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https://www.readbyqxmd.com/read/28814043/design-of-a-wearable-interface-for-lightweight-robotic-arm-for-people-with-mobility-impairments
#1
Tommaso Lisini Baldi, Giovanni Spagnoletti, Mihai Dragusanu, Domenico Prattichizzo
Many common activities of daily living like open a door or fill a glass of water, which most of us take for granted, could be an insuperable problem for people who have limited mobility or impairments. For years the unique alternative to overcame this limitation was asking for human help. Nowadays thanks to recent studies and technology developments, having an assistive devices to compensate the loss of mobility is becoming a real opportunity. Off-the-shelf assistive robotic manipulators have the capability to improve the life of people with motor impairments...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28814009/preliminary-results-toward-a-naturally-controlled-multi-synergistic-prosthetic-hand
#2
Matteo Rossi, Cosimo Della Santina, Cristina Piazza, Giorgio Grioli, Manuel Catalano, Antonio Biechi
Robotic hands embedding human motor control principles in their mechanical design are getting increasing interest thanks to their simplicity and robustness, combined with good performance. Another key aspect of these hands is that humans can use them very effectively thanks to the similarity of their behavior with real hands. Nevertheless, controlling more than one degree of actuation remains a challenging task. In this paper, we take advantage of these characteristics in a multi-synergistic prosthesis. We propose an integrated setup composed of Pisa/IIT SoftHand 2 and a control strategy which simultaneously and proportionally maps the human hand movements to the robotic hand...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813929/soft-brain-machine-interfaces-for-assistive-robotics-a-novel-control-approach
#3
Lucia Schiatti, Jacopo Tessadori, Giacinto Barresi, Leonardo S Mattos, Arash Ajoudani
Robotic systems offer the possibility of improving the life quality of people with severe motor disabilities, enhancing the individual's degree of independence and interaction with the external environment. In this direction, the operator's residual functions must be exploited for the control of the robot movements and the underlying dynamic interaction through intuitive and effective human-robot interfaces. Towards this end, this work aims at exploring the potential of a novel Soft Brain-Machine Interface (BMI), suitable for dynamic execution of remote manipulation tasks for a wide range of patients...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813838/developing-safe-fall-strategies-for-lower-limb-exoskeletons
#4
Mahsa Khalili, Jaimie F Borisoff, H F Machiel Van der Loos
One of the main challenges in the use of a powered lower limb exoskeleton (LLE) is to ensure that balance is maintained throughout the operation of the device. Since no control strategy has yet been implemented that prevents falls in the case of a loss of balance, head or other serious injuries may occur during independent use of LLEs in the event of a fall. These safety concerns limit LLEs in the community to supervised use only. Using the backward fall as a model, we used optimization techniques to develop safe fall control strategies in order to avoid head impact and mitigate the impact velocity of the hips...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28811936/real-life-management-of-patients-with-retinal-vein-occlusion-using-i-macula-web-platform
#5
Massimo Nicolò, Monica Bonetto, Raffaella Rosa, Donatella Musetti, Maria Musolino, Carlo Enrico Traverso, Mauro Giacomini
AIM: Real-life evaluation in the management of patients affected by macular edema secondary to retinal vein occlusion. MATERIAL AND METHODS: A retrospective, observational study using the I-Macula Web platform. RESULTS: Thirty-five patients (37 eyes; 15 females and 20 male) affected by RVO were analysed. At 12 months, there was a statistically significant improvement of best-corrected visual acuity (p = 0.0235) and central macular thickness (p < 0...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28811820/modified-mahalanobis-taguchi-system-for-imbalance-data-classification
#6
Mahmoud El-Banna
The Mahalanobis Taguchi System (MTS) is considered one of the most promising binary classification algorithms to handle imbalance data. Unfortunately, MTS lacks a method for determining an efficient threshold for the binary classification. In this paper, a nonlinear optimization model is formulated based on minimizing the distance between MTS Receiver Operating Characteristics (ROC) curve and the theoretical optimal point named Modified Mahalanobis Taguchi System (MMTS). To validate the MMTS classification efficacy, it has been benchmarked with Support Vector Machines (SVMs), Naive Bayes (NB), Probabilistic Mahalanobis Taguchi Systems (PTM), Synthetic Minority Oversampling Technique (SMOTE), Adaptive Conformal Transformation (ACT), Kernel Boundary Alignment (KBA), Hidden Naive Bayes (HNB), and other improved Naive Bayes algorithms...
