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Couque Hervé H Nexter Munitions, 7 route de Guerry, 18023 Bourges, France - - 2014
The influence of strain rate over domains involving the thermal activation and the viscous drag behaviour of the dislocations is discussed. While it is recognized that the Koslky-Hopkinson technique or split Hopkinson pressure bar technique can generate data up to the upper strain-rate limit of the thermal-activated regime, it is ...
Brown Alastair A University of Southampton, Ocean and Earth Science, European Way, Southampton, SO14 3ZH, - - 2014
Changing climate is predicted to impact all depths of the global oceans, yet projections of range shifts in marine faunal distributions in response to changing climate seldom evaluate potential shifts in depth distribution. Marine ectotherms' thermal tolerance is limited by their ability to maintain aerobic metabolism (oxygen- and capacity-limited tolerance), ...
Vander Voort George Frederic GF 1Consultant,2887 N. Southern Hills Drive,Wadsworth,IL - - 2014
A microstructural characterization study was performed on high-pressure die cast specimens extracted from escalator steps manufactured from an Al-12 wt.% Si alloy designed for structural applications. Black and white, color light optical imaging and scanning electron microscopy techniques were used to conduct the microstructural analysis. Most regions in the samples ...
Xing Yanlong Y Institute of Unconventional Hydrocarbon and New Energy Sources, China University of Petroleum (East China), Qingdao 266580, - - 2014
The quantum sieving effect of H2/D2 at 77 K on commercially available carbon molecular sieves (1.5GN-H and 3KT-172) was studied. An exceptional reverse kinetic quantum effect is observed on 1.5GN-H where D2 diffuses much faster than H2 with a ratio of up to 5.83 at low pressure, and the difference ...
Gora Shayana S Department of Pharmaceutics, Faculty of Pharmacy, Hamdard University , Hamdard Nagar, New Delhi , - - 2014
Abstract Purpose: The purpose of the present study was to formulate and evaluate nanosuspension of Valsartan (VAL), a poorly water soluble and low bioavailable drug (solubility of 0.18 mg mL(-1); 23% of oral bioavailability) with the aim of improving the aqueous solubility thus the bioavailability and consequently better anti-hypertensive activity. Methods: Valsartan ...
Mayser Matthias J MJ *Microfluidics, Department of Aerospace and Mechanical Engineering, University of Liege, Chemin des Chevreuils 1, 4000 Liege, Belgium; Nees Institute for Biodiversity of Plants, University of Bonn, Venusbergweg 22, 53115 Bonn, Germany*Microfluidics, Department of Aerospace and Mechanical Engineering, University of Liege, Chemin des Chevreuils 1, 4000 Liege, Belgium; Nees Institute for Biodiversity of Plants, University of Bonn, Venusbergweg 22, 53115 Bonn, Germany*Microfluidics, Department of Aerospace and Mechanical Engineering, University of Liege, Chemin des Chevreuils 1, 4000 Liege, Belgium; Nees Institute for Biodiversity of Plants, University of Bonn, Venusbergweg 22, 53115 Bonn, Germany - - 2014
Superhydrophobic, hierarchically structured, technical surfaces (Lotus-effect) are of high scientific and economic interest because of their remarkable properties. Recently, the immense potential of air-retaining superhydrophobic surfaces, for example, for low-friction transport of fluids and drag-reducing coatings of ships has begun to be explored. A major problem of superhydrophobic surfaces mimicking ...
Peeters Harry Huiz HH Laser Research Center, Cihampelas 41, Bandung, West Java, 40116, Indonesia, - - 2014
The use of Er,Cr:YSGG laser to activate irrigants results in the creation of vapour bubbles and shockwaves. The present study evaluated the magnitude of pressure changes in the root canal during laser-activated irrigation. The root canal of a single extracted maxillary canine was enlarged to a size 40/0.06 file. A ...
van Hulst Robert A RA Head, Research on Hyperbaric and Diving Medicine, Academic Medical Center, H1-158 Anesthesiology, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands, E-mail: - - 2014
There are many ways to treat decompression illness (DCI) at increased pressure. In the last 20 years much has been published on the use of oxygen and helium/oxygen mixtures at different depths. The type of information ranges from impressive work on animals, case reports, small series of case reports and, ...
