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https://www.readbyqxmd.com/read/27926854/structural-characterization-and-statistical-mechanical-model-of-epidermal-patterns
#1
Duyu Chen, Wen Yih Aw, Danelle Devenport, Salvatore Torquato
In proliferating epithelia of mammalian skin, cells of irregular polygon-like shapes pack into complex, nearly flat two-dimensional structures that are pliable to deformations. In this work, we employ various sensitive correlation functions to quantitatively characterize structural features of evolving packings of epithelial cells across length scales in mouse skin. We find that the pair statistics in direct space (correlation function) and Fourier space (structure factor) of the cell centroids in the early stages of embryonic development show structural directional dependence (statistical anisotropy), which is a reflection of the fact that cells are stretched, which promotes uniaxial growth along the epithelial plane...
December 6, 2016: Biophysical Journal
https://www.readbyqxmd.com/read/27926380/out-of-hours-workload-management-bayesian-inference-for-decision-support-in-secondary-care
#2
Iker Perez, Michael Brown, James Pinchin, Sarah Martindale, Sarah Sharples, Dominick Shaw, John Blakey
OBJECTIVE: In this paper, we aim to evaluate the use of electronic technologies in out of hours (OoH) task-management for assisting the design of effective support systems in health care; targeting local facilities, wards or specific working groups. In addition, we seek to draw and validate conclusions with relevance to a frequently revised service, subject to increasing pressures. METHODS AND MATERIAL: We have analysed 4 years of digitised demand-data extracted from a recently deployed electronic task-management system, within the Hospital at Night setting in two jointly coordinated hospitals in the United Kingdom...
October 2016: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/27925869/endovascular-management-of-infected-iliofemoral-pseudoaneurysms-a-systematic-review
#3
Konstantinos G Moulakakis, Vangelis G Alexiou, George S Sfyroeras, John Kakisis, Andreas Lazaris, Spyridon N Vasdekis, Elias N Brountzos, George Geroulakos
We conducted a systematic review regarding the efficacy and outcome of endovascular treatment of infected iliofemoral arterial pseudoaneurysms with covered stents. 35 cases were identified, including 5 own. 22 pseudoaneurysms were located in the femoral area and 13 in the iliac vessels. The most commonly reported complaints were pulsatile groin mass (40 %), sepsis (37.1 %), active bleeding (31.4 %), and groin infection with purulent discharge (17.1 %). S. aureus (65.7 %) and Streptococcus species (22.9 %) were the most common microbes isolated...
December 7, 2016: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/27925600/cooperative-robots-to-observe-moving-targets-review
#4
Asif Khan, Bernhard Rinner, Andrea Cavallaro
The deployment of multiple robots for achieving a common goal helps to improve the performance, efficiency, and/or robustness in a variety of tasks. In particular, the observation of moving targets is an important multirobot application that still exhibits numerous open challenges, including the effective coordination of the robots. This paper reviews control techniques for cooperative mobile robots monitoring multiple targets. The simultaneous movement of robots and targets makes this problem particularly interesting, and our review systematically addresses this cooperative multirobot problem for the first time...
December 1, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/27925378/investigating-the-potential-of-single-walled-aluminosilicate-nanotubes-in-water-desalination
#5
Kai-Hsin Liou, Dun-Yen Kang, Li-Chiang Lin
Water shortage has become a critical issue. To facilitate the large-scale deployment of reverse-osmosis water desalination to produce fresh water, discovering novel membranes is essential. Here, we computationally demonstrate the great potential of single-walled aluminosilicate nanotubes (AlSiNTs), materials that can be synthesized through scalable methods, in desalination. State-of-the-art molecular dynamics simulations were employed to investigate the desalination performance and structure-performance relationship of AlSiNTs...
