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https://www.readbyqxmd.com/read/28227685/graphical-user-interface-for-a-robotic-workstation-in-a-surgical-environment
#1
A Bielski, C P Lohmann, M Maier, D Zapp, M A Nasseri, A Bielski, C P Lohmann, M Maier, D Zapp, M A Nasseri, M A Nasseri, M Maier, D Zapp, C P Lohmann, A Bielski
Surgery using a robotic system has proven to have significant potential but is still a highly challenging task for the surgeon. An eye surgery assistant has been developed to eliminate the problem of tremor caused by human motions endangering the outcome of ophthalmic surgery. In order to exploit the full potential of the robot and improve the workflow of the surgeon, providing the ability to change control parameters live in the system as well as the ability to connect additional ancillary systems is necessary...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227305/a-matlab-based-graphical-user-interface-for-the-identification-of-muscular-activations-from-surface-electromyography-signals
#2
Alessandro Mengarelli, Stefano Cardarelli, Federica Verdini, Laura Burattini, Sandro Fioretti, Francesco Di Nardo, Alessandro Mengarelli, Stefano Cardarelli, Federica Verdini, Laura Burattini, Sandro Fioretti, Francesco Di Nardo, Stefano Cardarelli, Federica Verdini, Alessandro Mengarelli, Sandro Fioretti, Laura Burattini, Francesco Di Nardo
In this paper a graphical user interface (GUI) built in MATLAB® environment is presented. This interactive tool has been developed for the analysis of superficial electromyography (sEMG) signals and in particular for the assessment of the muscle activation time intervals. After the signal import, the tool performs a first analysis in a totally user independent way, providing a reliable computation of the muscular activation sequences. Furthermore, the user has the opportunity to modify each parameter of the on/off identification algorithm implemented in the presented tool...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226879/toward-a-low-cost-gait-analysis-system-for-clinical-and-free-living-assessment
#3
Cassim Ladha, Silvia Del Din, Kianoush Nazarpour, Aodhan Hickey, Rosie Morris, Michael Catt, Lynn Rochester, Alan Godfrey, Cassim Ladha, Silvia Del Din, Kianoush Nazarpour, Aodhan Hickey, Rosie Morris, Michael Catt, Lynn Rochester, Alan Godfrey, Rosie Morris, Cassim Ladha, Lynn Rochester, Alan Godfrey, Aodhan Hickey, Silvia Del Din, Kianoush Nazarpour, Michael Catt
Gait is an important clinical assessment tool since changes in gait may reflect changes in general health. Measurement of gait is a complex process which has been restricted to bespoke clinical facilities until recently. The use of inexpensive wearable technologies is an attractive alternative and offers the potential to assess gait in any environment. In this paper we present the development of a low cost analysis gait system built using entirely open source components. The system is used to capture spatio-temporal gait characteristics derived from an existing conceptual model, sensitive to ageing and neurodegenerative pathology (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222924/assessing-anthropogenic-pressures-on-streams-a-random-forest-approach-based-on-benthic-diatom-communities
#4
Floriane Larras, Romain Coulaud, Edwige Gautreau, Elise Billoir, Juliette Rosebery, Philippe Usseglio-Polatera
Benthic diatoms have been widely used to assess the ecological status of freshwater ecosystems, especially in the context of recent international water framework directive policies (e.g. the WFD). Despite diatom-based indices are known to respond fastly to water quality degradation, they are not designed to precisely identify the nature of pressures co-occurring in the environment. Based on large scale monitoring data, we aimed at building models able to estimate the risk of stream impairment by many types of anthropogenic pressures from taxonomy-based and trait-based characteristics of diatom assemblages...
February 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28220988/-the-gaze-heuristic-biography-of-an-adaptively-rational-decision-process
#5
Robert P Hamlin
This article is a case study that describes the natural and human history of the gaze heuristic. The gaze heuristic is an interception heuristic that utilizes a single input (deviation from a constant angle of approach) repeatedly as a task is performed. Its architecture, advantages, and limitations are described in detail. A history of the gaze heuristic is then presented. In natural history, the gaze heuristic is the only known technique used by predators to intercept prey. In human history the gaze heuristic was discovered accidentally by Royal Air Force (RAF) fighter command just prior to World War II...
