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https://www.readbyqxmd.com/read/28813798/a-novel-method-for-muscle-fatigue-assessment-during-robot-based-tracking-tasks
#1
Maddalena Mugnosso, Francesca Marini, Matteo Gillardo, Pietro Morasso, Jacopo Zenzeri
In this work we propose a novel method based on sEMG signals, easy and fast to perform, administered with a robotic device to maximize repeatability and objectivity. Muscle fatigue, which is frequently experienced by healthy subjects, can be a highly debilitating symptom in case of neuromuscular disorders. Its assessment provides crucial information on the progression of the disability itself, on patient's muscular function and on the efficacy of the eventual clinical intervention. Hence, a robust and objective protocol for fatigue assessment is fundamental in rehabilitation practice...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812589/connecting-earth-observation-to-high-throughput-biodiversity-data
#2
Alex Bush, Rahel Sollmann, Andreas Wilting, Kristine Bohmann, Beth Cole, Heiko Balzter, Christopher Martius, András Zlinszky, Sébastien Calvignac-Spencer, Christina A Cobbold, Terence P Dawson, Brent C Emerson, Simon Ferrier, M Thomas P Gilbert, Martin Herold, Laurence Jones, Fabian H Leendertz, Louise Matthews, James D A Millington, John R Olson, Otso Ovaskainen, Dave Raffaelli, Richard Reeve, Mark-Oliver Rödel, Torrey W Rodgers, Stewart Snape, Ingrid Visseren-Hamakers, Alfried P Vogler, Piran C L White, Martin J Wooster, Douglas W Yu
Understandably, given the fast pace of biodiversity loss, there is much interest in using Earth observation technology to track biodiversity, ecosystem functions and ecosystem services. However, because most biodiversity is invisible to Earth observation, indicators based on Earth observation could be misleading and reduce the effectiveness of nature conservation and even unintentionally decrease conservation effort. We describe an approach that combines automated recording devices, high-throughput DNA sequencing and modern ecological modelling to extract much more of the information available in Earth observation data...
June 22, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28806303/does-a-combination-of-laparoscopic-approach-and-full-fast-track-multimodal-management-decrease-postoperative-morbidity-a-multicenter-randomized-controlled-trial
#3
Léon Maggiori, Eric Rullier, Jérémie H Lefevre, Jean-Marc Régimbeau, Stéphane Berdah, Mehdi Karoui, Jérome Loriau, Arnaud Alvès, Eric Vicaut, Yves Panis
OBJECTIVE: The aim of this study was to assess whether association of laparoscopic approach and full fast track multimodal (FFT) management can reduce postoperative morbidity after colorectal cancer surgery, as compared to laparoscopic approach with limited fast-track program (LFT). SUMMARY OF BACKGROUND DATA: Recent advances in colorectal cancer surgery are introduction of laparoscopy and FFT implementation. METHODS: Patients eligible for elective laparoscopic colorectal cancer surgery were randomized into 2 groups: FFT or LFT care (with only early oral intake and mobilization starting on Day 1)...
August 11, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28805692/real-time-rain-rate-evaluation-via-satellite-downlink-signal-attenuation-measurement
#4
Filippo Giannetti, Ruggero Reggiannini, Marco Moretti, Elisa Adirosi, Luca Baldini, Luca Facheris, Andrea Antonini, Samantha Melani, Giacomo Bacci, Antonio Petrolino, Attilio Vaccaro
We present the NEFOCAST project (named by the contraction of "Nefele", which is the Italian spelling for the mythological cloud nymph Nephele, and "forecast"), funded by the Tuscany Region, about the feasibility of a system for the detection and monitoring of precipitation fields over the regional territory based on the use of a widespread network of new-generation Eutelsat "SmartLNB" (smart low-noise block converter) domestic terminals. Though primarily intended for interactive satellite services, these devices can also be used as weather sensors, as they have the capability of measuring the rain-induced attenuation incurred by the downlink signal and relaying it on an auxiliary return channel...
