Search Results
Results 1 - 50 of 1080
1 2 3 4 5 6 7 8 9 10 >
Painhas Teresa T Department of Ophthalmology, Centro Hospitalar entre Douro e Vouga , Santa Maria da Feira , Portugal - - 2014
Abstract We report a case of a 54-year-old woman presented at the emergency service with complaints of transitory visual obscurations for four days, and headache, nausea and occasional vomiting in the last two months. She had been diagnosed of colorectal cancer one year ago and she was on treatment with ...
Souza Juliana A JA MD in Human Communication Disorders, Physiotherapist, Research Group Orofacial Motricity Laboratory, Department of Speech Therapy, Postgraduate Program of Human Communication Disorders of Federal University of Santa Maria, Santa Maria, RS, Brazil. Electronic address: - - 2014
The aim of this study was to evaluate body posture and the distribution of plantar pressure at physiologic rest of the mandible and during maximal intercuspal positions in subjects with and without temporomandibular disorder (TMD). Fifty-one subjects were assessed by the Diagnostic Criteria for Research on Temporomandibular Disorders and divided ...
Park Sangeun - - 2014
When vertically aligned carbon nanotubes (VACNTs) are synthesized by thermal chemical vapor deposition (TCVD), their structural features such as height and density can be determined by TCVD growth conditions. In this study we investigated the effect of growth pressure on the structural features of VACNTs. Changes in growth pressure significantly ...
Sakaguchi Yui Y Graduate School of Material Science, University of Hyogo, 3-2-1 Koto Hyogo 678-1297, - - 2014
We have investigated the electronic states of single-crystal CaFe2As2 under hydrostatic pressure using (57)Fe Mössbauer spectroscopy and magnetization measurements. The center shift and the quadrupole splitting were refined from observed (57)Fe Mössbauer spectra using the single-crystalline sample under pressure at room temperature. A discontinuous decrease in the pressure dependence of ...
Dreger Zbigniew A - - 2014
Raman spectroscopy was used to examine the vibrational and polymorphic behavior of 1,1-diamino-2,2-dinitroethene (FOX-7) to elucidate its structural and chemical stability under high pressure. Measurements were performed on single crystals compressed in a diamond anvil cell, and data were obtained over the entire frequency range of FOX-7 Raman activity. Several ...
Hoiland Harald - - 2014
Partial molar volumes and partial molar compressibilities of aqueous solutions of sodium dodecyl sulfate (SDS) and 1-hexanol at pressure up to 140 MPa have been determined. For aqueous SDS solutions the partial molar compressibility increases with pressure below the cmc, and decreases with pressure above the cmc. The partial molar ...
Silveira-Souto M-L ML Claudio Batista Street no number, Cidade Nova Aracaju, Sergipe, Brazil - - 2014
Objectives: The aim of the present study was to evaluate the effect of Erythrinamulunguon the control of dental anxiety in patients who had under gone bilateral extraction of asymptomatic, impacted mandibular third molars. Material and Methods: In a randomized, double-blind, crossover study, 30 healthy volunteers (5 men and 25 women, ...
Maxfield Lynn L National Center for Voice and Speech, University of Utah , Salt Lake City, UT , - - 2014
The use of semi-occluded vocal tract (SOVT) exercises as habilitative and rehabilitative tools has grown substantially in the past two decades. As the use of these exercises has grown, so too has the number of variations of the phonatory gestures used to create oral semi-occlusions. While much of the research ...
Sheets H David HD Department of Physics, Canisius College, 2001 Main Street, Buffalo, NY, - - 2014
Friction ridge impression appearance can be affected due to the type of surface touched and pressure exerted during deposition. Understanding the magnitude of alterations, regions affected, and systematic/detectable changes occurring would provide useful information. Geometric morphometric techniques were used to statistically characterize these changes. One hundred and fourteen prints were ...
Xu Wang W School of Mechanical Engineering, Liaoning Shihua University, Fushun, PR China. Electronic address: - - 2014
In this study, Grf/Al composite was fabricated by liquid pressure method. The diffusion layer and the nucleation and growth of Al4C3 were observed at the interface of Grf/Al composites by TEM and HRTEM. The growth mechanism of Al4C3 was analyzed in detail by crystallography theory. It was found that Al4C3 ...
Masanari Misa M Graduate School of Biosphere Science, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8528, - - 2014
Shewanella species live widely in deep-sea and shallow-water areas, and thus grow piezophilically and piezosensitively. Piezophilic and psychrophilic Shewanella benthica cytochrome c 5 (SB cytc 5) was the most stable against guanidine hydrochloride (GdnHCl) and thermal denaturation, followed by less piezophilic but still psychrophilic Shewanella violacea cytochrome c 5 (SV ...