Grubbs S Lee SL Department of Endodontics, University of Alabama at Birmingham, Birmingham, - - 2014
The intrapulpal (IP) injection technique is 1 of several ways of obtaining profound anesthesia. There is evidence to suggest that pressure is the primary factor in obtaining anesthesia using IP injection. This is an ex vivo comparison of pressures within dental pulp space using the conventional anesthetic technique versus a needle-mounted ...
Huynh Hung So - - 2014
The effect of hydrostatic pressure on 6 μL air bubbles formed on micropillar structured PDMS and silicone surfaces using a 2 mm diameter stainless steel tip retreated at 1 mm/s was investigated. Dimensional analysis of the tip retraction process showed the experiments to be conducted in the condition where fluid ...
Lopes Marlene M Center of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, - - 2014
In industrial biotechnology, microbial cultures are exposed to different local pressures inside bioreactors. Depending on the microbial species and strains, the increased pressure may have detrimental or beneficial effects on cellular growth and products formation. In this review, the effects of increased air pressure on various microbial cultures growing in ...
Podichetty Jagdeep T JT School of Chemical Engineering, Oklahoma State University, 423 Engineering North, Stillwater, OK, 74078, - - 2014
The goal of this study was to better understand how analytical permeability models based on scaffold architecture can facilitate a non-invasive technique to real time monitoring of pressure drop in bioreactors. In particular, we evaluated the permeability equations for electrospun and freeze dried scaffolds via pressure drop comparison in an ...
Tiong T Joyce TJ Manufacturing and Industrial Processes Research Division, Faculty of Engineering, University of Nottingham Malaysia Campus, 43500 Semenyih, Selangor, Malaysia. Electronic address: - - 2014
One of the uses of ultrasound in dentistry is in the field of endodontics (i.e. root canal treatment) in order to enhance cleaning efficiency during the treatment. The acoustic pressures generated by the oscillation of files in narrow channels has been calculated using the COMSOL simulation package. Acoustic pressures in ...
Leschowski M M IVG, Institute for Combustion and Gas Dynamics-Reactive Fluids, and CENIDE, Center for Nanointegration Duisburg-Essen, University of Duisburg-Essen, 47048 Duisburg, - - 2014
Studying soot particle morphology in high-pressure flames via thermophoretic sampling critically depends on sampling precision, speed, and reproducibility. This is mainly limited by the challenges of applying pneumatically driven devices for burner chamber pressures higher than the pneumatic pressure. We present a pneumatically driven device for high-pressure applications up to ...
Haapasalo Markus M Division of Endodontics, Department of Oral Biological and Medical Sciences, Faculty of Dentistry, The University of British Columbia, Vancouver, Canada. Electronic address: - - 2014
This study aimed to evaluate the effectiveness of a novel Multisonic Ultracleaning System (Sonendo Inc, Laguna Hills, CA) in tissue dissolution in comparison with conventional irrigation devices. Pieces of bovine muscle tissue (68 ± 2 mg) were placed in 0.7-mL test tubes (height: 23.60 mm, inner diameter: 6.00 mm, outer diameter: ...
Martis Vladimir V Netherlands Organisation for Scientific Research (NWO), Dutch-Belgium Beamline, European Synchrotron Radiation Facility, BP 220, 6 Rue Jules Horowitz, 38043 Grenoble, - - 2014
A high-pressure gas rig for in situ catalytic reactions at X-ray absorption spectroscopy beamline (BM26A) has been developed. The rig enables catalysts to be studied in a variety of cells under well controlled and industrially relevant operation conditions. A large variety of gas mixtures can be generated and pressures of ...
Leong Xin-Fang XF 0000-0002-3838-9141 Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia ; Department of Clinical Oral Biology, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, - - 2014
This review is to examine the current literatures on the relationship between periodontitis and hypertension as well as to explore the possible biological pathways underlying the linkage between these health conditions. Hypertension is one of the major risk factors for cardiovascular diseases. Oxidative stress and endothelial dysfunction are among the ...
