Search Results
Results 1 - 50 of 1926
1 2 3 4 5 6 7 8 9 10 >
Nandi Anjan K AK Centre for Ecological Sciences, Indian Institute of Science, Bangalore, Karnataka 560012, India - - 2014
Social insects provide an excellent platform to investigate flow of information in regulatory systems since their successful social organization is essentially achieved by effective information transfer through complex connectivity patterns among the colony members. Network representation of such behavioural interactions offers a powerful tool for structural as well as dynamical ...
Tadmor Eitan E Center for Scientific Computation and Mathematical Modeling, University of Maryland, College Park, MD 20742, USA Department of Mathematics, University of Maryland, College Park, MD 20742, USA Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742, USA - - 2014
We study the large-time behaviour of Eulerian systems augmented with non-local alignment. Such systems arise as hydrodynamic descriptions of agent-based models for self-organized dynamics, e.g. Cucker & Smale (2007 IEEE Trans. Autom. Control 52, 852-862. (doi:10.1109/TAC.2007.895842)) and Motsch & Tadmor (2011 J. Stat. Phys. 144, 923-947. (doi:10.1007/s10955-011-0285-9)) models. We prove ...
Szolnoki Attila A http://orcid.org/0000-0002-0907-0406 Institute of Technical Physics and Materials Science, Research Centre for Natural Sciences, Hungarian Academy of Sciences, PO Box 49, 1525 Budapest, Hungary - - 2014
Rock is wrapped by paper, paper is cut by scissors and scissors are crushed by rock. This simple game is popular among children and adults to decide on trivial disputes that have no obvious winner, but cyclic dominance is also at the heart of predator-prey interactions, the mating strategy of ...
Cisek Paul P Groupe de Recherche sur le Système Nerveux Central (GRSNC), Département de Neuroscience, Université de Montréal, C.P. 6128 Succursale Centre-ville, Montréal, Québec, Canada H3C 3J7 - - 2014
Neurophysiological studies of decision-making have focused primarily on elucidating the mechanisms of classic economic decisions, for which the relevant variables are the values of expected outcomes and action is simply the means of reporting the selected choice. By contrast, here we focus on the particular challenges of embodied decision-making faced ...
Peng Ying Y Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN 55905, USA peng.ying@mayo.edu - - 2014
Recent advances in the targeted modification of complex eukaryotic genomes have unlocked a new era of genome engineering. From the pioneering work using zinc-finger nucleases (ZFNs), to the advent of the versatile and specific TALEN systems, and most recently the highly accessible CRISPR/Cas9 systems, we now possess an unprecedented ability ...
Beese Allison M AM Department of Mechanical Engineering, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208-3111, United - - 2014
Studies of carbon nanotube (CNT) based composites have been unable to translate the extraordinary load-bearing capabilities of individual CNTs to macroscale composites such as yarns. A key challenge lies in the lack of understanding of how properties of filaments and interfaces across yarn hierarchical levels govern the properties of macroscale ...
Couteron P P http://orcid.org/0000-0002-4627-1696 IRD, UMR AMAP, c/o Cirad, 34000 Montpellier, France - - 2014
We propose here to interpret and model peculiar plant morphologies (cushions and tussocks) observed in the Andean Altiplano as localized structures. Such structures resulting in a patchy, aperiodic aspect of the vegetation cover are hypothesized to self-organize thanks to the interplay between facilitation and competition processes occurring at the scale ...
Cunningham Fiona F http://orcid.org/0000-0002-7445-2419 European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, - - 2014
Ensembl (http://www.ensembl.org) is a genomic interpretation system providing the most up-to-date annotations, querying tools and access methods for chordates and key model organisms. This year we released updated annotation (gene models, comparative genomics, regulatory regions and variation) on the new human assembly, GRCh38, although we continue to support researchers using ...
Lekschas Fritz F Berlin-Brandenburg Center for Regenerative Therapies, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany - - 2014
Advancing technologies generate large amounts of molecular and phenotypic data on cells, tissues and organisms, leading to an ever-growing detail and complexity while information retrieval and analysis becomes increasingly time-consuming. The Semantic Body Browser is a web application for intuitively exploring the body of an organism from the organ to ...
