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https://www.readbyqxmd.com/read/28814061/modular-one-to-many-clutchable-actuator-for-a-soft-elbow-exosuit
#1
M Canesi, M Xiloyannis, A Ajoudani, A Biechi, L Masia
Exoskeletons have been developed for a wide range of applications, from the military to the medical field, with the aim of augmenting human performance or compensating for neuromuscular deficiencies. However, to empower the high number of degrees of freedom of the human body, they often employ a high number of motors, increasing the size, weight and power consumption of the system. We hereby present an actuation strategy to empower our elbow exosuit that adopts a single motor to drive multiple, independently actuated, degrees of freedom...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813980/human-mimetic-forearm-mechanism-towards-bionic-arm
#2
Minsang Seo, Hogyun Kim, Youngjin Choi
The paper presents a mechanical forearm mechanism to extend the pronation and supination (P/S) movement of the trans-radial amputee when he/she is able to conduct the P/S motion partially with his/her remaining forearm. The P/S motions of the existing prostheses and robotic arms developed till now are completely different from those of the human. When we are to develop the robotic prostheses for the amputees, two important issues should be considered such as cosmetic issue to look like normal arm and motion harmony issue between robotic prosthesis and the amputated living arm...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813970/modelling-engagement-in-dementia-through-behaviour-contribution-for-socially-interactive-robotics
#3
Giulia Perugia, Marta Diaz Doladeras, Andreu Catala Mallofre, Matthias Rauterberg, Emilia Barakova
In this paper, we present a novel tool to measure engagement in people with dementia playing board games and interacting with a social robot, Pleo. We carried out two studies to reach a comprehensive inventory of behaviours accounting for engagement in dementia. The first one is an exploratory study aimed at modelling engagement in cognitive board games. The second one is a longitudinal study to investigate how people with dementia express engagement in cognitive games and in interactions with social robots...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813952/comparative-performance-analysis-of-m-imu-emg-and-voice-user-interfaces-for-assistive-robots
#4
Clemente Laureiti, Francesca Cordella, Francesco Scotto di Luzio, Stefano Saccucci, Angelo Davalli, Rinaldo Sacchetti, Loredana Zollo
People with a high level of disability experience great difficulties to perform activities of daily living and resort to their residual motor functions in order to operate assistive devices. The commercially available interfaces used to control assistive manipulators are typically based on joysticks and can be used only by subjects with upper-limb residual mobilities. Many other solutions can be found in the literature, based on the use of multiple sensory systems for detecting the human motion intention and state...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813917/intuitive-adaptive-orientation-control-of-assistive-robots-for-people-living-with-upper-limb-disabilities
#5
Dinh-Son Vu, Ulysse Cote Allard, Clement Gosselin, Francois Routhier, Benoit Gosselin, Alexandre Campeau-Lecours
Robotic assistive devices enhance the autonomy of individuals living with physical disabilities in their day-to-day life. Although the first priority for such devices is safety, they must also be intuitive and efficient from an engineering point of view in order to be adopted by a broad range of users. This is especially true for assistive robotic arms, as they are used for the complex control tasks of daily living. One challenge in the control of such assistive robots is the management of the end-effector orientation which is not always intuitive for the human operator, especially for neophytes...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813914/data-sample-size-needed-for-analysis-of-kinematic-and-muscle-synergies-in-healthy-and-stroke-populations
#6
Navid Lambert-Shirzad, H F Machiel Van der Loos
Multiple studies have suggested the central nervous system (CNS) generates motions by using modular control of muscles and joints (synergies). However, the synergies reported by these studies are task dependent and might not reflect the true control strategies adopted by the CNS. Studying exploratory motions (EMs) can reveal biomechanical constraints and motor control strategies in healthy and clinical populations. The first logical step to consider EMs in study of motor synergies is to determine how much data is required to reliably and fully profile the motion patterns of an individual...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813870/upper-limb-training-assessment-program-using-passive-force-controllable-rehabilitation-system
#7
Takehito Kikuchi, Chihiro Sato, Kazuki Yamabe, Isao Abe, Tetsuya Ohno, Shintaro Kugimiya, Akio Inoue
Upper limb rehabilitation training for Hemiplegie patients has been conducted mainly by human therapists. Training methods and conditions depend strongly on their experience because of the wide range of individual differences between patients. The force control and sensing functions of rehabilitation robots are expected to be used for the qualitative assessment of next-generation computational rehabilitation. In this study, we developed a simple exercise machine for upper limbs (SEMUL) using an electro-rheological fluid brake, as a safe brake-type robotic rehabilitation system...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813857/kinematic-effects-of-inertia-and-friction-added-by-a-robotic-knee-exoskeleton-after-prolonged-walking
#8
C Shirota, M R Tucker, O Lambercy, R Gassert
The capabilities of robotic gait assistive devices are ever increasing; however, their adoption outside of the lab is still limited. A critical barrier for the functionality of these devices are the still unknown mechanical properties of the human leg during dynamic conditions such as walking. We built a robotic knee exoskeleton to address this problem. Here, we present the effects of our device on the walking pattern of four subjects. We assessed the effects after a short period of acclimation as well as after a 1...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813695/risk-based-remediation-of-polluted-sites-a-critical-perspective
#9
REVIEW
Saranya Kuppusamy, Kadiyala Venkateswarlu, Mallavarapu Megharaj, Srinithi Mayilswami, Yong Bok Lee
Sites contaminated with chemical pollutants represent a growing challenge, and remediation of such lands is of international concern. Risk-based land management (RBLM) is an emerging approach that integrates risk assessment practices with more traditional site-specific investigations and remediation activities. Developing countries are yet to adopt RBLM strategies for remediation. RBLM is considered to be practical, scientifically defensible and cost-efficient. However, it is inherently limited by: firstly, the accuracy of risk assessment models used; secondly, ramifications of the fact that they are more likely to leave contamination in place; and thirdly, uncertainties involved and having to consider the total concentrations of all contaminants in soils that overestimate the potential risks from exposure to the contaminants...
