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https://www.readbyqxmd.com/read/28539149/mobility-and-agility-during-locomotion-in-the-mark-iii-space-suit
#1
Conor R Cullinane, Richard A Rhodes, Leia A Stirling
INTRODUCTION: The Mark III (MIII) space suit assembly (SSAs) implements a multibearing, hard-material hip brief assembly (HBA). We hypothesize that: 1) the MIII HBA restricts operator mobility and agility which manifests in effects to gait parameters; 2) the waist bearing provides rotational motion, partially alleviating the restrictions; and 3) there are resistive, speed-dependent torques associated with the spinning bearings which further diminish mobility and agility. METHODS: A subject (Suited and Unsuited) performed two planetary tasks-walking forward (WF) and backward (WB)...
June 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28527104/low-income-as-a-multiplicative-risk-factor-for-oral-pain-and-dental-problems-among-u-s-veteran-smokers
#2
Terrell A Hicks, Sarah M Wilson, Shaun P Thomas, Paul A Dennis, Julia M Neal, Patrick S Calhoun
PURPOSE: Compared to the United States (U.S.) general population, military veterans are at an increased risk of experiencing dental problems. This study documented associations between cigarette use and measures of dental/oral concern in a population of U.S. veterans who served in Iraq and Afghanistan. METHOD: A cross-sectional analysis of survey data from the Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) Veterans Health and Needs Study, a study of U...
May 19, 2017: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28526428/extensively-drug-resistant-bacteria-which-ethical-issues
#3
P Vassal, P Berthelot, J P Chaussinand, S Jay, J P de Filippis, C Auboyer, F Renoux, D Bedoin
OBJECTIVE: The increased bacterial resistance to antibiotics has now become a public health concern. How can we preserve the well-being of patients presenting with infections caused by extensively drug-resistant bacteria (EDRBs) and that of their contacts without inducing any loss of chance of survival, all the while living together and controlling the spread of these EDRBs? METHOD: Terre d'éthique, a French territorial ethics committee, was asked to reflect on this topic by the infection control unit of a French University Hospital as it raises many ethical issues...
May 16, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28521067/antiepileptic-drugs-for-the-treatment-of-infants-with-severe-myoclonic-epilepsy
#4
REVIEW
Francesco Brigo, Stanley C Igwe, Nicola Luigi Bragazzi
BACKGROUND: This is an updated version of the original Cochrane review published in 2015, Issue 10.Severe myoclonic epilepsy in infants (SMEI), also known as Dravet syndrome, is a rare, refractory form of epilepsy, for which stiripentol (STP) has been recently licensed as add-on therapy. OBJECTIVES: To evaluate the efficacy and tolerability of STP and other antiepileptic drug treatments (including ketogenic diet) for patients with SMEI. SEARCH METHODS: For the latest update we searched the Cochrane Epilepsy Group Specialized Register (20 December 2016), the Cochrane Central Register of Controlled Trials (CENTRAL) via the Cochrane Register of Studies Online (CRSO, 20 December 2016), MEDLINE (Ovid, 1946 to 20 December 2016) and ClinicalTrials...
May 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28520663/contributions-to-executive-dysfunction-in-operation-enduring-freedom-operation-iraqi-freedom-veterans-with-posttraumatic-stress-disorder-and-history-of-mild-traumatic-brain-injury
#5
Sarah M Jurick, Laura D Crocker, Mark Sanderson-Cimino, Amber V Keller, Liljana S Trenova, Briana L Boyd, Elizabeth W Twamley, Carie S Rodgers, Dawn M Schiehser, Robin L Aupperle, Amy J Jak
OBJECTIVE: Posttraumatic stress disorder (PTSD), history of mild traumatic brain injury (mTBI), and executive function (EF) difficulties are prevalent in Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) Veterans. We evaluated the contributions of injury variables, lower-order cognitive component processes (processing speed/attention), and psychological symptoms to EF. PARTICIPANTS: OEF/OIF Veterans (N = 65) with PTSD and history of mTBI were administered neuropsychological tests of EF and self-report assessments of PTSD and depression...