2017: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28811181/beneficial-effects-of-postnatal-choline-supplementation-on-long-term-neurocognitive-deficit-resulting-from-fetal-neonatal-iron-deficiency
#7
Bruce C Kennedy, Phu V Tran, Maulika Kohli, Jamie J Maertens, Jonathan C Gewirtz, Michael K Georgieff
Early-life iron deficiency is a common nutrient condition worldwide and can result in cognitive impairment in adulthood despite iron treatment. In rodents, prenatal choline supplementation can diminish long-term hippocampal gene dysregulation and neurocognitive deficits caused by iron deficiency. Since fetal iron status is generally unknown in humans, we determined whether postnatal choline supplementation exerts similar beneficial effects. Male rat pups were made iron deficient (ID) by providing pregnant and nursing dams an ID diet (3-6ppm Fe) from gestational day (G) 3 through postnatal day (P) 7, and an iron-sufficient (IS) diet (200ppm Fe) thereafter...
August 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28810465/valuing-health-for-oneself-versus-one-s-child-or-elderly-parent
#8
Aaron E Carroll, Chandan Saha, Susan Ofner, Stephen M Downs
The aim of this study was to determine if adults value health states or are willing to accept risk differently for themselves than for their children or elderly parents. Participants (701) were asked to rate four hypothetical health states for themselves using both the standard gamble and time trade-off methodologies. They then did the same assessments for a real or hypothetical child as well as an elderly parent. Participants were willing to take more risk or trade more years of life to avoid bilateral vision loss and mental impairment for themselves than they were for their children and elderly parents...
June 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810352/maternal-responses-to-difficult-food-request-scenarios-relationships-with-feeding-style-and-child-unhealthy-snack-intake
#9
Samantha B Boots, Marika Tiggemann, Nadia Corsini
This study sought to identify parent-feeding behaviours in real-life difficult feeding situations through the use of a set of scenarios. These were then used to examine links between parent feeding and child snack intake. Mothers of children aged 2-7 years ( n = 611) completed an online survey containing five snack food request scenarios, two commonly used parent-feeding scales (Restriction and Covert Control), and reported on their child's snack intake. Results showed that parent-feeding styles (restrictive or covert) translated into specific behaviours in response to the scenarios...
October 1, 2016: Journal of Health Psychology
https://www.readbyqxmd.com/read/28809993/adalimumab-in-chronic-plaque-psoriasis-a-clinical-guide
#10
Jashin J Wu, W C Valdecantos
<p>Psoriasis is a common, inflammatory disease that manifests itself as lesions on the skin, which greatly impacts the physical and psychological wellbeing of those affected. The current goal of treatment in psoriasis is to improve the signs and symptoms of disease, whilst minimizing the burden of disease on patient health-related quality of life. Psoriasis can also be associated with other comorbidities such as joint disease, cardiovascular disease, and depression, which can add to the complexity of treatment...
August 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28809507/persistence-of-indigenous-escherichia-coli-in-raw-bovine-manure-amended-soil
#11
Samantha K Çekiç, Jaysankar De, Mohammad Jubair, Keith R Schneider
The Food Safety Modernization Act attempts to reduce produce-related foodborne illness by using preventive rather than reactive measures. The goal of this research was to determine the persistence of manure-borne generic Escherichia coli under laboratory and field conditions. The population density of naturally occurring E. coli was ∼7.2 and 5.4 log CFU/10 g in pre- and postscreened manures, respectively. Postscreened (i.e. after the liquid manure has passed through a screen) manure was applied at light, medium, and heavy rates to fields in Live Oak and Citra, FL, during the fall and summer...
