Search Results
Results 51 - 100 of 1888
1 2 3 4 5 6 7 8 9 10 >
Vallès Henri H Department of Biological and Chemical Sciences, The University of the West Indies, Cave Hill Campus, Cave Hill, - - 2014
There is great need to identify simple yet reliable indicators of fishing effects within the multi-species, multi-gear, data-poor fisheries of the Caribbean. Here, we investigate links between fishing pressure and three simple fish metrics, i.e. average fish weight (an estimate of average individual fish size), fish density and fish biomass, ...
Slark J J 1] Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand [2] Imperial College Cerebrovascular Research Unit (ICCRU), Imperial College London, London, - - 2014
Little is known about the general public's understanding of the role of blood pressure (BP) in contributing to heart disease and stroke. This study aimed to gain a wider understanding of the knowledge and awareness of BP in a selected London population. As part of a stroke awareness campaign, members ...
Zaheer S S Department of Paediatric Nephrology and NIHR/Wellcome Trust Children's Clinical Research Facility, The University of Manchester, Manchester Academic Health Science Centre, Royal Manchester Children's Hospital, , Manchester, - - 2014
Blood pressure (BP) monitoring in UK children at risk of hypertension takes place predominantly in secondary and tertiary care. To investigate (i) the availability of paediatric BP equipment in primary care (PC) and (ii) the confidence of PC professionals in measuring and interpreting children's BP. 103 PC practices were approached ...
Agnoletti Davide D aDiagnostic and Therapeutic Center, Hotel Dieu Hospital, Paris bPulse Wave Consulting, Saint Leu la Foret, France cDepartment of Internal Medicine, University of Bologna, Bologna, - - 2014
Central blood pressure (cBP) and pulse pressure amplification (PPA) are receiving renewed interest with the increase in the availability of noninvasive techniques that enable its measurement. However, to date, there is no standardized protocol to validate their accuracy. Although invasive comparison seems intellectually ideal, it will soon raise technical and ...
Zicha J J Institute of Physiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic. - - 2014
High blood pressure (BP) of spontaneously hypertensive rats (SHR) is maintained by enhanced activity of sympathetic nervous system (SNS), whereas that of Ren-2 transgenic rats (Ren-2 TGR) by increased activity of renin-angiotensin system (RAS). However, both types of hypertension are effectively attenuated by chronic blockade of L-type voltage-dependent calcium channel ...
Sagarra-Tió María M 1ABS Canaletes, Institut Català de la Salut, - - 2014
Background:Ambulatory blood pressure monitoring (ABPM) was implemented in our primary care setting four years ago. Since then, 450 ABPMs have been performed and 69 riser subjects identified. The riser pattern is an independent risk factor for both incidence of cardiovascular events and their associated mortality.Objective:The purpose of this study was ...
Schmieder Roland E RE Department of Nephrology and Hypertension, University Hospital Erlangen, Germany. Electronic address: - - 2014
Although the blood pressure (BP) of many patients can be controlled using standard combinations, treatment of hypertension frequently represents a clinical challenge to the primary care physician. This article will review best practices for managing patients with easy- and difficult-to-treat hypertension, including preferred antihypertensive combinations, optimizing adherence and persistence, recognizing ...
Dellarole Mariano - - 2014
Fluorescence is the most widely used technique to study the effect of pressure on biochemical systems. The use of pressure as a physical variable sheds light into volumetric characteristics of reactions. Here we focus on the effect of pressure on protein solutions using a simple unfolding example in order to ...
Vallons Katleen J R - - 2014
High pressure processing is a promising non-thermal technology for the development of fresh-like, shelf-stable foods. The effect of high pressure on starch has been explored by many researchers using a wide range of techniques. In general, heat and pressure have similar effects: if sufficiently high, they both induce gelatinization of ...