February 21, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/28220914/the-association-between-body-built-and-injury-occurrence-in-pre-professional-ballet-dancers-separated-analysis-for-the-injured-body-locations
#6
Petra Zaletel, Damir Sekulić, Nataša Zenić, Michael R Esco, Dorica Šajber, Miran Kondrič
OBJECTIVES: This study has aimed at identifying prevalence of injury-occurrence in 24 pre-professional-ballet-dancers (females, 16-18 years of age), and identifying the associations between the body-built and prevalence of injuries. MATERIAL AND METHODS: The sample of variables included: body mass, body height, and 3 somatotype characteristics (mesomorph, ectomorph and endomorph) and data on injuries over the preceding year. RESULTS: Dancers were mostly ectomorphic-mesomorph (endomorphy: 2...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28219427/association-between-perceived-built-environmental-attributes-and-physical-activity-among-adults-in-south-africa
#7
Pasmore Malambo, Andre P Kengne, Estelle V Lambert, Anniza De Villers, Thandi Puoane
BACKGROUND: To investigate the association between perceived environmental attributes and leisure-time and transport-related physical activity. METHODS: This was a cross-sectional survey involving 671 South Africans aged ≥35 years from urban and rural settings. International Physical Activity Questionnaire and Neighbourhood Walkability Scale were used to collect data. Multivariable logistic regressions were used to investigate the associations. RESULTS: Significant urban vs...
February 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28216377/neighborhood-walkability-and-hospital-treatment-costs-a-first-assessment
#8
Yan Yu, Rachel Davey, Tom Cochrane, Vincent Learnihan, Ivan C Hanigan, Nasser Bagheri
Health system expenditure is a global concern, with hospital cost a major component. Built environment has been found to affect physical activity and health outcomes. The purpose of the study was a first assessment of the relationship between neighborhood walkability and hospital treatment costs. For 88 neighborhoods in the Australian Capital Territory (ACT), 2011-2013, a total of 30,690 hospital admissions for the treatment of four diagnostic groups (cancers, endocrine, nutritional and metabolic diseases, circulatory diseases and respiratory diseases) were extracted from the ACT admitted patient care database and analyzed in relation to the Walk Score® index as a measure of walkability...
February 16, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28212855/depth-dependent-amino-acid-substitution-matrices-and-its-use-in-predicting-deleterious-mutations
#9
REVIEW
Nida Farheen, Neeladri Sen, Sanjana Nair, Kuan Pern Tan, M S Madhusudhan
The 20 naturally occurring amino acids have different environmental preferences of where they are likely to occur in protein structures. Environments in a protein can be classified by their proximity to solvent by the residue depth measure. Since the frequencies of amino acids are different at various depth levels, the substitution frequencies should vary according to depth. To quantify these substitution frequencies, we built depth dependent substitution matrices. The dataset used for creation of the matrices consisted of 3696 high quality, non redundant pairwise protein structural alignments...
February 14, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28212424/risk-factors-for-central-nervous-system-tumors-in-children-new-findings-from-a-case-control-study
#10
Rebeca Ramis, Ibon Tamayo-Uria, Diana Gómez-Barroso, Gonzalo López-Abente, Antonio Morales-Piga, Elena Pardo Romaguera, Nuria Aragonés, Javier García-Pérez
BACKGROUND: Central nervous system tumors (CNS) are the most frequent solid tumor in children. Causes of CNS tumors are mainly unknown and only 5% of the cases can be explained by genetic predisposition. We studied the effects of environmental exposure on the incidence of CNS tumors in children by subtype, according to exposure to industrial and/or urban environment, exposure to crops and according to socio-economic status of the child. METHODS: We carried out a population-based case-control study of CNS tumors in Spain, covering 714 incident cases collected from the Spanish Registry of Childhood Tumors (period 1996-2011) and 4284 controls, individually matched by year of birth, sex, and autonomous region of residence...
