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Visualization and System Diagrams

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"...
October 4, 2016: Journal of Colloid and Interface Science
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
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
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
Boya Li, Huixia Yang, Yumei Wei, Rina Su, Chen Wang, Wenying Meng, Yongqing Wang, Lixin Shang, Zhenyu Cai, Liping Ji, Yunfeng Wang, Ying Sun, Jiaxiu Liu, Li Wei, Yufeng Sun, Xueying Zhang, Tianxia Luo, Haixia Chen, Lijun Yu
OBJECTIVE: To use Z-scores to compare different charts of femur length (FL) applied to our population with the aim of identifying the most appropriate chart. METHODS: A retrospective study was conducted in Beijing. Fifteen hospitals in Beijing were chosen as clusters using a systemic cluster sampling method, in which 15,194 pregnant women delivered from June 20th to November 30th, 2013. The measurements of FL in the second and third trimester were recorded, as well as the last measurement obtained before delivery...
2016: PloS One
Kyukwang Kim, Hyeong Keun Kim, Hwijoon Lim, Hyun Myung
In this research an open source, low power sensor node was developed to check the growth of mycobacteria in a culture bottle with a nitrate reductase assay method for a drug susceptibility test. The sensor system reports the temperature and color sensor output frequency change of the culture bottle when the device is triggered. After the culture process is finished, a nitrite ion detecting solution based on a commercial nitrite ion detection kit is injected into the culture bottle by a syringe pump to check bacterial growth by the formation of a pigment by the reaction between the solution and the color sensor...
2016: Sensors
Ben C Nolting, Karen C Abbott
When a system has more than one stable state, how can the stability of these states be compared? This deceptively simple question has important consequences for ecosystems, because systems with alternative stable states can undergo dramatic regime shifts. The probability, frequency, duration, and dynamics of these shifts will all depend on the relative stability of the stable states. Unfortunately, the concept of "stability" in ecology has suffered from substantial confusion and this is particularly problematic for systems where stochastic perturbations can cause shifts between coexisting alternative stable states...
April 2016: Ecology
Cord Spreckelsen, Klaus Kabino
BACKGROUND: Gaining overview on a biomedical field of research becomes challenging due to the increasing amount of publications. Computer-supported discourse analysis based on bibliometric data could help scientists to identify focal points and trends. OBJECTIVES: The project aimed at implementing an automatic processing pipeline starting from a PubMed query and leading to a suitable visualization of the thematic evolution of a domain fostering meaningful interpretation...
2016: Studies in Health Technology and Informatics
Natáli Valim Oliver Bento-Torres, Anderson Raiol Rodrigues, Maria Izabel Tentes Côrtes, Daniela Maria de Oliveira Bonci, Dora Fix Ventura, Luiz Carlos de Lima Silveira
We have used the Farnsworth-Munsell 100-hue (FM 100) test and Mollon-Reffin (MR) test to evaluate the colour vision of 93 subjects, 30.4 ± 9.7 years old, who had red-green congenital colour vision deficiencies. All subjects lived in Belém (State of Pará, Brazil) and were selected by the State of Pará Traffic Department. Selection criteria comprised the absence of visual dysfunctions other than Daltonism and no history of systemic diseases that could impair the visual system performance. Results from colour vision deficient were compared with those from 127 normal trichromats, 29...
2016: PloS One
João V Fontana, Hermes Gadêlha, José A Miranda
Elastic fingering supplements the already interesting features of the traditional viscous fingering phenomena in Hele-Shaw cells with the consideration that the two-fluid separating boundary behaves like an elastic membrane. Sophisticated numerical simulations have shown that under maximum viscosity contrast the resulting patterned shapes can exhibit either finger tip-splitting or side-branching events. In this work, we employ a perturbative mode-coupling scheme to get important insights into the onset of these pattern formation processes...
March 2016: Physical Review. E
N Li, D D Li, Y Z Zhang, Y Z Yuan, H Geng, L Xiong, D L Liu
Lipase-producing bacteria are naturally-occurring, industrially-relevant microorganisms that produce lipases, which can be used to synthesize biodiesel from waste oils. The efficiency of lipase expression varies between various microbial strains. Therefore, strains that can produce lipases with high efficiency must be screened, and the conditions of lipase metabolism and optimization of the production process in a given environment must be thoroughly studied. A high efficiency lipase-producing strain was isolated from the sediments of Jinsha River, identified by 16S rRNA sequence analysis as Serratia marcescens, and designated as HS-L5...
2016: Genetics and Molecular Research: GMR
Casey M Schneider-Mizell, Stephan Gerhard, Mark Longair, Tom Kazimiers, Feng Li, Maarten F Zwart, Andrew Champion, Frank M Midgley, Richard D Fetter, Stephan Saalfeld, Albert Cardona
Neuronal circuit mapping using electron microscopy demands laborious proofreading or reconciliation of multiple independent reconstructions. Here, we describe new methods to apply quantitative arbor and network context to iteratively proofread and reconstruct circuits and create anatomically enriched wiring diagrams. We measured the morphological underpinnings of connectivity in new and existing reconstructions of Drosophila sensorimotor (larva) and visual (adult) systems. Synaptic inputs were preferentially located on numerous small, microtubule-free 'twigs' which branch off a single microtubule-containing 'backbone'...