August 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/28813642/buccal-swab-genomic-dna-fragmentation-predicts-likelihood-of-successful-hla-genotyping-by-next-generation-sequencing
#10
Maureen C Montgomery, Rosanne Petroria, Eric T Weimer
Many clinical human leukocyte antigen (HLA) laboratories are adopting next-generation sequencing (NGS) technology for HLA genotyping. There have been several reports of the cost-benefit and reduction in turn-around-time provided by NGS. Ninety-six percent of buccal swabs and peripheral blood samples had reportable HLA genotyping by NGS. The HLA loci most likely to fail genotyping from buccal swabs were DQB1, DPB1, and DPA1. Successful buccal swab samples had significantly less genomic DNA fragmentation compared to buccal swab samples that were unsuccessful...
August 13, 2017: Human Immunology
https://www.readbyqxmd.com/read/28813636/using-systems-science-to-inform-population-health-strategies-in-local-health-departments-a-case-study-in-san-antonio-texas
#11
Yan Li, Norma A Padrón, Anil T Mangla, Pamela G Russo, Thomas Schlenker, José A Pagán
OBJECTIVES: Because of state and federal health care reform, local health departments play an increasingly prominent role leading and coordinating disease prevention programs in the United States. This case study shows how a local health department working in chronic disease prevention and management can use systems science and evidence-based decision making to inform program selection, implementation, and assessment; enhance engagement with local health systems and organizations; and possibly optimize health care delivery and population health...
January 1, 2017: Public Health Reports
https://www.readbyqxmd.com/read/28813603/modeling-optical-spectra-of-large-organic-systems-using-real-time-propagation-of-semiempirical-effective-hamiltonians
#12
Soumen Ghosh, Amity Andersen, Laura Gagliardi, Christopher J Cramer, Niranjan Govind
We present an implementation of a time-dependent semiempirical method (INDO/S) in NWChem using real-time (RT) propagation to address, in principle, the entire spectrum of valence electronic excitations. Adopting this model, we study the UV-visible spectra of medium-sized systems like P3B2, f-coronene, and in addition much larger systems like ubiquitin in the gas phase and the betanin chromophore in the presence of two explicit solvents (water and methanol). RT-INDO/S provides qualitatively and indeed often quantitatively accurate results when compared with RT- TDDFT or experimental spectra...
August 16, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28813571/balanced-adoption-of-radial-artery-access-for-primary-percutaneous-coronary-intervention
#13
H Vernon Anderson, David P Faxon
No abstract text is available yet for this article.
August 16, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28813562/polygenic-scores-for-major-depressive-disorder-and-risk-of-alcohol-dependence
#14
Allan M Andersen, Robert H Pietrzak, Henry R Kranzler, Li Ma, Hang Zhou, Xiaoming Liu, John Kramer, Samuel Kuperman, Howard J Edenberg, John I Nurnberger, John P Rice, Jay A Tischfield, Alison Goate, Tatiana M Foroud, Jacquelyn L Meyers, Bernice Porjesz, Danielle M Dick, Victor Hesselbrock, Eric Boerwinkle, Steven M Southwick, John H Krystal, Myrna M Weissman, Douglas F Levinson, James B Potash, Joel Gelernter, Shizhong Han
Importance: Major depressive disorder (MDD) and alcohol dependence (AD) are heritable disorders with significant public health burdens, and they are frequently comorbid. Common genetic factors that influence the co-occurrence of MDD and AD have been sought in family, twin, and adoption studies, and results to date have been promising but inconclusive. Objective: To examine whether AD and MDD overlap genetically, using a polygenic score approach. Design, Settings, and Participants: Association analyses were conducted between MDD polygenic risk score (PRS) and AD case-control status in European ancestry samples from 4 independent genome-wide association study (GWAS) data sets: the Collaborative Study on the Genetics of Alcoholism (COGA); the Study of Addiction, Genetics, and Environment (SAGE); the Yale-Penn genetic study of substance dependence; and the National Health and Resilience in Veterans Study (NHRVS)...