Bergeot Baptiste B LUNAM Université, Université du Maine, Unité Mixte de Recherche, Centre National de la Recherche Scientifique 6613, Laboratoire d'Acoustique, Avenue Olivier Messiaen, 72085 Le Mans Cedex 9, - - 2014
Using an artificial mouth with an accurate pressure control, the onset of the pressure oscillations inside the mouthpiece of a simplified clarinet is studied experimentally. Two time profiles are used for the blowing pressure: in a first set of experiments the pressure is increased at constant rates, then decreased at ...
Pollet Pamela P School of Chemistry and Biochemistry, Georgia Institute of - - 2014
The high pressure sapphire cell apparatus was constructed to visually determine the composition of multiphase systems without physical sampling. Specifically, the sapphire cell enables visual data collection from multiple loadings to solve a set of material balances to precisely determine phase composition. Ternary phase diagrams can then be established to ...
Lago Leatitia L Synchrotron SOLEIL, L'Orme des Merisiers, F-91192 Gif-sur-Yvette, - - 2014
In order to carry out precise laboratory measurements of infrared absorption intensities, line profiles of molecules and organic volatile compounds for atmospheric chemistry in planetary and upper earth atmospheric layers, precise gas pressure measurement between 10(-3) and a few mbars in the 77-300 K temperature range is necessary. A prototype, ...
Niu Zhe Z State Key Laboratory for Manufacturing Systems Engineering, Institute of Precision Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, People's Republic of - - 2014
This paper describes a design method for optimizing sensitivity of piezoresistive pressure sensor in high-pressure and high-temperature environment. In order to prove the method, a piezoresistive pressure sensor (HPTSS) is designed. With the purpose of increasing sensitivity and to improve the measurement range, the piezoresistive sensor adopts rectangular membrane and ...
Kholiya Kuldeep K Department of Applied Science, B.T. Kumaon Institute of Technology, Dwarahat 263653, - - 2014
A simple theoretical model is developed to study the high pressure behavior of solids and is applied to evaluate the pressure for MgO in case of large compression along with Shanker, Tait, Vinet, and Birch-Murnaghan equation of states (EOSs). These EOSs are also tested for the basic requirements revealed from ...
Ribezzo Sara S 0000-0002-4501-9851 School of Nursing, University of Trieste, 34100 Trieste, - - 2014
Introduction. Noninvasive blood pressure (NIBP) monitoring methods are widely used in critically ill patients despite poor evidence of their accuracy. The erroneous interpretations of blood pressure (BP) may lead to clinical errors. Objectives. To test the accuracy and reliability of aneroid (ABP) and oscillometric (OBP) devices compared to the invasive ...
Bruhn Brandon R BR Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, United States of - - 2014
This paper describes osmotically-driven pressure generation in a membrane-bound compartment while taking into account volume expansion, solute dilution, surface area to volume ratio, membrane hydraulic permeability, and changes in osmotic gradient, bulk modulus, and degree of membrane fouling. The emphasis lies on the dynamics of pressure generation; these dynamics have ...
Inoue Akiomi A Department of Mental Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan, Kitakyushu, - - 2014
Recent epidemiological research in Europe has reported that two groups of job demands, i.e., challenges and hindrances, are differently associated with work engagement. The purpose of the present study was to replicate the cross-sectional association of workload and time pressure (as a challenge) and role ambiguity (as a hindrance) with ...
Nicolay Pascal P Carinthian Tech Research (CTR AG), Villach/St. Magdalen 9524, Austria. - - 2014
This paper will discuss the results obtained with a first prototype of a completely passive and wireless low pressure sensor. The device is a heat conductivity gauge, based on a wireless and passive SAW temperature sensor. The required heating energy is applied to the sensor using inductive coupling. The prototype ...
O'Neal Pamela V - - 2014
Removal of secretions from the subglottic space, which is the larynx cavity below the glottis that contains the vocal cords, reduces the risk for ventilator associated pneumonia. Relationships between factors associated with subglottic secretion volume and viscosity have not been investigated. Subglottic secretions may have a possible link with systemic ...