August 12, 2017: Sensors
https://www.readbyqxmd.com/read/28804520/fast-simulation-of-lipid-vesicle-deformation-using-spherical-harmonic-approximation
#5
Michael Mikucki, Yongcheng Zhou
Lipid vesicles appear ubiquitously in biological systems. Understanding how the mechanical and intermolecular interactions deform vesicle membranes is a fundamental question in biophysics. In this article we develop a fast algorithm to compute the surface configurations of lipid vesicles by introducing surface harmonic functions to approximate the membrane surface. This parameterization allows an analytical computation of the membrane curvature energy and its gradient for the efficient minimization of the curvature energy using a nonlinear conjugate gradient method...
January 2017: Communications in Computational Physics
https://www.readbyqxmd.com/read/28803941/fast-imaging-for-mapping-dynamic-networks
#6
REVIEW
Pierre LeVan, Burak Akin, Jürgen Hennig
The development of highly accelerated fMRI acquisition techniques has led to novel possibilities to monitor cerebral activity non-invasively and with unprecedented temporal resolutions. With the emergence of dynamic connectivity and its ability to provide a much richer characterization of brain function compared to static measures, fast fMRI may yet play a crucial role in tracking dynamically varying networks. In spite of the dominance of slow hemodynamic contributions to the BOLD signal, high temporal sampling rates nevertheless improve the measurement of physiological noise, yielding an exceptional sensitivity for the detection of periods of transient connectivity at time scales of a few tens of seconds...
August 10, 2017: NeuroImage
https://www.readbyqxmd.com/read/28801413/effectiveness-of-rehabilitation-after-a-total-hip-arthroplasty-a-protocol-for-an-observational-study-for-the-comparison-of-usual-care-in-the-netherlands-versus-germany
#7
Gesine H Seeber, Annet Wijnen, Djordje Lazovic, Sjoerd K Bulstra, Günter Dietz, Christiaan P van Lingen, Martin Stevens
INTRODUCTION: Osteoarthritis is the most common joint disorder worldwide. Total hip arthroplasty (THA) is considered one of the most effective treatments for end-stage hip osteoarthritis. The number of THAs is expected to increase dramatically in the coming decades. Usual postoperative rehabilitation after primary THA differs between the German and the Dutch system. In the Netherlands, patients undergo fast-track surgery and are discharged into their home environment within a few days without receiving any aftercare...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28800859/the-role-of-psychiatric-diagnoses-for-outcome-after-hip-and-knee%C3%A2-arthroplasty
#8
Silas H Gylvin, Christoffer C Jørgensen, Anders F Jensen, Gunnar H Gislason, Henrik Kehlet
BACKGROUND: Surgical patients receiving psychopharmacologic treatment have been associated with adverse outcomes in total hip and knee arthroplasty (THA and TKA). The purpose of this study was to investigate whether a specific high-risk group of patients receiving psychopharmacologic treatment could be identified based upon a nationwide psychiatric diagnosis register. METHODS: From 7 different orthopedic centers, 8288 THA and TKA patients were included from January 2010 to November 2012 of which 943 (11...
July 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28800632/radar-a-novel-fast-screening-method-for-reading-difficulties-with-special-focus-on-dyslexia
#9
Ioannis Smyrnakis, Vassilios Andreadakis, Vassilios Selimis, Michail Kalaitzakis, Theodora Bachourou, Georgios Kaloutsakis, George D Kymionis, Stelios Smirnakis, Ioannis M Aslanides
Dyslexia is a developmental learning disorder of single word reading accuracy and/or fluency, with compelling research directed towards understanding the contributions of the visual system. While dyslexia is not an oculomotor disease, readers with dyslexia have shown different eye movements than typically developing students during text reading. Readers with dyslexia exhibit longer and more frequent fixations, shorter saccade lengths, more backward refixations than typical readers. Furthermore, readers with dyslexia are known to have difficulty in reading long words, lower skipping rate of short words, and high gaze duration on many words...
