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David M Williams, Malte C Ebach
No abstract text is available yet for this article.
October 20, 2016: Systematic Biology
Camilla Hardeland, Kjetil Sunde, Helge Ramsdal, Susan R Hebbert, Linda Soilammi, Fredrik Westmark, Fredrik Nordum, Andreas E Hansen, Jon E Steen-Hansen, Theresa M Olasveengen
AIM: Explore, understand and address issues that impact upon timely and adequate allocation of prehospital medical assistance and resources to out-of-hospital cardiac arrest (OHCA) patients. METHODS: Mixed-methods: design obtaining data for one year in three emergency medical communication centres (EMCC); Oslo-Akershus (OA), Vestfold-Telemark (VT) and Østfold (Ø). Data collection included quantitative data from analysis of dispatch logs, ambulance records and audio files...
October 18, 2016: Resuscitation
Philipp Leinen, Matthew F B Green, Taner Esat, Christian Wagner, F Stefan Tautz, Ruslan Temirov
Considering organic molecules as the functional building blocks of future nanoscale technology, the question of how to arrange and assemble such building blocks in a bottom-up approach is still open. The scanning probe microscope (SPM) could be a tool of choice; however, SPM-based manipulation was until recently limited to two dimensions (2D). Binding the SPM tip to a molecule at a well-defined position opens an opportunity of controlled manipulation in 3D space. Unfortunately, 3D manipulation is largely incompatible with the typical 2D-paradigm of viewing and generating SPM data on a computer...
October 2, 2016: Journal of Visualized Experiments: JoVE
Francesca Bomboi, Flavio Romano, Manuela Leo, Javier Fernandez-Castanon, Roberto Cerbino, Tommaso Bellini, Federico Bordi, Patrizia Filetici, Francesco Sciortino
DNA is acquiring a primary role in material development, self-assembling by design into complex supramolecular aggregates, the building block of a new-materials world. Using DNA nanoconstructs to translate sophisticated theoretical intuitions into experimental realizations by closely matching idealized models of colloidal particles is a much less explored avenue. Here we experimentally show that an appropriate selection of competing interactions enciphered in multiple DNA sequences results into the successful design of a one-pot DNA hydrogel that melts both on heating and on cooling...
October 21, 2016: Nature Communications
Yongsheng Bai, Lizhong Ding, Steve Baker, Jenny M Bai, Ethan Rath, Feng Jiang, Jianghong Wu, Hui Jiang, Gary Stuart
BACKGROUND: MicroRNAs (miRNA) are short nucleotides that interact with their target genes through 3' untranslated regions (UTRs). The Cancer Genome Atlas (TCGA) harbors an increasing amount of cancer genome data for both tumor and normal samples. However, there are few visualization tools focusing on concurrently displaying important relationships and attributes between miRNAs and mRNAs of both cancer tumor and normal samples. Moreover, a deep investigation of miRNA-mRNA target and biological relationships across multiple cancer types by integrating web-based analysis has not been thoroughly conducted...
October 6, 2016: BMC Bioinformatics
Julien Péron, Pascal Roy, Thierry Conroy, Françoise Desseigne, Marc Ychou, Sophie Gourgou-Bourgade, Trevor Stanbury, Laurent Roche, Brice Ozenne, Marc Buyse
BACKGROUND: We sought to assess the benefit-risk balance of FOLFIRINOX versus gemcitabine in patients with metastatic pancreatic adenocarcinoma. METHODS: We used generalized pairwise comparisons. This statistical method permits the simultaneous analysis of several prioritized outcome measures. The first priority outcome was survival time (OS). Differences in OS that exceeded two months were considered clinically relevant. The second priority outcome was toxicity...
