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Visualization and System Diagrams

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https://www.readbyqxmd.com/read/28630034/fall-prevention-self-assessments-via-mobile-3d-visualization-technologies-community-dwelling-older-adults-perceptions-of-opportunities-and-challenges
#1
Julian Hamm, Arthur Money, Anita Atwal
BACKGROUND: In the field of occupational therapy, the assistive equipment provision process (AEPP) is a prominent preventive strategy used to promote independent living and to identify and alleviate fall risk factors via the provision of assistive equipment within the home environment. Current practice involves the use of paper-based forms that include 2D measurement guidance diagrams that aim to communicate the precise points and dimensions that must be measured in order to make AEPP assessments...
June 19, 2017: JMIR Human Factors
https://www.readbyqxmd.com/read/28533467/the-current-and-future-state-of-animal-coloration-research
#2
REVIEW
John A Endler, Johanna Mappes
Animal colour patterns are a model system for understanding evolution because they are unusually accessible for study and experimental manipulation. This is possible because their functions are readily identifiable. In this final paper of the symposium we provide a diagram of the processes affecting colour patterns and use this to summarize their functions and put the other papers in a broad context. This allows us to identify significant 'holes' in the field that only become obvious when we see the processes affecting colour patterns, and their interactions, as a whole...
July 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28412452/enhancement-of-dissolution-rate-through-eutectic-mixture-and-solid-solution-of-posaconazole-and-benznidazole
#3
Camila Bezerra Melo Figueirêdo, Daniela Nadvorny, Amanda Carla Quintas de Medeiros Vieira, José Lamartine Soares Sobrinho, Pedro José Rolim Neto, Ping I Lee, Monica Felts de La Roca Soares
Benznidazole (BNZ), the only commercialized antichagasic drug, and the antifungal compound posaconazole (PCZ) have shown synergistic action in the therapy of Chagas disease, however both active pharmaceutical ingredients (APIs) exhibit low aqueous solubility potentially limiting their bioavailability and therapeutic efficacy. In this paper, we report for the first time the formation of a eutectic mixture as well as an amorphous solid solution of PCZ and BNZ (at the same characteristic ratio of 80:20wt%), which provided enhanced solubility and dissolution rate for both APIs...
April 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28287524/a-web-tool-for-generating-high-quality-machine-readable-biological-pathways
#4
Miguel Ramirez-Gaona, Ana Marcu, Allison Pon, Jason Grant, Anthony Wu, David S Wishart
PathWhiz is a web server built to facilitate the creation of colorful, interactive, visually pleasing pathway diagrams that are rich in biological information. The pathways generated by this online application are machine-readable and fully compatible with essentially all web-browsers and computer operating systems. It uses a specially developed, web-enabled pathway drawing interface that permits the selection and placement of different combinations of pre-drawn biological or biochemical entities to depict reactions, interactions, transport processes and binding events...
February 8, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28250343/evaluating-the-properties-of-poly-lactic-co-glycolic-acid-nanoparticle-formulations-encapsulating-a-hydrophobic-drug-by-using-the-quality-by-design-approach
#5
Masato Kozaki, Shin-Ichiro Kobayashi, Yukihiro Goda, Haruhiro Okuda, Kumiko Sakai-Kato
We applied the Quality by Design (QbD) approach to the development of poly(lactic-co-glycolic acid) (PLGA) nanoparticle formulations encapsulating triamcinolone acetonide, and the critical process parameters (CPPs) were identified to clarify the correlations between critical quality attributes and CPPs. Quality risk management was performed by using an Ishikawa diagram and experiments with a fractional factorial design (ANOVA). The CPPs for particle size were PLGA concentration and rotation speed, and the CPP for relative drug loading efficiency was the poor solvent to good solvent volume ratio...
2017: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28196576/care-coordination-from-a-strengths-perspective-a-practice-based-evidence-evaluation-of-evidence-based-practice
#6
Karen A Monsen, Catherine E Vanderboom, Kirstie S Olson, Mary E Larson, Diane E Holland
BACKGROUND AND PURPOSE: It is critical to accurately represent strengths interventions to improve data and enable intervention effectiveness research from a strengths perspective. However, it is challenging to understand strengths interventions from the multiple perspectives of computerized knowledge representation, evidence-based practice guidelines, and practice-based evidence narratives. Intervention phrases abstracted from nurse care coordinator practice narratives described strengths interventions with community-dwelling elders...