2017: PloS One
https://www.readbyqxmd.com/read/28794660/a-renal-colic-fast-track-pathway-to-improve-waiting-times-and-outcomes-for-patients-presenting-to-the-emergency-department
#10
Omar Al Kadhi, Kate Manley, Madhavi Natarajan, Valmiki Lutchmedial, Abbi Forsyth, Kate Tabrett, Jonathan Betteridge, William Finch, Heinrich Hollis
INTRODUCTION: Renal colic is commonly encountered in the emergency department (ED). We validated a fast track renal colic (FTRC) initiative to decrease patient waiting times and streamline patient flow. METHOD: The FTRC pathway was devised according to the National Institute for Health and Care Excellence clinical summary criteria for the management of patients with suspected renal colic. ED triage nurses use the pathway to identify patients with likely renal colic suitable for fast track to analgesia, investigation and management...
2017: Open Access Emergency Medicine: OAEM
https://www.readbyqxmd.com/read/28794266/multi-scale-tracking-reveals-scale-dependent-chromatin-dynamics-after-dna-damage
#11
Judith Miné-Hattab, Vincent Recamier, Ignacio Izeddin, Rodney Rothstein, Xavier Darzacq
The dynamic organization of genes inside the nucleus is an important determinant for their function. Using fast DNA tracking microscopy in S. cerevisiae cells and improved analysis of mean square displacements, we quantified DNA motion at time scales ranging from 10 milliseconds to minute and found that following DNA damage, DNA exhibits distinct sub-diffusive regimes. In response to double-strand breaks, chromatin is more mobile at large time scales but, surprisingly, its mobility is reduced at short time scales...
August 9, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28793781/second-line-antiretroviral-therapy-in-sub-saharan-africa-it-s-time-to-mind-the-gaps
#12
Richard Andrew Murphy, Richard Court, Gary Maartens, Henry Sunpath
The delay between first-line antiretroviral therapy (ART) failure and initiation of second-line ART - in resource-limited settings - can be prolonged. Increasing evidence links delayed antiretroviral switch with increased risk for opportunistic infection (OI) and death, particularly in patients with advanced HIV at the time of first-line failure. As access to viral load monitoring widens beyond a few countries, mechanisms are needed to optimize the use of routine virologic monitoring and assure that first-line regimen failure results in prompt second-line switch...
August 10, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28792901/an-automated-classification-of-pathological-gait-using-unobtrusive-sensing-technology
#13
Elham Dolatabadi, Babak Taati, Alex Mihailidis
This study integrates an unobtrusive and affordable sensing technology with machine learning methods to discriminate between healthy and pathological gait patterns as a result of stroke or acquired brain injury (ABI). A feature analysis is used to identify the role of each body part in separating pathological patterns from healthy patterns. Gait features including the orientations of the hips and spine (trunk), shoulders and neck (upper limb), knees and ankles (lower limb), are calculated during walking based on Kinect skeletal tracking sequences...
August 7, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28792483/monocular-stereo-measurement-using-high-speed-catadioptric-tracking
#14
Shaopeng Hu, Yuji Matsumoto, Takeshi Takaki, Idaku Ishi
This paper presents a novel concept of real-time catadioptric stereo tracking using a single ultrafast mirror-drive pan-tilt active vision system that can simultaneously switch between hundreds of different views in a second. By accelerating video-shooting, computation, and actuation at the millisecond-granularity level for time-division multithreaded processing in ultrafast gaze control, the active vision system can function virtually as two or more tracking cameras with different views. It enables a single active vision system to act as virtual left and right pan-tilt cameras that can simultaneously shoot a pair of stereo images for the same object to be observed at arbitrary viewpoints by switching the direction of the mirrors of the active vision system frame by frame...
