Search Results
Results 1 - 50 of 3640
1 2 3 4 5 6 7 8 9 10 >
Lisi Anthony J AJ 1VA Connecticut Health Care System, West Haven, CT 2University of Bridgeport College of Chiropractic, Bridgeport, CT 3Department of Internal Medicine, Yale University School of Medicine, New Haven, CT 4Department of Emergency Medicine, Yale University School of Medicine, New Haven, CT 5Department of Psychiatry, Yale University School of Medicine, New Haven, - - 2014
Study Design. This work compared administrative data obtained from Department of Veterans Affairs (VA) databases with structured chart review.Objective. We set out to determine whether a decision tool using administrative data could be used to discriminate acute from non-acute cases among the many patients seen for a low back pain ...
Hill Jason M JM Pennsylvania Cooperative Fish and Wildlife Research Unit, Pennsylvania State University, University Park, Pennsylvania, United States of - - 2014
Grassland bird species have experienced substantial declines in North America. These declines have been largely attributed to habitat loss and degradation, especially from agricultural practices and intensification (the habitat-availability hypothesis). A recent analysis of North American Breeding Bird Survey (BBS) "grassland breeding" bird trends reported the surprising conclusion that insecticide ...
- - 2014
[This corrects the article DOI: 10.1371/journal.pone.0082706.].
Zappalorti Robert T RT a Herpetological Associates, Inc. , Plant and Wildlife Consultants , Jackson , New Jersey , - - 2014
Environmental managers require information on whether human-made hibernacula are used by rare snakes before constructing large numbers of them as mitigation measures. Fidelity of northern pine snakes (Pituophis m. melanoleucus) was examined in a 6-year study in the New Jersey Pine Barrens to determine whether they used natural and artificial ...
Sharifi Mona M Division of General Pediatrics, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, USA. Electronic address: - - 2013
To identify and assess billing, procedural, or diagnosis code, or pharmacy claim-based algorithms used to identify acute bronchospasm in administrative and claims databases. We searched the MEDLINE database from 1991 to September 2012 using controlled vocabulary and key terms related to bronchospasm, wheeze and acute asthma. We also searched the ...
Hall Aron J - - 2013
Implemented in 2009, the National Outbreak Reporting System provides surveillance for acute gastroenteritis outbreaks in the United States resulting from any transmission mode. Data from the first 2 years of surveillance highlight the predominant role of norovirus. The pathogen-specific transmission pathways and exposure settings identified can help inform prevention efforts.
Maraví-Poma E - - 2013
OBJECTIVE: To develop a new classification of acute pancreatitis severity on the basis of a sound conceptual framework, comprehensive review of the published evidence, and worldwide consultation. BACKGROUNDS: The Atlanta definitions of acute pancreatitis severity are ingrained in the lexicon of specialist in pancreatic diseases, but are suboptimal because these ...
Lee Yen-Hsien - - 2013
OBJECTIVE: Acute appendicitis is a common medical condition, whose effective, timely diagnosis can be difficult. A missed diagnosis not only puts the patient in danger but also requires additional resources for corrective treatments. An acute appendicitis diagnosis constitutes a classification problem, for which a further fundamental challenge pertains to the ...
Borzellino Giuseppe - - 2013
BACKGROUND: The aim of this study was to assess predictive factors for the diagnosis of severe acute cholecystitis. METHODS: The medical records of 295 patients with pathologically confirmed acute cholecystitis were reviewed. Patients were divided, based on pathology findings, into a group with nonsevere acute cholecystitis and a group with ...
Yoshida Midori - - 2013
In order to develop guidelines for setting acute reference doses (ARfDs) for pesticides in Japan, we conducted simulations of ARfD settings based on evaluation reports for 201 pesticides assessed by the Food Safety Commission (FSC) in Japan over the last 8 years. Our conceptual principles were based on the concepts ...
Yoshida Midori - - 2013
Basic principles for simulation of acute reference dose (ARfD) setting were defined based on the work of Solecki et al. (2005). The principles are: (1) Appearance of acute toxicity within 24 h after oral administration. (2) Rationale for setting toxicity that appears or could appear after single oral administration. (3) ...