Travers-Trolet Morgane M IFREMER, Fisheries Laboratory, Boulogne sur Mer, - - 2014
The effects of climate and fishing on marine ecosystems have usually been studied separately, but their interactions make ecosystem dynamics difficult to understand and predict. Of particular interest to management, the potential synergism or antagonism between fishing pressure and climate forcing is analysed in this paper, using an end-to-end ecosystem ...
Fuchizaki Kazuhiro K Department of Physics, Ehime University, Matsuyama 790-8577, - - 2013
The low-pressure crystalline phase of a molecular crystal, SnI4, has a rising melting curve that breaks abruptly at around 1.5 GPa, beyond which it becomes almost flat, with a slight maximum at about 3 GPa. Although the overall aspect of this melting curve can be captured by the Kumari-Dass-Kechin equation, ...
Wu Ping P Department of Thermal Science and Energy Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230027, China. - - 2013
We present an off-the-shelf device combined with some commercial adapters that performs as a micro droplet generator. The advantage of this unit lies in that it is assembled conveniently, connected elegantly with other droplet detection equipment, and it is high-pressure enduring. Most importantly, this Micro-Cross circumvents the problem of hydrophilicity ...
Goessler Karla Fabiana KF a Department of Physical Education, Physical Education and Sports Center, State University of Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, CEP 86051-990, Londrina-PR, - - 2014
The aim of this study was to determine whether exercise training combined with beta-blocker treatment promotes additional cardiovascular benefits compared with either intervention on its own. For this we used 76 Wistar rats distributed among different groups: normotensive sedentary (NS), normotensive trained (NT), normotensive sedentary treated with beta-blocker (NS_BB), normotensive ...
Engelhard Georg H GH Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, NR33 0HT, - - 2013
Globally, spatial distributions of fish stocks are shifting; but although the role of climate change in range shifts is increasingly appreciated, little remains known of the likely additional impact that high levels of fishing pressure might have on distribution. For North Sea cod we show for the first time and ...
Ye Rui R State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, - - 2013
Chondrocytes integrate numerous microenvironmental cues to mount physiologically relevant differentiation responses, and the regulation of mechanical signaling in chondrogenic differentiation is now coming into intensive focus. To facilitate tissue engineered chondrogenesis by mechanical strategy, a thorough understanding about the interactional roles of chemical factors under mechanical stimuli in regulating chondrogenesis ...
Liang Sai - - 2013
China's unprecedented change offers a unique opportunity for uncovering relationships between economic growth and environmental pressure. Here we show the trajectories of China's environmental pressure and reveal underlying socioeconomic drivers during 1992-2010. Mining and manufacturing industries are the main contributors to increasing environmental pressure from the producer perspective. Changes in ...
Dean Sally C SC Population Health Sciences and Education, St George's, University of London, London, - - 2013
Although practice nurses are increasingly involved in hypertension management, there is little robust evidence of effectiveness.Objective. To evaluate the effect of a specialist nurse-led hypertension clinic with consultant backup on change in systolic blood pressure. Randomized trial. Two inner city general practices.Participants.Three hundred and fifty-three patients, mean age 62 years ...
Gee Marianne E ME Departments of aPublic Health Sciences bEmergency Medicine cFamily Medicine dSchool of Kinesiology and Health Studies, Queen's University, Kingston, Ontario eDepartments of Medicine, Community Health Sciences and of Physiology and Pharmacology, Libin Cardiovascular Institute, University of Calgary, Calgary, - - 2013
The aim of this study was to estimate the validity of self-reported blood pressure control and medication use in people with hypertension, with and without diabetes. In a sample of 161 patients with hypertension in a family health team in Ontario, we applied questions from the 2009 Survey on Living ...
Tomas-Navarro Maria - - 2013
The effect of two technological treatments on orange juice flavanone bioavailability in humans was assessed. Processing affected flavanone solubility and particle size of the cloud. Volunteers were stratified in high, medium, and low urinary excretion capabilities. Flavanones from high pressure homogenized juice showed better absorption than those of conventional pasteurized ...