2016: ELife
Christian T Herbst, Jakob Unger, Hanspeter Herzel, Jan G Švec, Jörg Lohscheller
INTRODUCTION: In a recent publication, the phasegram, a bifurcation diagram over time, has been introduced as an intuitive visualization tool for assessing the vibratory states of oscillating systems. Here, this nonlinear dynamics approach is augmented with quantitative analysis parameters, and it is applied to clinical laryngeal high-speed video (HSV) endoscopic recordings of healthy and pathological phonations. METHODS: HSV data from a total of 73 females diagnosed as healthy (n = 42), or with functional dysphonia (n = 15) or with unilateral vocal fold paralysis (n = 16), were quantitatively analyzed...
February 12, 2016: Journal of Voice: Official Journal of the Voice Foundation
Peter W Henderson, Wilmina Landford, Jason Gardenier, David M Otterburn, Christine H Rohde, Jason A Spector
Background Communication, particularly transmission of information between the surgical and nursing teams, has been identified as one of the most crucial determinants of patient outcomes. Nonetheless, transfer of information among and between the physician and nursing teams in the immediate postoperative period is often informal, verbal, and inconsistent. Methods An iterative process of multidisciplinary information gathering was undertaken to create a novel postoperative communication system (the "Pop-form")...
July 2016: Journal of Reconstructive Microsurgery
Apurva S More, Vishal M Toprani, Solomon Z Okbazghi, Jae H Kim, Sangeeta B Joshi, C Russell Middaugh, Thomas J Tolbert, David B Volkin
As part of a series of articles in this special issue describing 4 well-defined IgG1-Fc glycoforms as a model system for biosimilarity analysis (high mannose-Fc, Man5-Fc, GlcNAc-Fc and N297Q-Fc aglycosylated), the focus of this work is comparisons of their physical properties. A trend of decreasing apparent solubility (thermodynamic activity) by polyethylene glycol precipitation (pH 4.5, 6.0) and lower conformational stability by differential scanning calorimetry (pH 4.5) was observed with reducing size of the N297-linked oligosaccharide structures...
February 2016: Journal of Pharmaceutical Sciences
Shahin Nasr, Jonathan R Polimeni, Roger B H Tootell
UNLABELLED: In nonhuman primates (NHPs), secondary visual cortex (V2) is composed of repeating columnar stripes, which are evident in histological variations of cytochrome oxidase (CO) levels. Distinctive "thin" and "thick" stripes of dark CO staining reportedly respond selectively to stimulus variations in color and binocular disparity, respectively. Here, we first tested whether similar color-selective or disparity-selective stripes exist in human V2. If so, available evidence predicts that such stripes should (1) radiate "outward" from the V1-V2 border, (2) interdigitate, (3) differ from each other in both thickness and length, (4) be spaced ∼3...
February 10, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Alexey Moskalev, Svetlana Zhikrivetskaya, Mikhail Shaposhnikov, Evgenia Dobrovolskaya, Roman Gurinovich, Oleg Kuryan, Aleksandr Pashuk, Leslie C Jellen, Alex Aliper, Alex Peregudov, Alex Zhavoronkov
Aging research is a multi-disciplinary field encompassing knowledge from many areas of basic, applied and clinical research. Age-related processes occur on molecular, cellular, tissue, organ, system, organismal and even psychological levels, trigger the onset of multiple debilitating diseases and lead to a loss of function, and there is a need for a unified knowledge repository designed to track, analyze and visualize the cause and effect relationships and interactions between the many elements and processes on all levels...
January 4, 2016: Nucleic Acids Research
Hoon-Gi Kim, Byung-Cheon Lee, Ki-Bog Lee
In the 1960s, through studies on Korean Medicine, Bonghan Kim proposed the Bonghan systems (BS) as the anatomical reality of the acupuncture meridians based on various experimental data. Since 2002, several groups, mainly led by a team at Seoul National University, who renamed the BS as the primo vascular system (PVS), have published around 70 papers showing biological structures corresponding to the BS. However, it is still difficult for other researchers to find them, especially under the skin, which Bonghan Kim first reported as acupuncture points, due to similar-looking biological tissues, for example, the lymphatic vessels, and such artifacts as blood clots or fascia debris...
2015: Evidence-based Complementary and Alternative Medicine: ECAM
Ali K Ai-Awami, Johanna Beyer, Daniel Haehn, Narayanan Kasthuri, Jeff W Lichtman, Hanspeter Pfister, Markus Hadwiger
In the field of connectomics, neuroscientists acquire electron microscopy volumes at nanometer resolution in order to reconstruct a detailed wiring diagram of the neurons in the brain. The resulting image volumes, which often are hundreds of terabytes in size, need to be segmented to identify cell boundaries, synapses, and important cell organelles. However, the segmentation process of a single volume is very complex, time-intensive, and usually performed using a diverse set of tools and many users. To tackle the associated challenges, this paper presents NeuroBlocks, which is a novel visualization system for tracking the state, progress, and evolution of very large volumetric segmentation data in neuroscience...
January 2016: IEEE Transactions on Visualization and Computer Graphics
Sujin Jang, Niklas Elmqvist, Karthik Ramani
Pattern analysis of human motions, which is useful in many research areas, requires understanding and comparison of different styles of motion patterns. However, working with human motion tracking data to support such analysis poses great challenges. In this paper, we propose MotionFlow, a visual analytics system that provides an effective overview of various motion patterns based on an interactive flow visualization. This visualization formulates a motion sequence as transitions between static poses, and aggregates these sequences into a tree diagram to construct a set of motion patterns...
January 2016: IEEE Transactions on Visualization and Computer Graphics
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