Wong Yong Chiat YC 1Defence Medical & Environmental Research Institute, DSO National Laboratories, Singapore 2Saw Swee Hock School of Public Health, National University of - - 2014
Traumatic injury remains a major cause of morbidity and mortality worldwide and patients who survived the initial insult are susceptible to an overwhelming inflammatory dysfunction that will lead to acute coagulopathy of trauma (ACOT) and subsequently multiple organ dysfunction syndrome (MODS). MODS related scoring systems, while they measure organ dysfunction, ...
Qian Jinjie J Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China. - - 2014
With the help of the ligand-oriented method, we have successfully embedded independent copper-based units into the indium-organic framework system for the first time, in which the Cu4I4 clusters and In3O(CO2)6 clusters coexist. This heterometallic cluster-based framework has a large porosity with extra-open channels along the c-axis, and its sorption capacity ...
Fife Gwendoline R GR Stichting Restauratie Atelier Limburg, Avenue Ceramique 224, 6221 KX, Maastricht, the - - 2014
Typical experiments conducted with single-sided NMR are incapable of unique chemical identification and, thus, often rely on comparative measurements in scientific study. However, cultural heritage objects have unique natures and histories, making a genuine 'control' sample a rarity and complicating many scientific investigations. In this paper, we present some comparative ...
Carter Laura J - - 2014
Current guidelines for determining bioconcentration factors (BCF) and uptake and depuration rate constants require labour intensive studies with large numbers of organisms. A minimised approach has recently been proposed for fish BCF studies but its applicability to other taxonomic groups is unknown. In this study, we therefore evaluate the use ...
Jones Timothy Deryck - - 2014
The first dynamic model of dissolved organic carbon (DOC) export in streams derived directly from high frequency (sub-hourly) observations sampled at a regular interval through contiguous storms is presented. The optimal model, identified using the recently developed RIVC algorithm, captured the rapid dynamics of DOC load from 15-minute monitored rainfall ...
Pearcy Nicole N School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, UK. - - 2014
At the systems level many organisms of interest may be described by their patterns of interaction, and as such, are perhaps best characterised via network or graph models. Metabolic networks, in particular, are fundamental to the proper functioning of many important biological processes, and thus, have been widely studied over ...
Wang Chen - - 2014
The presence of inorganic salts significantly influences the partitioning behavior of organic compounds between environmentally relevant aqueous phases, such as sea water or aqueous aerosol, and other, non-aqueous phases (gas phase, organic phase, etc.). In this study, salting-out coefficients (or Setschenow constants) (KS [M-1]) for 38 diverse neutral compounds in ...
Liu Li - - 2014
Pesticides and their degradation products occur ubiquitously in natural aquatic environments at trace concentrations (μg L-1 and lower). Microbial biodegradation processes have long been known to contribute to the attenuation of pesticides in contaminated environments. However, challenges remain in developing engineered remediation strategies for pesticide-contaminated environments because the fundamental processes ...
Hamann Andreas A Department of Renewable Resources, Faculty of Agricultural, Life, and Environmental Sciences, University of Alberta, 751 General Services Building, Edmonton, AB, T6G 2H1, - - 2014
The velocity of climate change is an elegant analytical concept that can be used to evaluate the exposure of organisms to climate change. In essence, one divides the rate of climate change by the rate of spatial climate variability to obtain a speed at which species must migrate over the ...
Liotta Flavia F a Department of Civil and Mechanical Engineering , University of Cassino and the Southern Lazio , via Di Biasio 43, 03043 Cassino (FR) , Italy - - 2014
Abstract The role of Total Solids (TS) content in anaerobic digestion of selected complex organic matter, e.g. rice straw and food waste, was investigated. A range of TS from wet (4.5%) to dry (23%) was evaluated. A modified version of the Anaerobic Digestion Model No.1 for complex organic substrate is ...