Wiklendt Lukasz - - 2013
Contractions and relaxations of the muscle layers within the digestive tract alter the external diameter and the internal pressures. These changes in diameter and pressure move digesting food and waste products. Defining these complex relationships is a fundamental step for neurogastroenterologists to be able define normal and abnormal gut motility. ...
Raza Zamaan Z Institut de Minéralogie et de Physique des Milieux Condensés (IMPMC), Université Pierre et Marie Curie, 4 place Jussieu, 75252 Paris cedex 05, - - 2013
Carbon monoxide and nitrogen are among the potentially interesting high-energy density materials. However, in spite of the physical similarities of the molecules, they behave very differently at high pressures. Using density functional theory and structural prediction methods, we examine the ability of these systems to combine their respective properties and ...
Epelbaum Thomas T Institut de Physique Théorique, CEA/Saclay, 91191 Gif sur Yvette Cedex, - - 2013
The early stages of high energy heavy ion collisions are studied in the color glass condensate framework, with a real-time classical lattice simulation. When increasing the coupling constant, we observe a rapid increase of the ratio of longitudinal to transverse pressure. The transient regime that precedes this behavior is of ...
Moulton Steven L - - 2013
Hemorrhage is a leading cause of traumatic death. We hypothesized that state-of-the-art feature extraction and machine learning techniques could be used to discover, detect, and continuously trend beat-to-beat changes in arterial pulse waveforms associated with the progression to hemodynamic decompensation. We exposed 184 healthy humans to progressive central hypovolemia using ...
Zhao Qili Q Tianjin Key Laboratory of Intelligent Robotics, Nankai University, Tianjin 300071, - - 2013
This paper presents a novel micropipette aspiration (MA) method based on a common pneumatic micro-injection system. This method is the first to quantify the influence of capillary effect on aspiration pressure using a balance pressure model, and in return, uses the capillary effect to quantify the aspiration pressure. Subsequently, the ...
Goldin Matías A MA Laboratorio de Sistemas Dinámicos, IFIBA y Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 1, Ciudad Universitaria, Buenos Aires, - - 2013
We studied the pressure patterns used by domestic canaries in the production of birdsong. Acoustically different sound elements ("syllables") were generated by qualitatively different pressure gestures. We found that some ubiquitous transitions between syllables can be interpreted as bifurcations of a low dimensional dynamical system. We interpreted these results as ...
Plantier F F Univ Pau & Pays Adour, CNRS, TOTAL - UMR 5150 - LFC-R - Laboratoire des Fluides Complexes et leurs Réservoirs, BP 1155 - PAU, F-64013, - - 2013
A novel prototype of calorimetric cell has been developed allowing experiments under pressure with an in situ agitation system and a dynamic control of the pressure inside the cell. The use of such a system opens a wide range of potential practical applications for determining properties of complex fluids in ...
Tripathi D - - 2013
This article studies theoretically the transportation of rheological viscoplastic fluids through physiological vessels by continuous muscle contraction and relaxation, that is, peristalsis. Both cases of planar and cylindrical physiological vessels are considered. A mathematical model is developed under long wavelength and low Reynolds number approximations. Expressions for axial velocity in ...
Sebo Paul - - 2013
To evaluate the accuracy of blood pressure (BP) measurements performed by primary care physicians (PCPs), and to assess whether it improves following a short theoretical training. Observational study in 26 primary care practices in Geneva, Switzerland. The PCPs were asked to measure BP on 10 volunteers, within the usual context ...
Ahmed Afsana - - 2013
Volumetric hydrogen capacity remains one of the most challenging criteria for on-board hydrogen storage system requirements. Here a new concept for hydrogen storage of porous aromatic frameworks (PAFs) impregnated with lithium-decorated fullerenes (Li6C60), is described. The loading of Li6C60 and the effect on adsorption of hydrogen (H2) has been investigated ...