October 19, 2016: Oncotarget
Chris Durkin, Travis Schisler, Jens Lohser
PURPOSE OF REVIEW: Despite marked improvements in perioperative outcomes, esophagectomy continues to be a high-risk operation associated with significant morbidity and mortality. Progress has been achieved through evidence-based changes in preoperative optimization, intraoperative ventilation strategies, fluid therapy, and analgesia, as well as expedited postoperative recovery pathways. This review will summarize the recent literature on the anesthetic management of patients undergoing esophageal resection...
October 18, 2016: Current Opinion in Anaesthesiology
Hagai Cohen, Shaked Ein Eli, Morten Jõgi, Matthew E Suss
Carbon-based suspension electrodes are currently intensively investigated for emerging electrochemical systems, such as flow batteries, flow capacitors, and capacitive deionization cells. The main limitation of such electrodes is their low electric conductivity, which is typically orders of magnitude lower than that of traditional static carbon electrodes. Two main categories of suspension electrodes exist: 1) slurry electrodes where particles are not significantly affected by gravity, and 2) fluidized bed electrodes where particles are affected by gravity...
October 20, 2016: ChemSusChem
Ronald Schenk
Clinical work, as all of consciousness, is steeped in and emerges out of language. Language is the medium of our knowing, and knowing the medium of our relating. Language has us; words dream us. For the mythical Navajo as for John of the New Testament, in the Beginning was the Word. Before any kind of distinction of thought, feeling, sensation or intuition comes language - language, not as 'just words', but as image. Words are images, and images as encompassing worlds present themselves as and through language...
November 2016: Journal of Analytical Psychology
Peter T Struck
Ancient Greeks drew advice from oracles, dreams, entrails, the movements of birds, sneezes, and myriad other sources for divination. Classicists typically study such phenomena as examples of occult religion, or for their use as a social mechanism for managing dissent and forging consensus. Ancient philosophical accounts by contrast go a longer way toward considering them seriously, on their own terms. They take them as an invitation into developing speculative accounts of non-standard epistemological schemes...
2016: Journal of the History of Ideas
Elias Abou Zeid, Alborz Rezazadeh Sereshkeh, Tom Chau
OBJECTIVE: In recent years, the readiness potential (RP), a type of pre-movement neural activity, has been investigated for asynchronous electroencephalogram (EEG)-based brain-computer interfaces (BCIs). Since the RP is attenuated for involuntary movements, a BCI driven by RP alone could facilitate intentional control amid a plethora of unintentional movements. Previous studies have attempted single trial classification of RP via spatial and temporal filtering methods, or by combining the RP with event-related desynchronization...
October 20, 2016: Journal of Neural Engineering
Robert Böhm
No abstract text is available yet for this article.
2016: Frontiers in Psychology
Ryan Stables, Graeme Clemens, Holly J Butler, Katherine M Ashton, Andrew Brodbelt, Timothy P Dawson, Leanne M Fullwood, Michael D Jenkinson, Matthew J Baker
Spectroscopic diagnostics have been shown to be an effective tool for the analysis and discrimination of disease states from human tissue. Furthermore, Raman spectroscopic probes are of particular interest as they allow for in vivo spectroscopic diagnostics, for tasks such as the identification of tumour margins during surgery. In this study, we investigate a feature-driven approach to the classification of metastatic brain cancer, glioblastoma (GB) and non-cancer from tissue samples, and we provide a real-time feedback method for endoscopic diagnostics using sound...
October 19, 2016: Analyst
Leila Rooshenas, Daisy Elliott, Julia Wade, Marcus Jepson, Sangeetha Paramasivan, Sean Strong, Caroline Wilson, David Beard, Jane M Blazeby, Alison Birtle, Alison Halliday, Chris A Rogers, Rob Stein, Jenny L Donovan
BACKGROUND: Randomised controlled trials (RCTs) are essential for evidence-based medicine and increasingly rely on front-line clinicians to recruit eligible patients. Clinicians' difficulties with negotiating equipoise is assumed to undermine recruitment, although these issues have not yet been empirically investigated in the context of observable events. We aimed to investigate how clinicians conveyed equipoise during RCT recruitment appointments across six RCTs, with a view to (i) identifying practices that supported or hindered equipoise communication and (ii) exploring how clinicians' reported intentions compared with their actual practices...