Kahl S - - 2012
Acute pancreatitis is a disease still not fully understood. Early pathophysiologic event escape clinical observation because patients typically present only some time after the acute onset of the disease. Also, many ethiologic factors can lead to acute pancreatitis and the clinical course can range from mild, self-limiting to severe and ...
Mugni Hernán - - 2012
The acute toxicity of cypermethrin to the amphipod Hyalella curvispina was evaluated by means of a toxicity test under laboratory conditions. Cypermethrin is one of the most widely used insecticides in Argentina. H. curvispina is a widely distributed and commonly abundant component of the invertebrate assemblages in shallow waters of ...
Reick Christian H - - 2012
The arrangement of plant organs - called phyllotaxis - is often highly regular. Surprisingly, these arrangements are not only qualitatively, but also quantitatively similar for different plants. Several abstract mathematical models invoking general principles like circular symmetry and mutual repulsion of plant organs reproduce these characteristic features of phyllotaxis. Two ...
Yoshida Hiroshi - - 2012
Tissues of animals and plants are maintained through balanced cell growth, movement, and elimination. Although cells are exchanged perpetually, the whole structure of the tissue is maintained. This form of maintenance is called cell turnover. Here I propose a bio-inspired model of patterns that regenerate through turnover. The model derives ...
Zaks Julia - - 2012
Oxygen-evolving photosynthetic organisms possess nonphotochemical quenching (NPQ) pathways that protect against photo-induced damage. The majority of NPQ in plants is regulated on a rapid timescale by changes in the pH of the thylakoid lumen. In order to quantify the rapidly reversible component of NPQ, called qE, we developed a mathematical ...
Eliasson Mattias - - 2012
A strategy for optimizing LC-MS metabolomics data processing is proposed. We applied this strategy on the XCMS open source package written in R on both human and plant biology data. The strategy is a sequential design of experiments (DoE) based on a dilution series from a pooled sample, and a ...
Kim Jin Wook - - 2012
Selenoproteins, containing selenocysteine (Sec, U) as the 21st amino acid in the genetic code, are well conserved from bacteria to human, except yeast and higher plants that miss the Sec insertion machinery. Determination of Sec association is important to find substrates and to understand redox action of selenoproteins. While mass ...
Chiyaka Christinah - - 2012
The citrus disease huanglongbing (HLB), associated with an uncultured bacterial pathogen, is threatening the citrus industry worldwide. A mathematical model of the transmission of HLB between its psyllid vector and citrus host has been developed to characterize the dynamics of the vector and disease development, focusing on the spread of ...
Steel Mike - - 2012
Neutral macroevolutionary models, such as the Yule model, give rise to a probability distribution on the set of discrete rooted binary trees over a given leaf set. Such models can provide a signal as to the approximate location of the root when only the unrooted phylogenetic tree is known, and ...
Canuto Enrico - - 2012
Robust control design guarantees closed-loop stability of a model-based control law in the presence of parametric uncertainties. Stability is guaranteed by introducing some ignorance coefficients and restricting the feedback control effort. Embedded Model Control shows that the model-based control law can be kept intact in the case of uncertainty, if ...
Jing J - - 2012
This study examines how to reduce the complexity of fluence map generated using an improved clustering leaf-sequencing method, and evaluates such method in step-and-shoot intensity-modulated radiotherapy (IMRT). Based on the current equal-space grouping algorithm for multileaf collimator (MLC) leaf sequence, we proposed an improved K-means grouping algorithm which can replace ...
Madeleine Pascal - - 2012
This laboratory study investigated seated computer work before and after prolonged constrained sitting. Discomfort ratings and kinetic and kinematics data were recorded in nine healthy males performing computer work for 5 min before and after 96 min of sitting. The displacement of the center of pressure (CoP) in anterior-posterior and ...
Garay József - - 2012
The paper is aimed at a theoretical explanation of the following phenomenon. In biological pest control in greenhouses, if an omnivore agent is released before the arrival of the plague, the agent may be able to colonize, feeding only on plant and then control its arriving prey to a low ...