Patel Vinay Kumar - - 2013
In this work we demonstrate the development of high-performance nanothermite composites derived from super-reactive CuO nanorods oxidizers fabricated by simple biogenic routes using Aloe vera plant extracts. Nanorods of various length-scales have been realized via simple sonoemulsion and solid-state biosynthesis routes using Aloe vera gel as a green surfactant promoting ...
Křížek Martin M Faculty of Agriculture, Department of Applied Chemistry, University of South Bohemia, Branišovská 31a, 370 05 České Budějovice, Czech Republic. Electronic address: - - 2014
The effects of vacuum packaging followed by high pressure processing on the shelf-life of fillets of pike (Esox lucius) were examined. Samples were pressure-treated at 300 and 500MPa and stored at 3.5 and 12°C for up to 70days. The content of eight biogenic amines (putrescine, cadaverine, spermidine, spermine, histamine, tyramine, ...
He Guizhen - - 2013
In China, rural chemical SMEs are often believed to still largely operate below the sustainability radar. This paper investigates to what extent and how chemical SMEs are already experiencing pressure to improve their environmental performance, using an in-depth case study in Jasmine County, Hebei province. The results show that local ...
Fernández L F - - 2013
To study Rosmarinus officinalis (Rosemary) essential oil effect on primary hypotension and its influence on both physical and psychological aspects responsible of health-related quality of life (HRQOL) of patients. Thirty-two patients with diagnosed hypotension were recruited between March 2007 and September 2008 for a prospective study for 72 weeks in ...
Sousa Sílvia G SG QOPNA, Departamento de Química, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, - - 2014
Human milk, and particularly human colostrum, is the gold standard for newborn nourishment. Colostrum contains the highest concentration of immune factors, being the most potent immune booster known to science. In this work, we investigated Holder pasteurisation and high-pressure processing (HPP) effects on colostral IgA, IgM, IgG, lysozyme and lactoperoxidase. ...
Sondergaard Soren - - 2013
Hemodynamic management of critically ill patients in the ICU or high-risk patients in the operating room has paradoxically shown progress in terms of outcome after the systematic application of volume responsiveness/flow optimization based on pulse pressure variation and/or stroke volume variation during controlled, positive-pressure ventilation in patients without spontaneous respiratory ...
Bedo Joan - - 2013
During 2009, Maidstone and Tunbridge Wells NHS Trust reviewed its pressure ulcer prevention strategy; this included patient interventions and equipment provision. Standard hospital mattresses were requiring replacement and dynamics were used frequently, while the overall prevalence of pressure damage remained high. Replacing the standard foam mattress with a non-powered pressure-redistributing ...
Shah Bimal R - - 2013
Background-Despite the widespread availability of effective and affordable therapies, hypertension remains this country's most significant modifiable cardiovascular risk factor. Approximately 30% to 50% of individuals with hypertension currently fail to reach guideline-recommended target blood pressure (BP) goals. Although multiple interventions have been proposed to affect better hypertension control, the integration ...
North Frederick - - 2013
Abstract Telemedicine practitioners are familiar with multiple barriers to delivering care at a distance. Licensing and reimbursement barriers are well known and are being addressed at national and state levels by the American Telemedicine Association. Another telemedicine barrier comes in the form of quality measures for diabetes. Minnesota medical practices ...
Sanloup Chrystèle - - 2013
Silicate liquids play a key part at all stages of deep Earth evolution, ranging from core and crust formation billions of years ago to present-day volcanic activity. Quantitative models of these processes require knowledge of the structural changes and compression mechanisms that take place in liquid silicates at the high ...
Wiebke Jonas - - 2013
Putting the bite on argon: Ab initio Monte Carlo simulations of superheated argon crystals at up to 100 GPa suggest that theory can provide a more accurate picture of high-pressure melting than modern diamond-anvil cell experiments.
1 2 3 4 5 6 7 8 9 10 >