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https://www.readbyqxmd.com/read/28436841/two-wire-bus-combining-full-duplex-body-sensor-network-and-multilead-biopotential-measurements
#1
Michael Rapin, Josias Wacker, Olivier Chetelat
Classical approaches to make high-quality measurements of biopotential signals require the use of shielded or multiwire cables connecting the electrodes to a central unit in a star arrangement. As a consequence, increasing the number of leads increases cabling and connector complexity which is not only limiting the patient comfort but is also anticipated as the main limiting factor to future miniaturization and cost reduction of tomorrow's wearables. We have recently introduced a novel sensing architecture that significantly reduces the cabling complexity by eliminating shielded or multiwire cables and by allowing simple connectors thanks to a bus arrangement...
April 24, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28430485/coherent-coupling-of-remote-spin-ensembles-via-a-cavity-bus
#2
T Astner, S Nevlacsil, N Peterschofsky, A Angerer, S Rotter, S Putz, J Schmiedmayer, J Majer
We report coherent coupling between two macroscopically separated nitrogen-vacancy electron spin ensembles in a cavity quantum electrodynamics system. The coherent interaction between the distant ensembles is directly detected in the cavity transmission spectrum by observing bright and dark collective multiensemble states and an increase of the coupling strength to the cavity mode. Additionally, in the dispersive limit we show transverse ensemble-ensemble coupling via virtual photons.
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28430480/superconducting-grid-bus-surface-code-architecture-for-hole-spin-qubits
#3
Simon E Nigg, Andreas Fuhrer, Daniel Loss
We present a scalable hybrid architecture for the 2D surface code combining superconducting resonators and hole-spin qubits in nanowires with tunable direct Rashba spin-orbit coupling. The backbone of this architecture is a square lattice of capacitively coupled coplanar waveguide resonators each of which hosts a nanowire hole-spin qubit. Both the frequency of the qubits and their coupling to the microwave field are tunable by a static electric field applied via the resonator center pin. In the dispersive regime, an entangling two-qubit gate can be realized via a third order process, whereby a virtual photon in one resonator is created by a first qubit, coherently transferred to a neighboring resonator, and absorbed by a second qubit in that resonator...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28429917/the-impact-of-urbanization-on-the-community-food-environment-in-china
#4
Yang Wu, Hong Xue, Huijun Wang, Chang Su, Shufa Du, Youfa Wang
BACKGROUND AND OBJECTIVES: Research on how urbanization has influenced the food environment in China is limited. The study aimed to examine the impact of urbanization on the food environment in China. METHODS AND STUDY DESIGN: Longitudinal data collected during 1989-2009 from the China Health and Nutrition Survey were used, which covered 9 provinces in China. Urbanicity index (0-10) was assessed using an urbanicity scale. Final analyses included 216 communities...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429178/sleep-habits-fatigue-and-sleepiness-in-chiclayo-peru-s-bus-drivers
#5
Fátima Deza-Becerra, Jorge Rey de Castro, Carol Gonzales-Gonzales, Franco Ernesto León-Jiménez, Jorge Osada-Liy, Edmundo Rosales-Mayor
OBJECTIVE: The objectives of the study are to describe sleep habits, fatigue, and sleepiness in Chiclayo's (Peru) bus drivers and explore their relation with traffic accidents. MATERIAL AND METHODS: This is a descriptive cross-sectional study with a non-probability consecutive sampling. The sample size was 126 drivers. Sleepiness was evaluated using the Epworth Sleepiness Scale and sleep hygiene with validated questionnaires. We used a history of traffic accident or a near-traffic accident as an independent variable and applied chi-squared, t, and Mann-Whitney U tests to evaluate initial associations, which were later tested with a multivariate analysis...
April 21, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28428877/p-aeruginosa-colonization-at-icu-admission-as-a-risk-factor-for-developing-p-aeruginosa-icu-pneumonia
#6
Fleur P Paling, Martin Wolkewitz, Pieter Depuydt, Liesbet de Bus, Frangiscos Sifakis, Marc J M Bonten, Jan A J W Kluytmans
OBJECTIVE: To determine the incidence of P. aeruginosa (PA) ICU pneumonia and its independent association with PA colonization at ICU admission. METHODS: This was a post-hoc analysis of a prospectively collected cohort study. Adult ICU patients with a length of stay of ≥48 h were included and assessed for microbiologically confirmed PA ICU pneumonia. Multivariate survival analysis was performed, including the covariates age, gender, PA colonization at ICU admission, ICU admission specialty and mechanical ventilation at ICU admission, while taking into account the effect of competing risks...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28422662/use-of-accelerometers-in-the-control-of-practical-prosthetic-arms
#7
Peter Kyberd, Adrian Poulton
Accelerometers can be used to augment the control of powered prosthetic arms. They can detect the orientation of the joint and limb and the controller can correct for the amount of torque required to move the limb. They can also be used to create a platform, with a fixed orientation relative to gravity for the object held in the hand. This paper describes three applications for this technology, in a powered wrist and powered arm. By adding sensors to the arm making these data available to the controller, the input from the user can be made simpler...