August 16, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28813430/reprogramming-human-gallbladder-cells-into-insulin-producing-%C3%AE-like-cells
#15
Feorillo Galivo, Eric Benedetti, Yuhan Wang, Carl Pelz, Jonathan Schug, Klaus H Kaestner, Markus Grompe
The gallbladder and cystic duct (GBCs) are parts of the extrahepatic biliary tree and share a common developmental origin with the ventral pancreas. Here, we report on the very first genetic reprogramming of patient-derived human GBCs to β-like cells for potential autologous cell replacement therapy for type 1 diabetes. We developed a robust method for large-scale expansion of human GBCs ex vivo. GBCs were reprogrammed into insulin-producing pancreatic β-like cells by a combined adenoviral-mediated expression of hallmark pancreatic endocrine transcription factors PDX1, MAFA, NEUROG3, and PAX6 and differentiation culture in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28813369/gas-sensing-enhancement-methods-for-hydrothermal-synthesized-sno2-based-sensors
#16
Yalei Zhao, Wenlong Zhang, Bin Yang, Jingquan Liu, Xiang Chen, Xiaolin Wang, Chunsheng Yang
The gas sensing enhancement methods for hydrothermal synthesized SnO2-based gas sensors could be performed from three areas: structural improvement, composition optimization and processing improvement, which were aimed to improve the performance of the gas sensors. There was 0-D, 1-D and 3-D structures reported in literatures. Controllable synthesis of different structures was deployed to increase specific surface area. Change of composition would intensively tailor the SnO2 structure, which affected the gas sensing performance...
August 16, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28813289/the-transition-to-parenthood-impact-on-couples-romantic-relationships
#17
REVIEW
Brian D Doss, Galena K Rhoades
The birth of the first baby-often referred to as the transition to parenthood (TTP)-is both a time of great joy and great stress for new parents. Although the literature is mixed, the preponderance of evidence suggests that the TTP has a negative effect on relationship functioning for most couples. However, as children age, the relationship functioning of parents and non-parents converge. Notably, there are important moderators of this average trajectory; couples with higher levels of pre-birth relationship problems, insecurely attached parents, temperamentally difficult infants, and TTP following biological birth rather than adoption are associated with larger post-birth declines...
February 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813273/adoptive-parenting
#18
REVIEW
Harold D Grotevant, Albert Yh Lo
Challenges in adoptive parenting continue to emerge as adoption policies and practices evolve. We review three areas of research in adoptive parenting that reflect contemporary shifts in adoption. First, we highlight recent findings concerning openness in adoption contact arrangements, or contact between a child's families of birth and rearing. Second, we examine research regarding racial and cultural socialization in transracial and international adoptions. Finally, we review investigations of parenting experiences of lesbian and gay adoptive parents...
June 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813205/combining-2-commonly-adopted-nutrition-instruments-in-the-critical-care-setting-is-superior-to-administering-either-one-alone
#19
Charles Chin Han Lew, Ka Po Cheung, Mary Foong Fong Chong, Ai Ping Chua, Robert J L Fraser, Michelle Miller
BACKGROUND: This study aimed to determine the agreement between the modified Nutrition Risk in Critically ill Score (mNUTRIC) and the Subjective Global Assessment (SGA) and compare their ability in discriminating and quantifying mortality risk independently and in combination. METHODS: Between August 2015 and October 2016, all patients in a Singaporean hospital received the SGA within 48 hours of intensive care unit admission. Nutrition status was dichotomized into presence or absence of malnutrition...
August 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28813053/copper-ii-benzimidazole-complexes-as-efficient-fluorescent-probes-for-l-cysteine-in-water
#20
Duraiyarasu Maheshwaran, Selvarasu Priyanga, Ramasamy Mayilmurugan
Copper(ii) complexes [Cu(L1)(H2O)2](SO3CF3)21 and [Cu(L2)(H2O)2](SO3CF3)22 based on 2,6-bis(benzimidazolyl)pyridine were synthesized and are reported herein as highly selective "turn-on" optical probes for l-cysteine. The Cu(ii)/Cu(i) redox potential of probe 1 (0.14 V vs. NHE) was lower than that of 2 (0.233 V vs. NHE) in water. The molecular structure of 2 adopted a square pyramidal geometry (τ = 0.2545), with the Cu-Npy bond (1.958 Å) of its middle pyridine unit being shorter than the other two Cu-Nbenzim bonds (Cu-N, 1...
August 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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