Bazán-Prieto Carlos - - 2012
Coding distortion in lossy electroencephalographic (EEG) signal compression methods is evaluated through tractable objective criteria. The percentage root-mean-square difference, which is a global and relative indicator of the quality held by reconstructed waveforms, is the most widely used criterion. However, this parameter does not ensure compliance with clinical standard guidelines ...
Dupuy Lionel - - 2012
Models of root systems are essential tools to understand how crops access and use soil resources during their development. However scaling up such models to field scale remains a great challenge. In this paper, we detail a new approach to compute the growth of root systems based on density distribution ...
Ozturk Ismet - - 2012
Abstract In this study, we studied the effects of some plant hydrosols obtained from bay leaf, black cumin, rosemary, sage, and thyme in reducing Listeria monocytogenes on the surface of fresh-cut apple cubes. Adaptive neuro-fuzzy inference system (ANFIS), artificial neural network (ANN), and multiple linear regression (MLR) models were used ...
Juraske Ronnie - - 2012
We evaluated the exposure to pesticides from the consumption of passion fruits and subsequent human health risks by combining several methods: (i) experimental field studies including the determination of pesticide residues in/on passion fruits, (ii) dynamic plant uptake modelling, and (iii) human health risk assessment concepts. Eight commonly used pesticides ...
Roussel Marc R - - 2012
We present here a model intended to capture the biochemistry of vein formation in plant leaves. The model consists of three modules. Two of these modules, those describing auxin signaling and transport in plant cells, are biochemically detailed. We couple these modules to a simple model for PIN (auxin efflux ...
Kihara Takuya - - 2012
Orthodontic setup models are usually limited to the display of teeth, with no information about the roots. The purpose of this article is to present a method for visualizing the tooth roots in setup models by integrating information from cone-beam computed tomography and a laser scanner. The reproducibility of the ...
Notaro Michael - - 2012
This study focuses on potential impacts of 21st century climate change on vegetation in the Southwest United States, based on debiased and interpolated climate projections from 17 global climate models used in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Among these models a warming trend is ...
Damgaard Christian - - 2012
The use of state-space models for analyzing longitudinal hierarchical pin-point plant cover data is demonstrated. The main advantages of using a state-space model are (1) that the observed variance is separated into sampling variance and the more interesting structural variance which are needed for quantifying prediction uncertainty, (2) that missing ...
Hsiao Hongwei - - 2012
This study investigated the effect of body size and shape and harness fit on suspension tolerance time. Fall victims may develop suspension trauma, a potentially fatal reduction of return blood flow from legs to the heart and brain, after a successfully arrested fall if they are not rescued quickly or ...
Chitwood Daniel H - - 2012
In a majority of species, leaf development is thought to proceed in a bilaterally symmetric fashion without systematic asymmetries. This is despite the left and right sides of an initiating primordium occupying niches that differ in their distance from sinks and sources of auxin. Here, we revisit an existing model ...
Kositbowornchai Suwadee - - 2012
AIM: To develop an artificial neural network for vertical root fracture detection. MATERIALS AND METHODS: A probabilistic neural network design was used to clarify whether a tooth root was sound or had a vertical root fracture. Two hundred images (50 sound and 150 vertical root fractures) derived from digital radiography ...
Ogutu Joseph O - - 2012
Genomic selection (GS) is emerging as an efficient and cost-effective method for estimating breeding values using molecular markers distributed over the entire genome. In essence, it involves estimating the simultaneous effects of all genes or chromosomal segments and combining the estimates to predict the total genomic breeding value (GEBV). Accurate ...
Cheng Tao - - 2012
Leaf water content is an important variable for understanding plant physiological properties. This study evaluates a spectral analysis approach, continuous wavelet analysis (CWA), for the spectroscopic estimation of leaf gravimetric water content (GWC, %) and determines robust spectral indicators of GWC across a wide range of plant species from different ...