October 2016: PLoS Medicine
Fanny Orlhac, Christophe Nioche, Michael Soussan, Irene Buvat
INTRODUCTION: The use of texture indices (TI) to characterize tumor heterogeneity from Positron Emission Tomography (PET) images is increasingly investigated in retrospective studies. Yet, the interpretation of PET-derived TI values has not been thoroughly reported. Furthermore, the calculation of TI lacks a standardized methodology, making it difficult to compare published results. To allow for TI value interpretation, we investigated the changes in value of six TI computed from simulated and real patient data...
October 6, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
Yao Tian, Kenneth S Burch
Raman spectroscopy is a powerful technique, widely used in both academia and industry. In part, the technique's extensive use stems from its ability to uniquely identify and image various material parameters: composition, strain, temperature, lattice/excitation symmetry, and magnetism in bulk, nano, solid, and organic materials. However, in nanomaterials and samples with low thermal conductivity, these measurements require long acquisition times. On the other hand, charge-coupled device (CCD) detectors used in Raman microscopes are vulnerable to cosmic rays...
October 17, 2016: Applied Spectroscopy
Lin Zhao, Dongxue Guan, Jianhua Cheng, Xiaomin Xu, Zaihui Fei
A ship experiences the random motion of sea waves during its travels. Hence, the coarse alignment of the marine strapdown Inertial Navigation System (INS) suffers from rocking disturbances such as pitch and roll. In this paper, a novel approach of marine coarse alignment was proposed for avoiding the resulting loss of accuracy from rocking disturbances. Unlike several current techniques, our alignment scheme is intuitional and concise. Moreover, the coarse alignment can be implemented without any external information...
October 15, 2016: Sensors
Robert G Salomon
Our research on the roles of lipid oxidation in human disease is guided by chemical intuition. For example, we postulated that 2-(ω-carboxyethyl)pyrrole (CEP) derivatives of primary amines would be produced through covalent adduction of a γ-hydroxyalkenal generated, in turn, through oxidative fragmentation of docosahexaenoates. Our studies confirmed the natural occurrence of this chemistry, and the biological activities of these natural products and their extensive involvements in human physiology (wound healing) and pathology (age-related macular degeneration, autism, atherosclerosis, sickle cell disease and tumor growth) continue to emerge...
October 17, 2016: Chemical Research in Toxicology
Andrew A M Ibey, Derek Andrews, Barb Ferreira
The authors present a case in which a physical anomaly with an infusion pump resulted in an unforeseen fault that the nurse's attempts to resolve unknowingly exacerbated. This case study presents the first report in the literature to detail the difficulty in recreating a patient safety event using smart pump logs, support server continuous quality improvement (CQI) data, and the drug order entry system to elucidate the clinical scenario. A 75-year-old male patient presented to a major teaching hospital and was admitted to the intensive care unit (ICU) with a massive gastrointestinal bleed and myocardial infarction, then stabilized...
December 2016: Drug Saf Case Rep
Cao Xiao, Jesse Bledsoe, Shouyi Wang, Wanpracha Art Chaovalitwongse, Sonya Mehta, Margaret Semrud-Clikeman, Thomas Grabowski
Today, diagnosis of attention deficit hyperactivity disorder (ADHD) still primarily relies on a series of subjective evaluations that highly rely on a doctor's experiences and intuitions from diagnostic interviews and observed behavior measures. An accurate and objective diagnosis of ADHD is still a challenge and leaves much to be desired. Many children and adults are inappropriately labeled with ADHD conditions, whereas many are left undiagnosed and untreated. Recent advances in neuroimaging studies have enabled us to search for both structural (e...
September 2016: Brain Informatics
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