April 12, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28416210/development-of-a-continuous-motorcycle-protection-barrier-system-using-computer-simulation-and-full-scale-crash-testing
#8
Ali O Atahan, J Marten Hiekmann, Jeffrey Himpe, Joseph Marra
Road restraint systems are designed to minimize the undesirable effects of roadside accidents and improve safety of road users. These systems are utilized at either side or median section of roads to contain and redirect errant vehicles. Although restraint systems are mainly designed against car, truck and bus impacts there is an increasing pressure by the motorcycle industry to incorporate motorcycle protection systems into these systems. In this paper development details of a new and versatile motorcycle barrier, CMPS, coupled with an existing vehicle barrier is presented...
April 15, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28411744/effects-of-transit-bus-interior-configuration-on-performance-of-wheeled-mobility-users-during-simulated-boarding-and-disembarking
#9
Clive D'Souza, Victor Paquet, James A Lenker, Edward Steinfeld
The emergence of low-floor bus designs and related regulatory standards in the U.S. have resulted in substantial improvements in public transit accessibility. However, passengers using wheeled mobility devices still experience safety concerns and inefficiencies in boarding, disembarking, and interior circulation on low-floor buses. This study investigates effects of low-floor bus interior configuration and passenger crowding on boarding and disembarking efficiency and safety. Users of manual wheelchairs (n = 18), powered wheelchairs (n = 21) and electric scooters (n = 9) simulated boarding and disembarking in three interior layout configurations at low and high passenger crowding conditions on a full-scale laboratory mock-up of a low-floor bus...
July 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28411740/optimal-bus-temperature-for-thermal-comfort-during-a-cool-day
#10
K B Velt, H A M Daanen
A challenge for electric buses is to minimize heating and cooling power to maximally extend the driving range, but still provide sufficient thermal comfort for the driver and passengers. Therefore, we investigated the thermal sensation (TS) and thermal comfort (TC) of passengers in buses during a cool day (temperature 13.4 ± 0.5 °C, relative humidity (RH) 60 ± 5.8%) typical for the Dutch temperate maritime climate. 28 Males and 72 females rated TS and TC and gave information on age, stature, body weight and worn garments...
July 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28410776/do-not-damn-tobacco-users-to-ignorance-about-big-differences-in-deadly-products-because-you-disapprove-of-the-bus-they-are-on
#11
Lynn T Kozlowski, David T Sweanor
No abstract text is available yet for this article.
April 6, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28410775/don-t-throw-smokeless-tobacco-users-under-the-bus
#12
Jesse Elias, Yogi Hendlin, Benjamin W Chaffee, Pamela M Ling
No abstract text is available yet for this article.
April 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28409089/comparative-effectiveness-of-guided-weight-loss-and-physical-activity-monitoring-for-weight-loss-and-metabolic-risks-a-pilot-study
#13
Karissa L Peyer, Laura D Ellingson, Kathryn Bus, Sarah A Walsh, Warren D Franke, Gregory J Welk
Many consumer-based physical activity monitors (PAMs) are available but it is not clear how to use them to most effectively promote weight loss. The purpose of this pilot study was to compare the effectiveness of a personal PAM, a guided weight loss program (GWL), and the combination of these approaches on weight loss and metabolic risk. Participants completed the study in two cohorts: Fall 2010 and Spring 2011. A sample of 72 obese individuals in the Ames, IA area were randomized to one of 3 conditions: 1) (GWL, N = 31), 2) PAM, N = 29, or 3) a combination group (PAM + GWL, N = 29)...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28408262/optimization-of-microelectrode-recording-in-dbs-surgery-using-intraoperative-ct
#14
Ryan B Kochanski, Sander Bus, Gian Pal, Leo Verhagen Metman, Sepehr Sani
BACKGROUND: Microelectrode recording (MER) is used to confirm targeting accuracy during deep brain stimulation (DBS) surgery. We describe a technique using intraoperative CT extrapolation (iCTE) to predetermine and adjust the trajectory of the guide tube in order to improve microelectrode targeting accuracy. We hypothesized that this technique would decrease the number of MER tracks and operative time, while increasing the recorded length of subthalamic nucleus (STN). METHODS: Thirty-nine patients with Parkinson's disease who underwent STN DBS before the iCTE method were compared to 33 patients undergoing STN DBS using iCTE...