Comin Chiaramonti L - - 2012
The aim of this study was to evaluate ex vivo the accuracy of two fourth generation apex locators and compare the measurements obtained. Forty single and multiroots of permanent teeth (i.e., sixty-two canals) without caries or restorations were selected. After determining the real canal length using a stereomicroscope and a ...
Zhang Lei - - 2012
China is the largest mercury emitter in the world and coal combustion is the most important mercury source in China. This paper updates the coal quality database of China and evaluates the mercury removal efficiency of air pollution control devices (APCDs) based on 112 on-site measurements. A sub-model was developed ...
Aulagnier C - - 2012
Radioactive (14)C is formed as a by-product of nuclear power generation and from operation of nuclear fuel reprocessing plants like AREVA-NC La Hague (North France), which releases about 15 TBq per year of (14)C into the atmosphere. Since the autumn of 2006, (14)C activity concentrations in samples from the terrestrial environment ...
Band Leah R - - 2012
In the elongation zone of the Arabidopsis thaliana plant root, cells undergo rapid elongation, increasing their length by ∼10-fold over 5 h while maintaining a constant radius. Although progress is being made in understanding how this growth is regulated, little consideration has been given as to how cell elongation affects ...
Nakamura Sumiko - - 2012
The processing suitability as a material for rice crackers was characterized in the present study, based on physicochemical measurements and sensory testing of high-quality premium rice, low-amylose rice, Japonica-Indica hybrid rice, and red rice as the rice cultivar samples. Puffed rice crackers were prepared and the relationship between the physicochemical ...
Shi Ji-Yong - - 2012
Total flavonoids content is often considered an important quality index of Ginkgo biloba leaf. The feasibility of using near infrared (NIR) spectra at the wavelength range of 10,000-4000cm(-1) for rapid and nondestructive determination of total flavonoids content in G. biloba leaf was investigated. 120 fresh G. biloba leaves in different ...
Yuan Ao - - 2012
It is known that in many missing data models, for example, survival data models, some parameters are root-n estimable while the others are not. When they are, their limiting distributions are often Gaussian and easy to use. When they are not, their limiting distributions, if exists, are often non-Gaussian and ...
Ibanez Sébastien - - 2012
Using functional traits together with abundance effects strengthens the prediction of interactions between pairs of species in ecological networks. Insights into the way species interact as well as prediction accuracy can be gained when thresholds for trait value combinations that make interactions possible are optimized through model selection. I present ...
Rosenfeld Jeffrey A - - 2012
Lineage sorting has been suggested as a major force in generating incongruent phylogenetic signal when multiple gene partitions are examined. The degree of lineage sorting can be estimated using the coalescent process and simulation studies have also pointed to a major role for incomplete lineage sorting as a factor in ...
Rohwer Johann M - - 2012
This paper provides a review of kinetic modelling of plant metabolic pathways as a tool for analysing their control and regulation. An overview of different modelling strategies is presented, starting with those approaches that only require a knowledge of the network stoichiometry; these are referred to as structural. Flux-balance analysis, ...
Miller Tom E X TE Department of Ecology and Evolutionary Biology, Rice University, 6100 Main Street, MS-170, Houston, TX 77005-1892, USA. - - 2012
Understanding the selective forces that shape reproductive strategies is a central goal of evolutionary ecology. Selection on the timing of reproduction is well studied in semelparous organisms because the cost of reproduction (death) can be easily incorporated into demographic models. Iteroparous organisms also exhibit delayed reproduction and experience reproductive costs, ...
Chaudhary Ruchi - - 2012
A Robinson-Foulds (RF) supertree for a collection of input trees is a tree containing all the species in the input trees that is at minimum total RF distance to the input trees. Thus, an RF supertree is consistent with the maximum number of splits in the input trees. Constructing RF ...
Kuo Cheng-Lang - - 2012
The objective of the present study was to interview infantry soldiers to determine their preferences with respect to rifle design and to examine the effect of buttstocks on shooting performance. Factor analysis showed that seven main factors should be considered in rifle redesign including tactics necessary, interface design, saving weight, ...
1 2 3 4 5 6 7 8 9 10 >