Svetovoy Vitaly B VB 1] MESA+ Institute for Nanotechnology, University of Twente, PO 217, 7500 AE Enschede, The Netherlands [2] Institute of Physics and Technology, Yaroslavl Branch, Russian Academy of Sciences, 150007, Yaroslavl, - - 2014
Microsystems become part of everyday life but their application is restricted by lack of strong and fast motors (actuators) converting energy into motion. For example, widespread internal combustion engines cannot be scaled down because combustion reactions are quenched in a small space. Here we present an actuator with the dimensions ...
Tan Qiulin Q Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, North University of China, Tai Yuan 030051, China. - - 2014
In response to the growing demand for in situ measurement of pressure in high-temperature environments, a high temperature capacitive pressure sensor is presented in this paper. A high-temperature ceramic material-alumina is used for the fabrication of the sensor, and the prototype sensor consists of an inductance, a variable capacitance, and ...
Swartz Harold M HM EPR Center for the Study of Viable Systems, The Geisel School of Medicine at Dartmouth, Lebanon, NH, 03766, USA, - - 2014
EPR oximetry, which enables reliable, accurate, and repeated measurements of the partial pressure of oxygen in tissues, provides a unique opportunity to investigate the role of oxygen in the pathogenesis and treatment of several diseases including cancer, stroke, and heart failure. Building on significant advances in the in vivo application ...
Lombardo-Earl Galia G Programa de Doctorado en Ciencias Biológicas y de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana Iztapalapa, 09340 México, DF, Mexico ; Centro de Investigación Biomédica del Sur (CIBIS-IMSS), Argentina 1, Colonia Centro, 62790 Xochitepec, MOR, - - 2014
Sechium edule is traditionally used in Mexico as a therapeutic resource against renal diseases and to control high blood pressure. The purpose of this work is to evaluate the antihypertensive effect of the hydroalcoholic extract obtained from the roots of this plant, including its fractions and subfractions, on different hypertension ...
Bera Tushar Kanti TK Department of Computational Science and Engineering, Yonsei University, Seoul 120-749, Korea. - - 2014
When we use a conductive fabric as a pressure sensor, it is necessary to quantitatively understand its electromechanical property related with the applied pressure. We investigated electromechanical properties of three different conductive fabrics using the electrical impedance spectroscopy (EIS). We found that their electrical impedance spectra depend not only on ...
Checchi Luigi - - 2014
The interdental pressure index (IPI) is introduced to specifically evaluate clinical interproximal-tissue conditions and assess the effect of interproximal hygiene stimulation. This index scores clinical responses of periodontal tissues to the apical pressure of a horizontally placed periodontal probe. It is negative when gingival tissues are firm, bleeding-free, and slightly ...
Wang Chen C State Key Laboratory of Military Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, P. R. - - 2014
To investigate the effect of air-drying pressure during ceramic primer coating on zirconia/resin bonding and the surface characteristics of the primed zirconia. Two ceramic primers (Clearfil Ceramic Primer, CCP, Kuraray Medical Inc. and Z-Prime Plus, ZPP, Bisco Inc.) were applied on the surface of air-abraded zirconia (Katana zirconia, Noritake) and ...
Noisser Theresa - - 2013
We report the synthesis of monolithic porous hybrid organic-inorganic materials based on tetraethoxysilane (TEOS) and a bifunctional precursor synthesized from 3-aminopropyltriethoxysilane (APTES) and 3-glycidoxypropyltrimethoxysilane (GLYMO) via base catalysis. To compensate for the slower hydrolysis and condensation rate of the organically modified silane in basic media, it was prehydrolysed prior to ...
Feitosa Vp - - 2013
To evaluate the effects of two methods to simulate physiologic pulpal pressure on the dentine bonding performance of two all-in-one adhesives and a two-step self-etch silorane-based adhesive by means of microtensile bond strength (μTBS) and nanoleakage surveys. The self-etch adhesives (G-Bond Plus [GB], Adper Easy Bond [EB] and Silorane adhesive ...