August 9, 2017: Sensors
https://www.readbyqxmd.com/read/28783626/fast-and-fully-automatic-left-ventricular-segmentation-and-tracking-in-echocardiography-using-shape-based-b-spline-explicit-active-surfaces
#15
Joao Pedrosa, Sandro Queiros, Olivier Bernard, Jan Engvall, Thor Edvardsen, Eike Nagel, Jan Dhooge
Cardiac volume/function assessment remains a critical step in daily cardiology and 3D ultrasound plays an increasingly important role. Fully automatic left ventricular segmentation is, however, a challenging task due to the artifacts and low contrast-to-noise ratio of ultrasound imaging. In the present work, a fast and fully automatic framework for full cycle endocardial left ventricle segmentation is proposed. This approach couples the advantages of the B-spline explicit active surfaces framework, a purely image information approach, to those of statistical shape models to give prior information about the expected shape for an accurate segmentation...
August 2, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28782932/visualization-of-colloidal-nanocrystal-formation-and-electrode-electrolyte-interfaces-in-liquids-using-tem
#16
Zhiyuan Zeng, Wenjing Zheng, Haimei Zheng
Transmission electron microscopy (TEM) has become a powerful analytical tool for addressing unique scientific problems in chemical sciences as well as in materials sciences and other disciplines. There has been a lot of recent interest in the development and applications of liquid phase environmental TEM. In this Account, we review the development and applications of liquid cell TEM for the study of dynamic phenomena at liquid-solid interfaces, focusing on two areas: (1) nucleation, growth, and self-assembly of colloidal nanocrystals and (2) electrode-electrolyte interfaces during charge and discharge processes...
August 7, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28782732/nanoporous-au-ag-shell-with-fast-kinetics-integrating-chemical-and-plasmonic-catalysis
#17
Wenpeng Yang, Ke Wu, Weimin Yang, Hailing Wang, Xianglong Lv, Lihua Qian, Tianshui Yu, Zengquan Li, Xiangji Zhou, Godfrey Okumu Barasa, S L Yuan, Yingtao Jiang, Zhilin Yang
Nanoporous noble metals and alloys are widely utilized as efficient catalysts, because they have high surface-to-volume ratios for surfficient active sites and induce molecule polarization through plasmon excitation as well. Herein we demonstrate one approach to fabricate nanoporous Au-Ag shell. Such material represents the dual functions serving as efficient catalysts and high-performance surface-enhanced Raman scattering (SERS) substrate. In-situ spectrum acquisition can track the conversion of p-nitrothiophenol to 4, 4'-dimercapto-azobenzene at ambient temperature...
August 7, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28782113/fast-tracking-and-extubation-in-paediatric-cardiac-surgery
#18
EDITORIAL
P K Suominen, M F Haney
No abstract text is available yet for this article.
September 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28777446/characterization-of-a-novel-eb1-acetylation-site-important-for-the-regulation-of-microtubule-dynamics-and-cargo-recruitment
#19
Songbo Xie, Yang Yang, Xiaochen Lin, Jun Zhou, Dengwen Li, Min Liu
Microtubule plus ends undergo highly dynamic modifications to regulate different aspects of cellular activities. Most microtubule plus-end tracking proteins (+TIPs) are recruited to the microtubule ends by the master loading factor, end-binding protein 1 (EB1). These proteins coordinately regulate microtubule dynamics and cellular plasticity. Acetylation is known to modulate EB1 function; however, the molecular details of EB1 acetylation remain largely unclear. We mapped the acetylation pattern of EB1 and identified several previously uncharacterized sites of EB1 acetylation...
August 4, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28774663/fast-track-vs-delayed-insertion-of-the-levonorgestrel-releasing-intrauterine-system-after-early-medical-abortion-a-randomized-trial
#20
Riina Korjamo, Maarit Mentula, Oskari Heikinheimo
OBJECTIVE: To compare levonorgestrel (LNG) 52-mg intrauterine system (IUS) expulsion rates with fast track (≤ three days) or delayed (2-4weeks) insertion following mifepristone and misoprostol medical abortion. STUDY DESIGN: In this pilot trial we randomized 108 women≤63days gestation to fast-track (n=55) or delayed (n=53) insertion. Follow-up visits occurred at 2-4weeks, three months and one year. We assessed total and partial expulsion at three months and one year, adverse effects and bleeding profiles...
July 31, 2017: Contraception
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