August 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28808924/a-critical-evaluation-on-moh-current-treatments
#12
REVIEW
Andrea Negro, Martina Curto, Luana Lionetto, Simona Guerzoni, Luigi Alberto Pini, Paolo Martelletti
Migraine is the most frequent neurological disorder observed in clinical practice characterized by moderate to severe pain attacks associated with neurological, gastrointestinal, and dysautonomic symptoms. Each year, 2.5% of patients with episodic migraine develop chronic migraine (CM). CM is characterized by high frequency of the attacks that may result into chronic intake of abortive medications. Nearly, the 70% of CM patients referring to tertiary head centers show acute pain medications overuse that may lead to the development of medication overuse headache (MOH)...
August 15, 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28808437/how-to-assign-a-3%C3%A2-%C3%A2-1-dimensional-superspace-group-to-an-incommensurately-modulated-biological-macromolecular-crystal
#13
Jason Porta, Jeff Lovelace, Gloria E O Borgstahl
Periodic crystal diffraction is described using a three-dimensional (3D) unit cell and 3D space-group symmetry. Incommensurately modulated crystals are a subset of aperiodic crystals that need four to six dimensions to describe the observed diffraction pattern, and they have characteristic satellite reflections that are offset from the main reflections. These satellites have a non-integral relationship to the primary lattice and require q vectors for processing. Incommensurately modulated biological macromolecular crystals have been frequently observed but so far have not been solved...
August 1, 2017: Journal of Applied Crystallography
https://www.readbyqxmd.com/read/28808356/the-gist-of-delay-of-gratification-understanding-and-predicting-problem-behaviors
#14
Valerie F Reyna, Evan A Wilhelms
Delay of gratification captures elements of temptation and self-denial that characterize real-life problems with money and other problem behaviors such as unhealthy risk taking. According to fuzzy-trace theory, decision makers mentally represent social values such as delay of gratification in a coarse but meaningful form of memory called "gist." Applying this theory, we developed a gist measure of delay of gratification that does not involve quantitative trade-offs (as delay discounting does) and hypothesize that this construct explains unique variance beyond sensation seeking and inhibition in accounting for problem behaviors...
April 2017: Journal of Behavioral Decision Making
https://www.readbyqxmd.com/read/28807845/1-hz-rtms-in-the-treatment-of-tinnitus-a-sham-controlled-randomized-multicenter-trial
#15
Michael Landgrebe, Göran Hajak, Stefan Wolf, Frank Padberg, Philipp Klupp, Andreas J Fallgatter, Thomas Polak, Jacqueline Höppner, Rene Haker, Joachim Cordes, Thomas Klenzner, Carlos Schönfeldt-Lecuona, Thomas Kammer, Erika Graf, Michael Koller, Tobias Kleinjung, Astrid Lehner, Martin Schecklmann, Timm B Pöppl, Peter Kreuzer, Elmar Frank, Berthold Langguth
BACKGROUND: Chronic tinnitus is a frequent, difficult to treat disease with high morbidity. OBJECTIVE: This multicenter randomized, sham-controlled trial investigated the efficacy and safety of 1-Hz repetitive transcranial magnetic stimulation (rTMS) applied to the left temporal cortex in patients with chronic tinnitus. METHODS: Tinnitus patients were randomized to receive 10 sessions of either real or sham 1-Hz-rTMS (2000 stimuli, 110% motor threshold) to the left temporal cortex...
