, Miaomiao Zhao, Ning Ning, Yanhua Hao, Ye Li, Libo Liang, Zheng Kang, Hong Sun, Ding Ding, Baohua Liu, Chao Liang, Miao Yu, Qunhong Wu, Mo Hao, Hua Fan
Integration reforms have been piloted as key policies to address the fragmented health insurance system in China. They are also regarded as a better choice for realizing a Universal Basic Medical Insurance System (UBMIS). This study has attempted to explore the determinants that may affect respondents' dissatisfaction with the reforms. The aim is to provide evidence for more effective policy adjustment during the next round of nationwide integration reforms in China. A cross-sectional questionnaire survey was conducted in Ningbo, Chongqing and Heilongjiang from 2014 to 2015...
January 6, 2018: Health Policy and Planning
https://www.readbyqxmd.com/read/29324935/right-putamen-and-age-are-the-most-discriminant-features-to-diagnose-parkinson-s-disease-by-using-123i-fp-cit-brain-spet-data-by-using-an-artificial-neural-network-classifier-a-classification-tree-clt
#16
S Cascianelli, C Tranfaglia, M L Fravolini, F Bianconi, M Minestrini, S Nuvoli, N Tambasco, M E Dottorini, B Palumbo
OBJECTIVE: The differential diagnosis of Parkinson's disease (PD) and other conditions, such as essential tremor and drug-induced parkinsonian syndrome or normal aging brain, represents a diagnostic challenge. 123I-FP-CIT brain SPET is able to contribute to the differential diagnosis. Semiquantitative analysis of radiopharmaceutical uptake in basal ganglia (caudate nuclei and putamina) is very useful to support the diagnostic process. An artificial neural network classifier using 123I-FP-CIT brain SPET data, a classification tree (CIT), was applied...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324910/deep-brain-nucleus-targeting-in-parkinson-s-disease-and-essential-tremor-by-image-guided-surgery-using-neuronavigation-system-with-tractography-and-volume-of-tissue-of-activated-assessment
#17
Amir Nikouei, Pooya Torkian, Tohid Emami Meybodi, Arash Javad Mousavi, Amir Saied Seddighi
OBJECTIVE: Deep Brain Stimulation (DBS) is an effective surgical approach for treatment of Parkinson's disease (PD), dystonia and essential tremor (ET). Traditionally, DBS is performed using frame-based stereotactic technique. Recently, image guided surgery (IGS) using neuronavigation has gained popularity in neurosurgical procedures. We aim to investigate whether DBS using neuronavigation is capable of improving patient's outcome and minimize its complications. SUBJECT AND METHODS: From February 2011 to October 2016, 20 patients with PD and 6 patients with ET were enrolled in the study...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324560/contrast-media-extravasations-in-patients-undergoing-computerized-tomography-scanning-a-systematic-review-and-meta-analysis-of-risk-factors-and-interventions
#18
Sandrine Ding, Nicole Richli Meystre, Cosmin Campeanu, Giuseppe Gullo
OBJECTIVE: To identify risk factors and interventions preventing or reducing contrast medium extravasation. INTRODUCTION: Computed tomography (CT) is a radiological examination essential for the diagnosis and monitoring of many diseases. It is often performed with the intravenous (IV) injection of contrast agents. Use of these products can result in a significant complication, extravasation, which is the accidental leakage of IV material into the surrounding tissue...
January 2018: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/29324416/unsupervised-deep-hashing-with-pseudo-labels-for-scalable-image-retrieval
#19
Haofeng Zhang, Li Liu, Yang Long, Ling Shao
In order to achieve efficient similarity searching, hash functions are designed to encode images into low-dimensional binary codes with the constraint that similar features will have a short distance in the projected Hamming space. Recently, deep learning-based methods have become more popular, and outperform traditional non-deep methods. However, without label information, most state-of-the-art unsupervised deep hashing (DH) algorithms suffer from severe performance degradation for unsupervised scenarios. One of the main reasons is that the ad-hoc encoding process cannot properly capture the visual feature distribution...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29323780/nurses-perceptions-on-the-overuse-of-health-services-a-qualitative-study
#20
Moriah E Ellen, Saritte Perlman
PURPOSE: To examine whether nurses in Israel think there is overuse of health services, the reasons behind the issue, and ways to reduce the overuse. DESIGN: This was a qualitative study using semistructured interviews. A convenience sample of community care nurses from health clinics across Israel was interviewed. Interviews focused on common areas of overuse, outcomes of overuse, causes of overuse, and potential ways to address the issue. Interviews were recorded, transcribed, and analyzed thematically...
January 11, 2018: Journal of Nursing Scholarship
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