2017: PloS One
https://www.readbyqxmd.com/read/28209705/patients-experiences-of-diabetes-education-teams-integrated-into-primary-care
#11
Barbara Grohmann, Sherry Espin, Enza Gucciardi
OBJECTIVE: To explore patients' perspectives on care received from diabetes education teams (a registered nurse and a registered dietitian) integrated into primary care. DESIGN: Qualitative study using semistructured, one-on-one interviews. SETTING: Three diabetes education programs operating in 11 primary care sites in one region of Ontario. PARTICIPANTS: Twenty-three patients with diabetes. METHODS: Purposeful sampling was used to recruit participants from each site for interviews...
February 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28208793/chitosan-recombinamer-layer-by-layer-coatings-for-multifunctional-implants
#12
Jeevan Prasaad Govindharajulu, Xi Chen, Yuping Li, Jose Carlos Rodriguez-Cabello, Mrinal Battacharya, Conrado Aparicio
The main clinical problems for dental implants are (1) formation of biofilm around the implant-a condition known as peri-implantitis and (2) inadequate bone formation around the implant-lack of osseointegration. Therefore, developing an implant to overcome these problems is of significant interest to the dental community. Chitosan has been reported to have good biocompatibility and anti-bacterial activity. An osseo-inductive recombinant elastin-like biopolymer (P-HAP), that contains a peptide derived from the protein statherin, has been reported to induce biomineralization and osteoblast differentiation...
February 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208786/policy-research-and-residents-perspectives-on-built-environments-implicated-in-heart-disease-a-concept-mapping-approach
#13
Ivana Stankov, Natasha J Howard, Mark Daniel, Margaret Cargo
An underrepresentation of stakeholder perspectives within urban health research arguably limits our understanding of what is a multi-dimensional and complex relationship between the built environment and health. By engaging a wide range of stakeholders using a participatory concept mapping approach, this study aimed to achieve a more holistic and nuanced understanding of the built environments shaping disease risk, specifically cardiometabolic risk (CMR). Moreover, this study aimed to ascertain the importance and changeability of identified environments through government action...
February 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28205544/structural-environment-built-by-akap12-colon-mesenchymal-cells-drives-m2-macrophages-during-inflammation-recovery
#14
Jun-Mo Yang, Hye Shin Lee, Ji Hae Seo, Ji-Hyeon Park, Irwin H Gelman, Eng H Lo, Kyu-Won Kim
Macrophages exhibit phenotypic plasticity, as they have the ability to switch their functional phenotypes during inflammation and recovery. Simultaneously, the mechanical environment actively changes. However, how these dynamic alterations affect the macrophage phenotype is unknown. Here, we observed that the extracellular matrix (ECM) constructed by AKAP12+ colon mesenchymal cells (CMCs) generated M2 macrophages by regulating their shape during recovery. Notably, rounded macrophages were present in the linear and loose ECM of inflamed colons and polarized to the M1 phenotype...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202653/argentine-ants-linepithema-humile-use-adaptable-transportation-networks-to-track-changes-in-resource-quality
#15
Tanya Latty, Michael J Holmes, James C Makinson, Madeleine Beekman
Transportation networks play a crucial role in human and animal societies. For a transportation network to be efficient, it must have adequate capacity to meet traffic demand. Network design becomes increasingly difficult in situations where traffic demand can change unexpectedly. In humans, network design is often constrained by path dependency because it is difficult to move a road once it is built. A similar issue theoretically faces pheromone-trail-laying social insects; once a trail has been laid, positive feedback makes re-routing difficult because new trails cannot compete with continually reinforced pre-existing trails...