May 17, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28516901/eeg-source-space-analysis-of-the-supervised-factor-analytic-approach-for-the-classification-of-multi-directional-arm-movement
#6
Vikram Shenoy Handiru, A P Vinod, Cuntai Guan
OBJECTIVE: In electroencephalography (EEG)-based brain-computer interface (BCI) systems for motor control tasks the conventional practice is to decode motor intentions by using scalp EEG. However, scalp EEG only reveals certain limited information about the complex tasks of movement with a higher degree of freedom. Therefore, our objective is to investigate the effectiveness of source-space EEG in extracting relevant features that discriminate arm movement in multiple directions. APPROACH: We have proposed a novel feature extraction algorithm based on supervised factor analysis that models the data from source-space EEG...
May 18, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28514756/elevated-crp-levels-predict-poor-outcome-and-tumor-recurrence-in-patients-with-thymic-epithelial-tumors-a-pro-and-retrospective-analysis
#7
Stefan Janik, Christine Bekos, Philipp Hacker, Thomas Raunegger, Bahil Ghanim, Elisa Einwallner, Lucian Beer, Walter Klepetko, Leonhard Müllauer, Hendrik J Ankersmit, Bernhard Moser
OBJECTIVE: Scarce information exists on the pathogenesis of thymic epithelial tumors (TETs), comprising thymomas, thymic carcinomas (TCs) and neuroendocrine tumors. C-reactive protein (CRP) increases during certain malignancies. We aimed to investigate the clinical relevance of CRP in patients with TETs. RESULTS: Pretreatment CRP serum concentrations were significantly elevated in patients with TETs, particularly TCs and metastatic TETs. After complete tumor resection CRP serum concentrations were decreased (p = 0...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28507305/overcoming-thermal-noise-in-non-volatile-spin-wave-logic
#8
Sourav Dutta, Dmitri E Nikonov, Sasikanth Manipatruni, Ian A Young, Azad Naeemi
Spin waves are propagating disturbances in magnetically ordered materials, analogous to lattice waves in solid systems and are often described from a quasiparticle point of view as magnons. The attractive advantages of Joule-heat-free transmission of information, utilization of the phase of the wave as an additional degree of freedom and lower footprint area compared to conventional charge-based devices have made spin waves or magnon spintronics a promising candidate for beyond-CMOS wave-based computation. However, any practical realization of an all-magnon based computing system must undergo the essential steps of a careful selection of materials and demonstrate robustness with respect to thermal noise or variability...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28504744/degenerate-cavity-supporting-more-than-31-laguerre-gaussian-modes
#9
Ze-Di Cheng, Zhao-Di Liu, Xi-Wang Luo, Zheng-Wei Zhou, Jian Wang, Qiang Li, Yi-Tao Wang, Jian-Shun Tang, Jin-Shi Xu, Chuan-Feng Li, Guang-Can Guo
Photons propagating in Laguerre-Gaussian modes have characteristic orbital angular momenta, which are fundamental optical degrees of freedom. The orbital angular momentum of light has potential application in high-capacity optical communication and even in quantum information processing. In this work, we experimentally construct a ring cavity with four lenses and four mirrors that is completely degenerate for Laguerre-Gaussian modes. By measuring the transmitted peaks and patterns of different modes, the ring cavity is shown to support more than 31 Laguerre-Gaussian modes...
May 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28503832/the-voluntary-nature-of-decision-making-in-addiction-static-metaphysical-views-versus-epistemologically-dynamic-views
#10
Eric Racine, Simon Rousseau-Lesage
The degree of autonomy present in the choices made by individuals with an addiction, notably in the context of research, is unclear and debated. Some have argued that addiction, as it is commonly understood, prevents people from having sufficient decision-making capacity or self-control to engage in choices involving substances to which they have an addiction. Others have criticized this position for being too radical and have counter-argued in favour of the full autonomy of people with an addiction. Aligning ourselves with middle-ground positions between these two extremes, we flesh out an account of voluntary action that makes room for finer-grained analyses than the proposed all-or-nothing stances, which rely on a rather static metaphysical understanding of the nature of the voluntariness of action...