February 1, 2017: Research and Theory for Nursing Practice
https://www.readbyqxmd.com/read/28186915/a-novel-variable-precision-reduction-approach-to-comprehensive-knowledge-systems
#7
Chao Yang, Hongbo Liu, Sean McLoone, C L Philip Chen, Xindong Wu
A comprehensive knowledge system reveals the intangible insights hidden in an information system by integrating information from multiple data sources in a synthetical manner. In this paper, we present a variable precision reduction theory, underpinned by two new concepts: 1) distribution tables and 2) genealogical binary trees. Sufficient and necessary conditions to extract comprehensive knowledge from a given information system are also presented and proven. A complete variable precision reduction algorithm is proposed, in which we introduce four important strategies, namely, distribution table abstracting, attribute rank dynamic updating, hierarchical binary classifying, and genealogical tree pruning...
February 8, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28152841/evaluating-data-driven-breast-surgery-treatment-path-visualizations-from-registry-and-administrative-data
#8
Alexander S Taylor, Mia Alyce Levy
195 Background: Breast cancer patients face difficult decisions about their surgical care without a full understanding of their options. The learning health system goal is to use information from the care of prior patients to inform the care of future patients. We aim to apply this concept to generate data-driven surgical paths, develop interactive path visualizations to inform patients, and evaluate their impact. METHODS: We used cancer registry and administrative CPT codes for women diagnosed with stage 0-III breast cancer between FY2010-14 at a comprehensive cancer center...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28035814/sbml-diff-a-tool-for-visually-comparing-sbml-models-in-synthetic-biology
#9
James Scott-Brown, Antonis Papachristodoulou
We present sbml-diff, a tool that is able to read a model of a biochemical reaction network in SBML format and produce a range of diagrams showing different levels of detail. Each diagram type can be used to visualize a single model or to visually compare two or more models. The default view depicts species as ellipses, reactions as rectangles, rules as parallelograms, and events as diamonds. A cartoon view replaces the symbols used for reactions on the basis of the associated Systems Biology Ontology terms...
January 25, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/27956095/real-time-visualization-of-the-precipitation-and-phase-behavior-of-octaethylporphyrin-in-lipid-microparticles
#10
Elisa Parra, Pablo Hervella, David Needham
The material properties of micro- and nanoparticles are fundamental for their bulk properties in suspension, like their stability and encapsulation efficiency. A particularly interesting system with potential biomedical applications is the encapsulation of hydrophobic porphyrins into lipid particles and their use as metal atom chelators, where retention and stability are keys for the design process. The overall goal here was to study the solubility, phase behavior, and mixing of octaethylporphyrin (OEP) and OEP-Cu chelates with 2 core materials, triolein (TO) and cholesteryl acetate, as single microparticles...
December 9, 2016: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27893370/network-visualization-as-a-higher-order-visual-analysis-tool
#11
Tim Dwyer
The transformation of data into visuals that are as effective and engaging as possible for compelling presentation is an emerging topic in information visualization research. With this goal in mind, several data-analysis system approaches offer a higher-order network visualization that map insights rather than raw data. Knowledge visualization or externalization in the form of small, focused diagrams can communicate insights as well as help analysts structure their reasoning process.
November 2016: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/27878315/a-plasmonic-elisa-for-the-naked-eye-detection-of-chromium-ions-in-water-samples
#12
Cuize Yao, Shiting Yu, Xiuqing Li, Ze Wu, Jiajie Liang, Qiangqiang Fu, Wei Xiao, Tianjiu Jiang, Yong Tang
Here, we describe the development of a triangular silver nanoprism (AgNPR) etching-based plasmonic ELISA for the colorimetric determination of Cr(III) levels in environmental water samples. This involved the creation of a novel signal generation system (substrate reaction solution) for a competitive ELISA in which hydrogen peroxide (H2O2) is used to etch triangular AgNPRs, inducing a change in color. This is achieved by controlling the H2O2 concentration that remains after degradation by catalase, which is conjugated to the secondary antibody of the ELISA...
November 22, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27875142/visflow-web-based-visualization-framework-for-tabular-data-with-a-subset-flow-model
#13
Bowen Yu, Claudio T Silva
Data flow systems allow the user to design a flow diagram that specifies the relations between system components which process, filter or visually present the data. Visualization systems may benefit from user-defined data flows as an analysis typically consists of rendering multiple plots on demand and performing different types of interactive queries across coordinated views. In this paper, we propose VisFlow, a web-based visualization framework for tabular data that employs a specific type of data flow model called the subset flow model...
January 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/27849543/a-benchmark-dataset-for-ssvep-based-brain-computer-interfaces
#14
Yijun Wang, Xiaogang Chen, Xiaorong Gao, Shangkai Gao
This paper presents a benchmark steady-state visual evoked potential (SSVEP) dataset acquired with a 40-target brain-computer interface (BCI) speller. The dataset consists of 64-channel Electroencephalogram (EEG) data from 35 healthy subjects (8 experienced and 27 naïve) while they performed a cue-guided target selecting task. The virtual keyboard of the speller was composed of 40 visual flickers, which were coded using a joint frequency and phase modulation (JFPM) approach. The stimulation frequencies ranged from 8Hz to 15...