Witten Tarynn M TM Center for the Study of Biological Complexity, Virginia Commonwealth University, Richmond, Va., - - 2015
This chapter will briefly address the history of systems biology and complexity theory and its use in understanding the dynamics of aging at the 'omic' level of biological organization. Using the idea of treating a biological organism like a network, we will examine how network mathematics, particularly graph theory, can ...
Mulvaney Shawn P SP Chemistry Division, U.S. Naval Research Laboratory , Washington, DC 20375, United - - 2014
The world is filled with widely varying chemical, physical, and biological stimuli. Over millennia, organisms have refined their senses to cope with these diverse stimuli, becoming virtuosos in differentiating closely related antigens, handling extremes in concentration, resetting the spent sensing mechanisms, and processing the multiple data streams being generated. Nature ...
Karpinka J Brad JB University of Calgary-Computer Science, Calgary, Alberta, - - 2014
Xenbase (http://www.xenbase.org), the Xenopus frog model organism database, integrates a wide variety of data from this biomedical model genus. Two closely related species are represented: the allotetraploid Xenopus laevis that is widely used for microinjection and tissue explant-based protocols, and the diploid Xenopus tropicalis which is used for genetics and ...
Andersen Nina Blom NB Roskilde University, Denmark - - 2014
This article discusses how residents in a local area contributed to the construction of knowledge in regard to scientific assessments in relation to a fire in a storage dump of burnable waste. Building on analytical concepts primarily from Social Worlds theory as well as some concepts from Actor-Network Theory, the ...
Bray Dennis D Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, - - 2014
Are we close to a complete inventory of living processes so that we might expect in the near future to reproduce every essential aspect necessary for life? Or are there mechanisms and processes in cells and organisms that are presently inaccessible to us? Here I argue that a close examination ...
Jabłoński Sławomir J SJ University of Wroclaw, Faculty of Biotechnology, ul. Fryderyka Joliot-Currie 14a, 50-383 Wroclaw, - - 2014
Rape oilcake is a by-product formed after the removal of oil from rapeseed. Due to the high content of organic matter rape oilcake seems a good substrate for anaerobic digestion when it cannot be used as fodder. The aim of this work was to optimise the parameters used in a ...
Johnson Jami L JL Department of Physics, University of Auckland, Auckland, New Zealand - - 2014
In modern laboratories, software can drive the full experimental process from data acquisition to storage, processing, and analysis. The automation of laboratory data acquisition is an important consideration for every laboratory. When implementing a laboratory automation scheme, important parameters include its reliability, time to implement, adaptability, and compatibility with software ...
Kuhne S S Institute of Bioprocess Engineering, University of Kaiserslautern, D-67663 Kaiserslautern, - - 2014
Cyanobacteria offer great potential for the production of biotechnological products for pharmaceutical applications. However, these organisms can only be cultivated efficiently using photobioreactors (PBR). Under submerged conditions though, terrestrial cyanobacteria mostly grow in a suboptimal way, which makes this cultivation-technique uneconomic and thus terrestrial cyanobacteria unattractive. Therefore, a novel emersed ...
Jensen Sanne S Aalborg University, Denmark - - 2014
Development and implementation of eHealth is challenging due to the complexity of clinical work practices and organizations. Standardizing work processes and documentation procedures is one way of coping with these challenges, and acceptance of these initiatives and acceptance of the clinical information system are vital for success. Clinical simulation may ...
Czaran Tamas T MTA-ELTE Research Group of Theoretical Biology and Evolutionary Ecology, 1117 Budapest, Pázmány Péter sétány 1/C, Hungary. Electronic address: - - 2014
Fusion between multicellular individuals is possible in many organisms with modular, indeterminate growth, such as marine invertebrates and fungi. Although fusion may provide various benefits, fusion usually is restricted to close relatives by allorecognition, also called heterokaryon or somatic incompatibility in fungi. A possible selective explanation for allorecognition is protection ...