June 2017: Bioethics
https://www.readbyqxmd.com/read/28498703/realization-of-a-cascaded-quantum-system-heralded-absorption-of-a-single-photon-qubit-by-a-single-electron-charged-quantum-dot
#11
Aymeric Delteil, Zhe Sun, Stefan Fält, Atac Imamoğlu
Photonic losses pose a major limitation for the implementation of a quantum state transfer between nodes of a quantum network. A measurement that heralds a successful transfer without revealing any information about the qubit may alleviate this limitation. Here, we demonstrate the heralded absorption of a single photonic qubit, generated by a single neutral quantum dot, by a single-electron charged quantum dot that is located 5 m away. The transfer of quantum information to the spin degree of freedom takes place upon the emission of a photon; for a properly chosen or prepared quantum dot, the detection of this photon yields no information about the qubit...
April 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28494333/implementing-monitoring-technologies-in-care-homes-for-people-with-dementia-a-qualitative-exploration-using-normalization-process-theory
#12
Alex Hall, Christine Brown Wilson, Emma Stanmore, Chris Todd
BACKGROUND: Ageing societies and a rising prevalence of dementia are associated with increasing demand for care home places. Monitoring technologies (e.g. bed-monitoring systems; wearable location-tracking devices) are appealing to care homes as they may enhance safety, increase resident freedom, and reduce staff burden. However, there are ethical concerns about the use of such technologies, and it is unclear how they might be implemented to deliver their full range of potential benefits...
April 27, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28493731/pilot-data-of-a-brief-veteran-peer-intervention-and-its-relationship-to-mental-health-treatment-engagement
#13
Elizabeth M Goetter, Eric Bui, Travis P Weiner, Laura Lakin, Thomas Furlong, Naomi M Simon
Underutilization of mental health care is a significant problem among veterans. Offering peer support may improve mental health care engagement. This observational pilot study was conducted using an institutional review board-approved data repository to preliminarily evaluate the association and potential impact of a clinic-based veteran peer outreach strategy on treatment engagement and dropout. Veteran peer outreach coordinators (VPOCs) provided systematic contact (a) within 1 week after clinical evaluation and (b) 1 month after the patient's first treatment session to patients entering treatment at a specialty mental health clinic that provides military-informed mental health care to post-9/11 veterans and service members...
May 11, 2017: Psychological Services
https://www.readbyqxmd.com/read/28492258/preparation-and-coherent-manipulation-of-pure-quantum-states-of-a-single-molecular-ion
#14
Chin-Wen Chou, Christoph Kurz, David B Hume, Philipp N Plessow, David R Leibrandt, Dietrich Leibfried
Laser cooling and trapping of atoms and atomic ions has led to advances including the observation of exotic phases of matter, the development of precision sensors and state-of-the-art atomic clocks. The same level of control in molecules could also lead to important developments such as controlled chemical reactions and sensitive probes of fundamental theories, but the vibrational and rotational degrees of freedom in molecules pose a challenge for controlling their quantum mechanical states. Here we use quantum-logic spectroscopy, which maps quantum information between two ion species, to prepare and non-destructively detect quantum mechanical states in molecular ions...
May 10, 2017: Nature
https://www.readbyqxmd.com/read/28487856/computing-spatiotemporal-heat-maps-of-lipid-electropore-formation-a-statistical-approach
#15
Willy Wriggers, Federica Castellani, Julio A Kovacs, P Thomas Vernier
We extend the multiscale spatiotemporal heat map strategies originally developed for interpreting molecular dynamics simulations of well-structured proteins to liquids such as lipid bilayers and solvents. Our analysis informs the experimental and theoretical investigation of electroporation, that is, the externally imposed breaching of the cell membrane under the influence of an electric field of sufficient magnitude. To understand the nanoscale architecture of electroporation, we transform time domain data of the coarse-grained interaction networks of lipids and solvents into spatial heat maps of the most relevant constituent molecules...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28484357/induced-abortion-a-systematic-review-and-meta-analysis
#16
Saeed Dastgiri, Maryam Yoosefian, Mehraveh Garjani, Leila R Kalankesh
BACKGROUND: Induced abortion accounts for 1 in 8 of approximately 600000 maternal deaths that occur annually worldwide. Induced abortion rate can be considered as one of the indicators for assessing availability of the appropriate reproductive health plans for women and identifying needs for appropriate related health policies and programs. MATERIAL AND METHODS: Researchers searched Pubmed, Google Scholar, CINAHL, Embase, PsycINFO, Cochrane, Iranian Scientific Information Database (SID), Iranian biomedical journals (Iranmedex), and Iranian Research Institute of Information and Documentation (Irandoc) between January 2000 and June 2013, which reported induced abortion...