November 4, 2016: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/27924337/allosteric-effects-of-gold-nanoparticles-on-human-serum-albumin
#6
Qing Shao, Carol K Hall
The ability of nanoparticles to alter protein structure and dynamics plays an important role in their medical and biological applications. We investigate allosteric effects of gold nanoparticles on human serum albumin protein using molecular simulations. The extent to which bound nanoparticles influence the structure and dynamics of residues distant from the binding site is analyzed. The root mean square deviation, root mean square fluctuation and variation in the secondary structure of individual residues on a human serum albumin protein are calculated for four protein-gold nanoparticle binding complexes...
December 7, 2016: Nanoscale
https://www.readbyqxmd.com/read/27924017/a-genome-integrated-massively-parallel-reporter-assay-reveals-dna-sequence-determinants-of-cis-regulatory-activity-in-neural-cells
#7
Brett B Maricque, Joseph D Dougherty, Barak A Cohen
Recent large-scale genomics efforts to characterize the cis-regulatory sequences that orchestrate genome-wide expression patterns have produced impressive catalogues of putative regulatory elements. Most of these sequences have not been functionally tested, and our limited understanding of the non-coding genome prevents us from predicting which sequences are bona fide cis-regulatory elements. Recently, massively parallel reporter assays (MPRAs) have been deployed to measure the activity of putative cis-regulatory sequences in several biological contexts, each with specific advantages and distinct limitations...
October 23, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27923641/expanded-pharmacy-technician-roles-accepting-verbal-prescriptions-and-communicating-prescription-transfers
#8
Timothy P Frost, Alex J Adams
As the role of the clinical pharmacist continues to develop and advance, it is critical to ensure pharmacists can operate in a practice environment and workflow that supports the full deployment of their clinical skills. When pharmacy technician roles are optimized, patient safety can be enhanced and pharmacists may dedicate more time to advanced clinical services. Currently, 17 states allow technicians to accept verbal prescriptions called in by a prescriber or prescriber's agent, or transfer a prescription order from one pharmacy to another...
November 29, 2016: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/27923007/health-communication-and-the-hiv-continuum-of-care
#9
Sten H Vermund, Elizabeth C Mallalieu, Lynn M Van Lith, Helen E Struthers
Health communication is a broad term that applies to the fundamental need for practitioners, policy makers, patients, and community members to understand one another around health promotion and health care issues. Whether in a consultation between nurse and patient, a health clinic director's engagement with the health ministry, or a community campaign for encouraging HIV testing, all have critical health communication elements. When people's needs are not perceived by them to be addressed or clients/patients do not understand what is being communicated, they are unmotivated to engage...
January 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27922659/eye-movement-analysis-and-cognitive-assessment-the-use-of-comparative-visual-search-tasks-in-a-non-immersive-vr-application
#10
Pedro J Rosa, Pedro Gamito, Jorge Oliveira, Diogo Morais, Matthew Pavlovic, Olivia Smyth, Inês Maia, Tiago Gomes
BACKGROUND: An adequate behavioral response depends on attentional and mnesic processes. When these basic cognitive functions are impaired, the use of non-immersive Virtual Reality Applications (VRAs) can be a reliable technique for assessing the level of impairment. However, most non-immersive VRAs use indirect measures to make inferences about visual attention and mnesic processes (e.g., time to task completion, error rate). OBJECTIVES: To examine whether the eye movement analysis through eye tracking (ET) can be a reliable method to probe more effectively where and how attention is deployed and how it is linked with visual working memory during comparative visual search tasks (CVSTs) in non-immersive VRAs...
December 6, 2016: Methods of Information in Medicine
https://www.readbyqxmd.com/read/27922592/distributed-solar-photovoltaic-array-location-and-extent-dataset-for-remote-sensing-object-identification
#11
Kyle Bradbury, Raghav Saboo, Timothy L Johnson, Jordan M Malof, Arjun Devarajan, Wuming Zhang, Leslie M Collins, Richard G Newell
Earth-observing remote sensing data, including aerial photography and satellite imagery, offer a snapshot of the world from which we can learn about the state of natural resources and the built environment. The components of energy systems that are visible from above can be automatically assessed with these remote sensing data when processed with machine learning methods. Here, we focus on the information gap in distributed solar photovoltaic (PV) arrays, of which there is limited public data on solar PV deployments at small geographic scales...