Sibille Nathalie - - 2013
Among other perturbations, high hydrostatic pressure has proven to be a mild yet efficient way to unfold proteins. Combining pressure perturbation with NMR spectroscopy allows for a residue-per-residue description of folding reactions. Accessing the full power of NMR spectroscopy under pressure involves the investigation of conformational sampling using orientational restraints ...
Trapp Marcus - - 2013
The effects of high hydrostatic pressure on the structure and dynamics of model membrane systems were investigated using neutron scattering. Diffraction experiments show shifts of the pre- and main-phase transitions of multilamellar vesicles of 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) to higher temperatures with increased pressure which are close to results observed previously by ...
Tourah Anita - - 2013
Surface roughness and irregularities are important properties of dental investment materials that can affect the fit of a restoration. Whether setting under air pressure affects the surface irregularities of gypsum-bonded and phosphate-bonded investment materials is unknown. The purpose of this study was to investigate the effect of air pressure on ...
Abbaspourrad Alireza - - 2013
We introduce a facile approach for the production of gas-filled microcapsules designed to withstand high pressures. We exploit microfluidics to fabricate water-filled microcapsules that are then externally triggered to become gas-filled, thus making them more echogenic. In addition, the gas-filled microcapsules have a solid polymer shell making them resistant to ...
Weng Qunhong - - 2013
That's below the belt: Porous BCNO materials with tunable ultra-narrow pore widths (0.4-1.1 nm) were prepared and investigated with regard to H2 storage. The as-prepared samples show similar belt-like morphologies, chemical compositions, surface areas, and pore volumes. The difference in H2 sorption behavior for the materials reveals that a narrower pore ...
Xin Huolin L - - 2013
The understanding of solid-gas interactions has been greatly advanced over the past decade on account of the availability of high-resolution transmission electron microscopes (TEMs) equipped with differentially pumped environmental cells. The operational pressures in these differentially pumped environmental TEM (DP-ETEM) instruments are generally limited up to 20 mbar. Yet, many ...
Hasell Tom - - 2013
A chemoselective spectroscopic method for measuring CO2 sorption isotherms at pressures up to 14 MPa (140 bar) is validated against manometric measurements and molecular simulations, giving insights into the preferred sorption sites in various crystalline porous organic cages.
Mishra Prashant - - 2013
Structural transformation of MIL-53(Al) metal organic framework from large pore to narrow pore form (lp → np) or vice versa is known to occur by adsorption of certain guest molecules, by temperature change or by applying mechanical pressure. In this work, we perform a systematic investigation to demonstrate that adsorbent ...
Southerland Janet H - - 2013
Periodontal disease, hypertension, and blood pressure among older adults in Puerto Rico. Rivas-Tumanyan S, Campos M, Zevallos JC, Joshipura KJ. J Periodontol 2013;84:203-11. Janet H. Southerland, DDS, MPH, PhD PURPOSE/QUESTION: To determine the association between clinically measured periodontal disease and clinically assess hypertension in a representative sample of elderly Puerto ...
Amoian Babak - - 2013
Changes in pulse rate and blood pressure are common consequences during oral surgeries. Hypoxia during surgical process is another side effect. The objective of the present study was evaluation of blood hemoglobin oxygenation and hemodynamic changes during periodontal surgery. This clinical trial study was conducted upon 50 subjects aged 30-55 ...
Li Yu - - 2013
Abstract To overcome the limitations of the conventional particle size reduction technologies, a novel combinative particle size reduction method for the effective production of homogeneous nanosuspensions was investigated. Ursodeoxycholic acid, a poorly soluble drug representative, was tried to prepare nanosuspension by homogenization technology and high-pressure precipitation tandem homogenization technology. It ...
Mandal Manik - - 2013
Over the last two decades, researchers have studied extensively the synthesis of mesostructured materials, which could be useful for drug delivery, catalytic cracking of petroleum, or reinforced plastics, among other applications. However, until very recently researchers used only temperature as a thermodynamic variable for synthesis, completely neglecting pressure. In this ...