March 2017: Materia Socio-medica
https://www.readbyqxmd.com/read/28483337/individualised-prediction-model-of-seizure-recurrence-and-long-term-outcomes-after-withdrawal-of-antiepileptic-drugs-in-seizure-free-patients-a-systematic-review-and-individual-participant-data-meta-analysis
#17
Herm J Lamberink, Willem M Otte, Ada T Geerts, Milen Pavlovic, Julio Ramos-Lizana, Anthony G Marson, Jan Overweg, Letícia Sauma, Luigi M Specchio, Michael Tennison, Tania M O Cardoso, Shlomo Shinnar, Dieter Schmidt, Karin Geleijns, Kees P J Braun
BACKGROUND: People with epilepsy who became seizure-free while taking antiepileptic drugs might consider discontinuing their medication, with the possibility of increased quality of life because of the elimination of adverse events. The risk with this action, however, is seizure recurrence. The objectives of our study were to identify predictors of seizure recurrence and long-term seizure outcomes and to produce nomograms for estimation of individualised outcomes. METHODS: We did a systematic review and meta-analysis, and identified eligible articles and candidate predictors, using PubMed and Embase databases with a last update on Nov 6, 2014...
May 5, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28480900/quantum-circuit-refrigerator
#18
Kuan Yen Tan, Matti Partanen, Russell E Lake, Joonas Govenius, Shumpei Masuda, Mikko Möttönen
Quantum technology promises revolutionizing applications in information processing, communications, sensing and modelling. However, efficient on-demand cooling of the functional quantum degrees of freedom remains challenging in many solid-state implementations, such as superconducting circuits. Here we demonstrate direct cooling of a superconducting resonator mode using voltage-controllable electron tunnelling in a nanoscale refrigerator. This result is revealed by a decreased electron temperature at a resonator-coupled probe resistor, even for an elevated electron temperature at the refrigerator...
May 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28475998/refractory-focal-motor-seizures-controlled-with-intramuscular-botulinum-toxin
#19
Wei-I Lee, Patrick W Carney, Andrew J Hughes, John S Archer
Patients with recurrent focal motor seizures present a management dilemma, as anti-convulsants are often ineffective, and resective surgery poses a high risk of motor deficit. We describe three patients with recurrent focal motor seizures that remained refractory despite numerous anti-convulsant trials. All patients showed either hyperperfusion on Single-Photon Emission Computerised Tomography (SPECT) or hypermetabolism on Positron Emission Tomography (PET) in primary motor cortex during periods of sustained jerking, although EEG abnormalities were uncommon...
April 10, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28475651/pharmacokinetic-modeling-of-gentamicin-in-treatment-of-infective-endocarditis-model-development-and-validation-of-existing-models
#20
Anna Gomes, Lars van der Wijk, Johannes H Proost, Bhanu Sinha, Daan J Touw
Gentamicin shows large variations in half-life and volume of distribution (Vd) within and between individuals. Thus, monitoring and accurately predicting serum levels are required to optimize effectiveness and minimize toxicity. Currently, two population pharmacokinetic models are applied for predicting gentamicin doses in adults. For endocarditis patients the optimal model is unknown. We aimed at: 1) creating an optimal model for endocarditis patients; and 2) assessing whether the endocarditis and existing models can accurately predict serum levels...
2017: PloS One
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