December 6, 2016: Scientific Data
https://www.readbyqxmd.com/read/27921152/proximal-occlusion-of-medium-sized-vessels-with-the-penumbra-occlusion-device-a-study-of-safety-and-efficacy
#12
E Jambon, F Petitpierre, V Brizzi, V Dubuisson, Y Le Bras, N Grenier, F Cornelis
PURPOSE: To retrospectively investigate the safety and efficacy of hybrid proximal coiling of various medium-sized vessels (4 to 8 mm) using the Penumbra Occlusion Device (POD). MATERIALS AND METHODS: From October 2014 to February 2016, 37 proximal embolizations were performed with PODs in 36 patients (mean age: 50.8, range: 10-86; 29 male, 7 female). Vessel occlusions were achieved under fluoroscopic guidance using a 2.7 French microcatheter. Among the 36 vessels targeted, 16 were splenic arteries, 11 renal arteries, 4 mesenteric arteries, 3 arteriovenous fistulae, 1 iliac artery, and 1 gonadal vein...
December 5, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27920780/genome-enabled-prediction-models-for-yield-related-traits-in-chickpea
#13
Manish Roorkiwal, Abhishek Rathore, Roma R Das, Muneendra K Singh, Ankit Jain, Samineni Srinivasan, Pooran M Gaur, Bharadwaj Chellapilla, Shailesh Tripathi, Yongle Li, John M Hickey, Aaron Lorenz, Tim Sutton, Jose Crossa, Jean-Luc Jannink, Rajeev K Varshney
Genomic selection (GS) unlike marker-assisted backcrossing (MABC) predicts breeding values of lines using genome-wide marker profiling and allows selection of lines prior to field-phenotyping, thereby shortening the breeding cycle. A collection of 320 elite breeding lines was selected and phenotyped extensively for yield and yield related traits at two different locations (Delhi and Patancheru, India) during the crop seasons 2011-12 and 2012-13 under rainfed and irrigated conditions. In parallel, these lines were also genotyped using DArTseq platform to generate genotyping data for 3000 polymorphic markers...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27920496/fabrication-of-anti-vitiligo-ointment-containing-psoralea-corylifolia-in-vitro-and-in-vivo-characterization
#14
Irshad Hussain, Nisar Hussain, Abdul Manan, Abdur Rashid, Barkat Khan, Sattar Bakhsh
BACKGROUND: Vitiligo is a repugnant and odious dermatological malady of the time. It has an detrimental impact on the pigmentation of the human skin as a result of the destruction of cutaneous melanocytes. It affects 1%-2% of the population worldwide. Different therapeutic regimens have been deployed to treat vitiligo, but none of them could stand alone to be stated as a perfect cure. Recently, a change has been observed through novel experimental-designed optimization leading to the development of an anti-vitiligo ointment containing Psoralea corylifolia (PC) seed powder...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27920476/self-expanding-metal-stents-for-the-palliation-of-malignant-gastric-outlet-obstruction-in-patients-with-peritoneal-carcinomatosis
#15
Christoph Rademacher, Matthias Bechtler, Steffen Schneider, Bettina Hartmann, Johannes Striegel, Ralf Jakobs
AIM: To evaluate the efficacy of self-expanding metal stents (SEMS) for the palliation of malignant gastric outlet obstruction in patients with and without peritoneal carcinomatosis (PC). METHODS: We performed a retrospective analysis of 62 patients who underwent SEMS placement for treatment of malignant gastroduodenal obstruction at our hospital over a six-year period. Stents were deployed through the scope under combined fluoroscopic and endoscopic guidance. Technical success was defined as successful stent placement and expansion...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27920443/polymer-matrix-nanocomposites-for-automotive-structural-components
#16
Amit K Naskar, Jong K Keum, Raymond G Boeman
Over the past several decades, the automotive industry has expended significant effort to develop lightweight parts from new easy-to-process polymeric nanocomposites. These materials have been particularly attractive because they can increase fuel efficiency and reduce greenhouse gas emissions. However, attempts to reinforce soft matrices by nanoscale reinforcing agents at commercially deployable scales have been only sporadically successful to date. This situation is due primarily to the lack of fundamental understanding of how multiscale interfacial interactions and the resultant structures affect the properties of polymer nanocomposites...