February 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28196848/gps-based-exposure-to-greenness-and-walkability-and-accelerometry-based-physical-activity
#16
Peter James, Jaime E Hart, J Aaron Hipp, Jonathan Mitchell, Jacqueline Kerr, Philip M Hurvitz, Karen Glanz, Francine Laden
BACKGROUND: Physical inactivity is a risk factor for cancer that may be influenced by environmental factors. Indeed, dense and well-connected built environments and environments with natural vegetation may create opportunities for higher routine physical activity. However, studies have focused primarily on residential environments to define exposure and self-reported methods to estimate physical activity. The current study explores the momentary association between minute-level global positioning systems (GPS)-based greenness exposure and time-matched objectively measured physical activity...
February 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28196846/racial-ethnic-differences-in-the-impact-of-neighborhood-social-and-built-environment-on-breast-cancer-risk-the-neighborhoods-and-breast-cancer-study
#17
Shannon M Conroy, Salma Shariff-Marco, Jocelyn Koo, Juan Yang, Theresa H M Keegan, Meera Sangaramoorthy, Andrew Hertz, David O Nelson, Myles Cockburn, William A Satariano, Irene H Yen, Ninez Ponce, Esther M John, Scarlett Lin Gomez
BACKGROUND: Neighborhood socioeconomic status (nSES) has been found to be associated with breast cancer risk. It remains unclear whether this association applies across racial/ethnic groups independent of individual-level factors, and is attributable to other neighborhood characteristics. METHODS: We examined the independent and joint associations of education and nSES with odds of breast cancer. Residential addresses were geocoded for 2,838 cases and 3,117 controls and linked to nSES and social and built environment characteristics...
February 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28195834/surface-acoustic-waves-induced-micropatterning-of-cells-in-gelatin-methacryloyl-gelma-hydrogels
#18
Shahid M Naseer, Amir Manbachi, Mohamadmahdi Samandari, Philipp Walch, Yuan Gao, Yu Shrike Zhang, Farideh Davoudi, Wesley Wang, Karen Abrinia, Jonathan M Cooper, Ali Khademhosseini, Su Ryon Shin
Acoustic force patterning is an emerging technology that provides a platform to control the spatial location of cells in a rapid, accurate, yet contactless manner. However, very few studies have been reported on the usage of acoustic force patterning for the rapid arrangement of biological objects, such as cells, in a three-dimensional (3D) environment. In this study, we report on a bio-acoustic force patterning technique, which uses surface acoustic waves (SAWs) for the rapid arrangement of cells within an extracellular matrix-based hydrogel such as gelatin methacryloyl (GelMA)...
February 14, 2017: Biofabrication
https://www.readbyqxmd.com/read/28194537/strain-induced-inflammation-in-pulmonary-alveolar-tissue-due-to-mechanical-ventilation
#19
Parya Aghasafari, Israr Bin M Ibrahim, Ramana Pidaparti
Inflammation is the body's attempt at self-protection to remove harmful stimuli, including damaged cells, irritants, or pathogens and begin the healing process. In this study, strain-induced inflammation in pulmonary alveolar tissue under high tidal volume is investigated through a combination of an inflammation model and fluid structure interaction (FSI) analysis. A realistic three-dimensional organ model for alveolar sacs is built, and FSI is employed to evaluate strain distribution in alveolar tissue for different tidal volume (TV) values under the mechanical ventilation (MV) condition...
February 13, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28192711/urban-and-non-urban-differences-in-community-living-and-participation-among-individuals-with-serious-mental-illnesses
#20
Greg Townley, Eugene Brusilovskiy, Mark S Salzer
Despite a wealth of studies examining the relationship between urbanicity (i.e., living in an urban area) and psychological distress, there is a paucity of research examining the relationship between urbanicity, community living, and community participation of adults with serious mental illnesses. This study addresses this knowledge gap by assessing urban and non-urban differences in community participation, sense of community, mental health stigma, and perceptions of the neighborhood environment among individuals with serious mental illnesses living independently throughout the United States...
January 31, 2017: Social Science & Medicine
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