Xu Lu - - 2014
Cluster analysis of unlabeled data sets has been recognized as a key research topic in varieties of fields. In many practical cases, no a priori knowledge is specified, for example, the number of clusters is unknown. In this paper, grid clustering based on the polar self-organizing map (PolSOM) is developed ...
Maus Horst-Moritz HM Lauflabor Locomotion Laboratory, Institute for Sport Science, Technical University Darmstadt, Magdalenenstr. 27, 64289 Darmstadt, Germany - - 2014
Blindfolded or disoriented people have the tendency to walk in circles rather than on a straight line even if they wanted to. Here, we use a minimalistic walking model to examine this phenomenon. The bipedal spring-loaded inverted pendulum exhibits asymptotically stable gaits with centre of mass (CoM) dynamics and ground ...
Beccuti M M Department of Computer Sciences, University of Torino, C.so Svizzera 185, 10149 Torino, - - 2014
Chimera is a Bioconductor package that organizes, annotates, analyses and validates fusions reported by different fusion detection tools; current implementation can deal with output from, bellerophontes, chimeraScan, deFuse, fusionCatcher, FusionFinder, FusionHunter, FusionMap, mapSplice, Rsubread, tophat-fusion, and STAR). The core of Chimera is a fusion data structure that can store fusion ...
Schmidt Ralf R Research Group Theoretical Systems Biology, Friedrich Schiller University Jena, 07743 Jena, - - 2014
Genome-scale metabolic network reconstructions have been established as a powerful tool for the prediction of cellular phenotypes and metabolic capabilities of organisms. In recent years, the number of network reconstructions has been constantly increasing, mostly due to the availability of novel, (semi-)automated procedures, which enabled the reconstruction of metabolic models ...
Endo Satoshi - - 2014
Partitioning behavior of organic chemicals has tremendous influences on their environmental distribution, reaction rates, bioaccumulation, and toxic effects. Polyparameter linear free energy relationships (PP-LFERs) have been proven to be useful to characterize the equilibrium partitioning of organic chemicals in various environmental and technical partitioning systems and predict the respective partition ...
Raczynski Stanislaw S Universidad Panamericana, Mexico City, - - 2014
A model of the dynamics and interactions between organizations with self-organizing hierarchical structures is presented for discrete events. The active objects of the model are individuals (people, organization members). The parameters of an individual are ability, corruption level, resources, and lust for power, among others. Three organizations are generated and ...
Xiao Yanhui - - 2014
Nonnegative matrix factorization (NMF) is a useful technique to explore a parts-based representation by decomposing the original data matrix into a few parts-based basis vectors and encodings with nonnegative constraints. It has been widely used in image processing and pattern recognition tasks due to its psychological and physiological interpretation of ...
Kumar Anand A Department of Computer Science and Engineering, University of South Florida, 4202 E. Fowler Ave., ENB 118, Tampa, FL 33620, - - 2014
This paper focuses on an important query in scientific simulation data analysis: the Spatial Distance Histogram (SDH). The computation time of an SDH query using brute force method is quadratic. Often, such queries are executed continuously over certain time periods, increasing the computation time. We propose highly efficient approximate algorithm ...
Gupta Rajat M - - 2014
The past decade has been one of rapid innovation in genome-editing technology. The opportunity now exists for investigators to manipulate virtually any gene in a diverse range of cell types and organisms with targeted nucleases designed with sequence-specific DNA-binding domains. The rapid development of the field has allowed for highly ...
Szarowska Magdalena M 1 Department of Malacology, Institute of Zoology, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, - - 2014
Freshwater snails that inhabit islands are excellent model organisms for testing relationships between geological events and phylogeography, especially in the Aegean region. Although many Aegean islands were searched in the present study, species of the genus Pseudorientalia were only found on Lesvos, Samos, and Chios. Phylogenetic relationships between specimens living ...
Khardori N N Department of Internal Medicine, Division of Infectious Disease, Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, Virginia, - - 2014
Diagnostic Microbiology is the tool that makes it possible to identify the exact etiology of infectious diseases and the most optimal therapy at the level of individual patients as well as communities. Conventional methods require time to grow the microbes in vitro under specific conditions and not all microbes are ...