April 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28394287/efficient-streaming-mass-spatio-temporal-vehicle-data-access-in-urban-sensor-networks-based-on-apache-storm
#15
Lianjie Zhou, Nengcheng Chen, Zeqiang Chen
The efficient data access of streaming vehicle data is the foundation of analyzing, using and mining vehicle data in smart cities, which is an approach to understand traffic environments. However, the number of vehicles in urban cities has grown rapidly, reaching hundreds of thousands in number. Accessing the mass streaming data of vehicles is hard and takes a long time due to limited computation capability and backward modes. We propose an efficient streaming spatio-temporal data access based on Apache Storm (ESDAS) to achieve real-time streaming data access and data cleaning...
April 10, 2017: Sensors
https://www.readbyqxmd.com/read/28392392/combining-transcriptomics-and-pbpk-modeling-indicates-a-primary-role-of-hypoxia-and-altered-circadian-signaling-in-dichloromethane-carcinogenicity-in-mouse-lung-and-liver
#16
Melvin E Andersen, Michael B Black, Jerry L Campbell, Salil N Pendse, Harvey J Clewell Iii, Lynn H Pottenger, James S Bus, Darol E Dodd, Daniel C Kemp, Patrick D McMullen
Dichloromethane (DCM) is a lung and liver carcinogen in mice at inhalation exposures≥2000ppm. The modes of action (MOA) of these responses have been attributed to formation of genotoxic, reactive metabolite(s). Here, we examined gene expression in lung and liver from female B6C3F1 mice exposed to 0, 100, 500, 2000, 3000 and 4000ppm DCM for 90days. We also simulated dose measures - rates of DCM oxidation to carbon monoxide (CO) in lung and liver and expected blood carboxyhemoglobin (HbCO) time courses with a PBPK model inclusive of both conjugation and oxidation pathways...
April 6, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28386199/dynamic-population-artificial-bee-colony-algorithm-for-multi-objective-optimal-power-flow
#17
Man Ding, Hanning Chen, Na Lin, Shikai Jing, Fang Liu, Xiaodan Liang, Wei Liu
This paper proposes a novel artificial bee colony algorithm with dynamic population (ABC-DP), which synergizes the idea of extended life-cycle evolving model to balance the exploration and exploitation tradeoff. The proposed ABC-DP is a more bee-colony-realistic model that the bee can reproduce and die dynamically throughout the foraging process and population size varies as the algorithm runs. ABC-DP is then used for solving the optimal power flow (OPF) problem in power systems that considers the cost, loss, and emission impacts as the objective functions...
March 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28385943/is-there-still-a-role-for-osteoarticular-allograft-reconstruction-in-musculoskeletal-tumour-surgery-a-long-term-follow-up-study-of-38-patients-and-systematic-review-of-the-literature
#18
M P A Bus, M A J van de Sande, A H M Taminiau, P D S Dijkstra
AIMS: To assess complications and failure mechanisms of osteoarticular allograft reconstructions for primary bone tumours. PATIENTS AND METHODS: We retrospectively evaluated 38 patients (28 men, 74%) who were treated at our institution with osteoarticular allograft reconstruction between 1989 and 2010. Median age was 19 years (interquartile range 14 to 32). Median follow-up was 19.5 years (95% confidence interval (CI) 13.0 to 26.1) when 26 patients (68%) were alive...
April 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28380714/accessing-faith-based-organizations-using-public-transportation
#19
Terri Lewinson, Olivia Maley, Ann-Margaret Esnard
Nondriving aging adults are at risk of experiencing mobility barriers that inhibit access to important community resources for managing health and wellbeing. This multimethod study explores bus transportation experiences of older adults who live in extended stay hotels and use faith-based organizations to access resources. Interviews from 17 nondriving older adults were analyzed for perspectives about using faith-based organizations and residents' experiences navigating to faith-based organizations through available bus transportation in their communities...
January 1, 2017: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
https://www.readbyqxmd.com/read/28380145/-representation-of-self-care-of-health-at-work-among-urban-bus-drivers-in-guadalajara-mexico
#20
Mercedes Gabriela Orozco-Solis, Cecilia Colunga-Rodríguez, María de Lourdes Preciado-Serrano, Mario Ángel-González, Julio César Vázquez-Colunga, Bertha Alicia Colunga-Rodríguez
This study aimed to analyze the social representations of health self-care at work among urban bus drivers in Guadalajara, Mexico. The methodology was qualitative, with a multi-method design based on the theory of social representations. The first stage involved active observation sessions with the information recorded in field notes; in the second stage, the associative letter technique and successively hierarchized trees technique were applied to 20 drivers, submitting the data to a classical analysis of the free associations; a third stage involved semi-structured interviews with 4 drivers, submitted to content analysis...
April 3, 2017: Cadernos de Saúde Pública
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