August 5, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28807302/targeted-overexpression-of-cyclic-amp-dependent-protein-kinase-subunit-in-toxoplasma-gondii-promotes-replication-and-virulence-in-host-cells
#16
Hongchao Sun, Suhua Wang, Xianfeng Zhao, Chaoqun Yao, Haohan Zhuang, Yechuan Huang, Xueqiu Chen, Yi Yang, Aifang Du
Toxoplasma gondii (T. gondii) is one of the most common parasite that can infect almost any warm-blooded animals including humans. The cyclic nucleotide-dependent protein kinase (PKA) regulates a spectrum of intracellular signal pathways in many organisms. Protein kinase catalytic subunit (PKAC) is the core of the whole protein, and plays an important role in the life cycle of T.gondii. Here, T.gondii PKAC (TgPKAC) overexpression strain (TgPKAC-OE) was constructed. The growth of the TgPKAC-OE, RH△Ku80, and TgPKAC inhibition strains (TgPKAC-H89) were analysed by SYBR-green real-time PCR, and the ultrastructure was observed by transmission electron microscopy...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28807050/cooperative-binding-mitigates-the-high-dose-hook-effect
#17
Ranjita Dutta Roy, Christian Rosenmund, Melanie I Stefan
BACKGROUND: The high-dose hook effect (also called prozone effect) refers to the observation that if a multivalent protein acts as a linker between two parts of a protein complex, then increasing the amount of linker protein in the mixture does not always increase the amount of fully formed complex. On the contrary, at a high enough concentration range the amount of fully formed complex actually decreases. It has been observed that allosterically regulated proteins seem less susceptible to this effect...
August 14, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28806963/effectiveness-outcomes-and-health-related-quality-of-life-impact-of-disease-progression-in-patients-with-advanced-nonsquamous-nsclc-treated-in-real-world-community-oncology-settings-results-from-a-prospective-medical-record-registry-study
#18
Mark S Walker, William Wong, Arliene Ravelo, Paul J E Miller, Lee S Schwartzberg
BACKGROUND: Treatment options for advanced nonsquamous non-small cell lung cancer (NSCLC) in the first line include platinum-based doublet therapy with or without bevacizumab. This study examined efficacy outcomes and patient reported outcomes (PROs) in a community oncology patient sample. METHODS: Advanced nonsquamous NSCLC patients from 34 U.S. community oncology practices treated in first line with bevacizumab regimens (A platinum doublet; gemcitabine doublet; pemetrexed with platinum) or non-bevacizumab regimens (B platinum doublet; gemcitabine doublet; C pemetrexed with platinum) were recruited for this prospective study...
August 14, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28806748/temperature-effects-on-gene-expression-and-morphological-development-of-european-eel-anguilla-anguilla-larvae
#19
Sebastian N Politis, David Mazurais, Arianna Servili, Jose-Luis Zambonino-Infante, Joanna J Miest, Sune R Sørensen, Jonna Tomkiewicz, Ian A E Butts
Temperature is important for optimization of rearing conditions in aquaculture, especially during the critical early life history stages of fish. Here, we experimentally investigated the impact of temperature (16, 18, 20, 22 and 24°C) on thermally induced phenotypic variability, from larval hatch to first-feeding, and the linked expression of targeted genes [heat shock proteins (hsp), growth hormone (gh) and insulin-like growth factors (igf)] associated to larval performance of European eel, Anguilla anguilla...
2017: PloS One
https://www.readbyqxmd.com/read/28806408/microbiota-of-little-penguins-and-short-tailed-shearwaters-during-development
#20
Meagan L Dewar, John P Y Arnould, Theo R Allnutt, Tamsyn Crowley, Lutz Krause, John Reynolds, Peter Dann, Stuart C Smith
The establishment and early colonisation of the gastrointestinal (GI) tract has been recognised as a crucial stage in chick development, with pioneering microbial species responsible for influencing the development of the GI tract and influencing host health, fitness and disease status throughout life. Development of the microbiota in long lived seabirds is poorly understood. This study characterised the microbial composition of little penguin and short-tailed shearwater chicks throughout development, using Quantitative Real Time PCR (qPCR) and 16S rRNA sequencing...
2017: PloS One
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