Samei Ehsan E Carl E. Ravin Advanced Imaging Laboratories, Departments of Radiology, Biomedical Engineering, Physics, and Electrical Engineering, Duke University, 2424 Erwin Road, Suite 302, Durham, NC, 27705, USA, - - 2014
Among the various metrics to quantify CT radiation dose, organ dose is generally regarded as one of the best to reflect patient radiation burden. Organ dose is dependent on two main factors, namely patient anatomy and irradiation field. An accurate estimation of organ dose requires detailed modeling of both factors. ...
Govindan Siva Shangari SS Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia - - 2014
Waste management can be regarded as a cross-cutting environmental 'mega-issue'. Sound waste management practices support the provision of basic needs for general health, such as clean air, clean water and safe supply of food. In addition, climate change mitigation efforts can be achieved through reduction of greenhouse gas emissions from ...
Corsi Ilaria I Department of Physical, Earth and Environmental Sciences, University of Siena , Siena 53100, - - 2014
The widespread use of engineered nanomaterials (ENMs) in a variety of technologies and consumer products inevitably causes their release into aquatic environments and final deposition into the oceans. In addition, a growing number of ENM products are being developed specifically for marine applications, such as antifouling coatings and environmental remediation ...
Chakraborty Subrata S Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093-0356; - - 2014
Nitrogen isotopic distributions in the solar system extend across an enormous range, from -400‰, in the solar wind and Jovian atmosphere, to about 5,000‰ in organic matter in carbonaceous chondrites. Distributions such as these require complex processing of nitrogen reservoirs and extraordinary isotope effects. While theoretical models invoke ion-neutral exchange ...
Casellas Joaquim J Universitat Autònoma de Barcelona; - - 2014
Present statistical approaches to investigate the nature and magnitude of transmission ratio distortion (TRD) are scarce and restricted to the most common experimental designs such as F2 populations and back-crosses. In this manuscript, we describe a new Bayesian approach to check TRD within a given biallelic genetic marker in a ...
Nikiforov Alexander A Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr, - - 2014
Quantum-chemical computational methods are benchmarked for their ability to describe conical intersections in a series of organic molecules and models of biological chromophores. Reference results for the geometries, relative energies, and branching planes of conical intersections are obtained using ab initio multireference configuration interaction with single and double excitations (MRCISD). ...
García-Gen Santiago S Department of Chemical Engineering, Institute of Technology, University of Santiago de Compostela, Rúa Lope Gómez de Marzoa s/n, 15782 Santiago de Compostela, - - 2014
Anaerobic co-digestion of multiple substrates has the potential to enhance biogas productivity by making use of the complementary characteristics of different substrates. A blending strategy based on a linear programming optimisation method is proposed aiming at maximising COD conversion into methane, but simultaneously maintaining a digestate and biogas quality. The ...
Stepanova L G LG Branch of Novosibirsk State Agrarian University - Tomsk Agricultural Institute, Tomsk, - - 2014
Physiological and biomedical experiments were performed. We estimated the parameters of tree main levels of physiological systems as a response of an organism to stress. Mechanisms of physiological defense of an organism against stress should be considered systemically. The response of physiological systems of animal organism was modeled by the ...
Alicki Robert - - 2014
The accuracy of two classes of nanoscale thermometers is estimated in terms of size and system-dependent properties using the spin-boson model. We consider solid state thermometers, where the energy splitting is tuned by thermal properties of the material, and fluorescent organic thermometers, in which the fluorescence intensity depends on the ...
Lombardo Anna A IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Department of Environmental Health Science, Laboratory of Environmental Chemistry and Toxicology, Via G. La Masa 19, 20156 Milan, - - 2014
To satisfy REACH requirements a high number of data on chemical of interest should be supplied to the European Chemicals Agency. To organize the various kinds of information and help the registrants to choose the best strategy to obtain the needed information limiting at the minimum the use of animal ...
1 2 3 4 5 6 7 8 9 10 >