November 10, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/27788224/quantifying-a-systems-map-network-analysis-of-a-childhood-obesity-causal-loop-diagram
#15
Jaimie McGlashan, Michael Johnstone, Doug Creighton, Kayla de la Haye, Steven Allender
Causal loop diagrams developed by groups capture a shared understanding of complex problems and provide a visual tool to guide interventions. This paper explores the application of network analytic methods as a new way to gain quantitative insight into the structure of an obesity causal loop diagram to inform intervention design. Identification of the structural features of causal loop diagrams is likely to provide new insights into the emergent properties of complex systems and analysing central drivers has the potential to identify leverage points...
2016: PloS One
https://www.readbyqxmd.com/read/27757231/emergency-department-crowding-in-singapore-insights-from-a-systems-thinking-approach
#16
Lukas K Schoenenberger, Steffen Bayer, John P Ansah, David B Matchar, Rajagopal L Mohanavalli, Sean Sw Lam, Marcus Eh Ong
OBJECTIVES: Emergency Department crowding is a serious and international health care problem that seems to be resistant to most well intended but often reductionist policy approaches. In this study, we examine Emergency Department crowding in Singapore from a systems thinking perspective using causal loop diagramming to visualize the systemic structure underlying this complex phenomenon. Furthermore, we evaluate the relative impact of three different policies in reducing Emergency Department crowding in Singapore: introduction of geriatric emergency medicine, expansion of emergency medicine training, and implementation of enhanced primary care...
2016: SAGE Open Medicine
https://www.readbyqxmd.com/read/27728826/self-assembly-of-oppositely-charged-latex-particles-at-oil-water-interface
#17
Trivikram Nallamilli, Srikanth Ragothaman, Madivala G Basavaraj
In this study we explore the self assembly of oppositely charged latex particles at decane water interfaces. Two spreading protocols have been proposed in this context. In the first method oppositely charged particles are mixed prior to spreading at the interface, this is called "premixed-mixtures". In the second protocol negatively charged particles are first spread at the interface at known coverage followed by spreading positively charged particles at known coverage and this is called "sequential-mixtures"...
January 15, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27724852/describing-complex-clinical-scenarios-at-the-bed-side-is-a-systems-science-approach-useful-exploring-a-novel-diagrammatic-approach-to-facilitate-clinical-reasoning
#18
Saroj Jayasinghe
Clinicians often encounter patients having complex clinical scenarios (CCS) where diverse and dynamic diagnostic and therapeutic issues interact. A limited range of bedside methods are available to describe such patients and most often it is a diagnostic summary, a problem list, or a list of differential diagnoses. These methods fail to portray the interconnected nature of CCCs. They prevent visualization of a system of networks or a web of causation operative in CCSs.A more holistic conceptualization is required and the author argues for an approach based on systems science...
October 10, 2016: BMC Medical Education
https://www.readbyqxmd.com/read/27658590/impact-of-irrigation-extension-on-malaria-transmission-in-simret-tigray-ethiopia
#19
Bonhee Chung
Poor subsistence farmers who live in a semi-arid area of northern Ethiopia build irrigation systems to overcome water shortages. However, there is a high risk of malaria transmission when increased standing water provides more favorable habitats for mosquito breeding. This is a serious problem because there are many barriers to malaria control measures and health care systems in the area. Using a causal loop diagram and computer simulations, the author attempted to visually illustrate positive and negative feedbacks between mosquito and human populations in the context of Simret, which is a small village located in northern Ethiopia and is generally considered a malaria-free area...
August 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/27499092/design-and-characteristics-evaluation-of-a-novel-teleoperated-robotic-catheterization-system-with-force-feedback-for-vascular-interventional-surgery
#20
Jian Guo, Shuxiang Guo, Yang Yu
In this paper, we proposed a novel master-slave robotic catheterization system with force feedback for VIS (Vascular Interventional Surgery). The force feedback to the operator on the master side is the key factor to improve the safety during VIS. The developed system used the MR (magneto rheological) fluid to realize force feedback, and it used the developed multidimensional monitoring interface to realize the visualization of force feedback, the developed multidimensional monitoring interface can monitor the motion information of the catheter and contact force between catheter tip or side wall and blood vessel wall, and the motion data of the catheter was collected and generated diagram for reference to surgeon...
October 2016: Biomedical Microdevices
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