Le Ngoc Tuan - - 2013
This work aimed at understanding the combined effect of sludge pH, temperature, and external pressure on the efficiency of sewage sludge ultrasound (US) pretreatment. Based on the evolution of both the degree of sludge disintegration (DDCOD) and pH, application of 40 mgNaOH/gTS during 30 min was selected for chemical pretreatment. Mechanical and ...
Panozzo Agnese - - 2013
The effect of high pressure homogenisation (HPH) on structure (Bostwick consistency, particle size distribution and microstructure) and carotenoid in vitro bioaccessibility of different tomato pulps was investigated. HPH decreased tomato particle size due to matrix disruption and increased product consistency, probably due to the formation of a fibre network. Homogenisation ...
Roche Julien - - 2013
The impact of pressure on the backbone (15) N, (1) H and (13) C chemical shifts in N-terminally acetylated α-synuclein has been evaluated over a pressure range 1-2500 bar. Even while the chemical shifts fall very close to random coil values, as expected for an intrinsically disordered protein, substantial deviations ...
Ildyakov Andrey V - - 2013
Solubility of helium in ice Ih has been examined both experimentally and theoretically. It has been demonstrated that the calculations are in good accord with the experimental data. The tested calculation method has been used for deriving helium solubility in ice Ih at pressures up to 2000 bar and temperatures ...
Vidal Fábio - - 2013
AIM: To evaluate the effects of non-surgical periodontal treatment on left ventricular mass (LVM), arterial stiffness, systolic and diastolic blood pressure and plasma levels of inflammatory markers (C-reactive protein (CRP), fibrinogen and interleukin-6) in refractory hypertension patients. MATERIAL AND METHODS: This interventional prospective cohort pilot study included 26 patients (53.6 ± 8.0 years ...
Rahimi Yazdi Saeed - - 2013
Curcumin is a bioactive polyphenolic compound extracted from turmeric with known anti-inflammatory properties, and its hydrophobic nature restricts its solubility and its bioaccessibility. Solubility may be improved upon binding of curcumin to native or treatment-modified casein micelles. The present work demonstrated that high hydrostatic pressure treatment of skim milk increases ...
Lv Junjun - - 2013
In order to reduce the volume of exploding initiator system, a metal foil spark gap switch was designed and fabricated using magnetron sputter deposition and standard microelectronic technology. The switch constitutes of two main electrodes and a trigger electrode, and stylus profiler was employed to ascertain dimension of the switch. ...
Tateiwa Naoyuki - - 2013
Two modifications have been made to a miniature ceramic anvil high pressure cell (mCAC) designed for magnetic measurements at pressures up to 12.6 GPa in a commercial superconducting quantum interference (SQUID) magnetometer [N. Tateiwa et al., Rev. Sci. Instrum. 82, 053906 (2011); ibid. 83, 053906 (2012)]. Replacing the Cu-Be piston ...
Chen Ziyang - - 2013
Scutellariae radix (SR, from the roots of Scutellaria baicalensis Georgi) is thought to regulate blood pressure. In this study, HPLC-based purification coupled with MS, NMR analysis revealed that baicalin, a major flavone in SR, stimulates endothelial NO generation, suggesting its potential as an ingredient in medicinal food and beverage to ...
Jaffari S - - 2013
Understanding and controlling powder de-agglomeration is of great importance in the development of Dry Powder Inhaler (DPI) products. Dry dispersion laser diffraction measures particle size readily under controlled dispersing conditions, but has not been exploited fully to characterise inherent powder dispersibility. The aim of the study was to utilise particle ...
Khan Sara - - 2013
Injection of sodium hypochlorite (NaOCl) from the root canal into periapical tissues may result in a NaOCl incident. The purpose of this study was to examine the fluid pressure generated by canal cleansing devices at the apical interface, when the tip of the irrigation device was not binding to the ...
Kurniasih Budiastuti - - 2013
This paper concerns tolerance to 50-200 mM NaCl of submerged rice (Oryza sativa cv. Amaroo) during germination and the first 138-186 h of development, in aerated solution. Rice was able to germinate and the seedlings even tolerated exposure to 200 mM NaCl, albeit with severe growth restrictions. After return to ...
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