December 6, 2016: Nature Nanotechnology
https://www.readbyqxmd.com/read/27920207/vascular-angular-remodeling-by-kissing-y-stenting-in-wide-necked-intracranial-bifurcation-aneurysms
#17
Katharina Melber, Dan Meila, Philipp Draheim, Dominik Grieb, Björn Greling, Martin Schlunz-Hendann, Friedhelm Brassel
INTRODUCTION: Single stent deployment leads to a change in vascular geometry in wide necked bifurcation aneurysms. In some complex cases, the use of the single stent technique might not be sufficient or may not be feasible. The kissing-Y stenting technique appears to be an alternative endovascular treatment option. The aim of this study was to evaluate the effects of the kissing-Y stenting technique on vascular angular remodeling. METHODS: 21 patients with wide necked intracranial bifurcation aneurysms at different sites (10 anterior communicating artery, 6 middle cerebral artery, 3 basilar artery, 1 vertebral artery/posterior inferior cerebellar artery, 1 internal carotid artery/posterior communicating artery) were treated with 44 closed cell stents (follow-up 2012-2016) using the kissing-Y stenting technique...
December 5, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27920180/whole-inactivated-and-virus-like-particle-vaccine-strategies-for-chikungunya-virus
#18
Adam D DeZure, Nina M Berkowitz, Barney S Graham, Julie E Ledgerwood
Chikungunya virus (CHIKV) is a global public health threat, having been identified in >60 countries in Asia, Africa, Europe, and the Americas. There is no cure for or licensed vaccine against CHIKV infection. Initial attempts at CHIKV vaccine development began in the early 1960s. Whole-inactivated and virus-like particle (VLP) vaccines are 2 of the current approaches being evaluated. Success of these approaches is dependent on a safe, well-tolerated vaccine that is immunogenic and deployable in regard to manufacturing, stability, and delivery characteristics...
December 15, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27919853/endoscopic-bilateral-stent-in-stent-placement-for-malignant-hilar-obstruction-using-a-large-cell-type-stent
#19
Jin Myung Park, Sang Hyub Lee, Kwang Hyun Chung, Dong Kee Jang, Ji Kon Ryu, Yong-Tae Kim, Jae Min Lee, Woo Hyun Paik
BACKGROUND: Bilateral stent-in-stent (SIS) self-expandable metal stent placement is technically challenging for palliation of unresectable malignant hilar obstruction. In the SIS technique, the uniform large cell type biliary stent facilitates contralateral stent deployment through the mesh of the first metallic stent. This study aimed to assess the technical success and clinical effectiveness of this technique with a uniform large cell type biliary stent. METHODS: Thirty-one patients who underwent bilateral SIS placement using a large cell type stent were reviewed retrospectively...
December 2016: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/27919386/donor-s-support-tool-enabling-informed-secondary-use-of-patient-s-biomaterial-and-personal-data
#20
Haridimos Kondylakis, Lefteris Koumakis, Stephanie Hänold, Iheanyi Nwankwo, Nikolaus Forgó, Kostas Marias, Manolis Tsiknakis, Norbert Graf
PURPOSE: Biomedical research is being catalyzed by the vast amount of data rapidly collected through the application of information technologies (IT). Despite IT advances, the methods for involving patients and citizens in biomedical research remain static, paper-based and organized around national boundaries and anachronistic legal frameworks. The purpose of this paper is to study the current practices for obtaining consent for biobanking and the legal requirements for reusing the available biomaterial and data in EU and finally to present a novel tool to this direction enabling the secondary use of data and biomaterial...
January 2017: International Journal of Medical Informatics
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