Kempf Jennifer J Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, 8057 Zurich, - - 2014
Objective-To evaluate the effects of cisapride and metoclopramide hydrochloride administered orally on the lower esophageal sphincter (LES) resting pressure in awake healthy dogs. Animals-6 adult Beagles. Procedures-Each dog was evaluated after administration of a single dose of cisapride (0.5 mg/kg), metoclopramide (0.5 mg/kg), or placebo (empty gelatin-free capsule) in 3 ...
Li Jiang - - 2014
A diffusion-controlled method is presented to study the growth of bubbles on a solid surface. The bubbles are nucleated spontaneously on a hydrophobic smooth surface in response to a sudden pressure reduction, and then growing with an expanding contact line. The evolution of the bubbles in the early stage is ...
Loenneke J P JP Department of Health and Exercise Science, The University of Oklahoma, Norman, OK, USA. Electronic address: - - 2014
Blood flow restriction (BFR) alone or in combination with exercise has been shown to result in favorable effects on skeletal muscle form and function. The pressure applied should be high enough to occlude venous return from the muscle but low enough to maintain arterial inflow into the muscle. The optimal ...
Wang Jinqi - - 2014
We demonstrate a liquid metal-based reconfigurable terahertz (THz) metamaterial device that is not only pressure driven, but also exhibits pressure memory. The discrete THz response is obtained by injecting eutectic gallium indium (EGaIn) into a microfluidic structure that is fabricated in polydimethylsiloxane (PDMS) using conventional soft lithography techniques. The shape ...
Alkaabi Khalid - - 2014
The absence of a crystalline SiO phase under ordinary conditions is an anomaly in the sequence of group 14 monoxides. We explore theoretically ordered ground state and amorphous structures for SiO at P= 1atm, and crystalline phases also at pressures up to 200GPa. Several competitive ground state P= 1atm structures ...
Dal-Fabbro Cibele C Departamento de Psicobiologia, Universidade Federal de São Paulo - UNIFESP, Rua Napoleão de Barros, 925, Vila Clementino, São Paulo, SP, 04024-002, - - 2014
This study aims to compare the effects of a mandibular advancement device (MAD) with continuous positive airway pressure (CPAP) treatment for obstructive sleep apnea (OSA) on blood pressure (BP), oxidative stress, and heart rate variability (HRV) in a randomized, crossed-over, single-blind, and controlled trial. Twenty-nine moderate-to-severe adult OSA patients underwent ...
Al-Jadaa Anas A Department of Preventive Dentistry, Periodontology and Cariology, Center for Dental Medicine, University of Zurich, Plattenstrasse 11, 8032, Zurich, Switzerland, - - 2014
To validate a new automated dentine permeability testing platform based on pressure change measurements. A split chamber was designed allowing for concomitant measurement of fluid permeation and pressure difference. In a first test, system reliability was assessed by interposing a solid metal disk, embedded composite resin disks, or teeth by ...
Peng Qing Q Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, - - 2014
The self-interstitial atoms (SIAs) mediate the evolution of micro-structures which is crucial in understanding the instabilities of hexagonal close packed (HCP) structures. Taking zirconium as a prototype, we investigate the pressure effect on the stabilities of SIAs using first-principles calculations based on density-functional theory. We found that the pressure greatly ...
Raza Zamaan Z 1] Sorbonne Universités, UPMC Univ. Paris 06, UMR 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), F-75005 Paris, France [2] CNRS, UMR 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), F-75005 Paris, - - 2014
State of the art variable composition structure prediction based on density functional theory demonstrates that two new stoichiometries of PN, PN3 and PN2, become viable at high pressure. PN3 has a skutterudite-like Immm structure and is metastable with positive phonon frequencies at pressures between 10 and 100 GPa. PN3 is metallic ...
Palacio I - - 2013
We study how FeO wüstite films on Ru(0001) grow by oxygen-assisted molecular beam epitaxy at elevated temperatures (800-900 K). The nucleation and growth of FeO islands are observed in real time by low-energy electron microscopy (LEEM). When the growth is performed in an oxygen pressure of 10(-6) Torr, the islands are of ...
Abdar-Esfahani Morteza M Department of Cardiology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, IR - - 2014
Hypertension (HTN) is the most commonly encountered systemic disease in general population. Nutrient canals contain blood vessels and nerves that mostly appear in the anterior mandibular region. Nutrient canals are not detected in radiographs of all patients, and their normalcy is controversial by many investigators. The present study investigated the ...
Rahmani Ashkan - - 2013
Bicellar dispersions of chain perdeuterated 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC-d54), 1,2-dimyristoyl-sn-glycero-3-phospho-(1'-rac-glycerol) (DMPG), and 1,2-dihexanoyl-sn-glycero-3-phosphocholine (DHPC), with molar ratios (3:1:1), were studied using variable-pressure (2)H NMR at hydrostatic pressures up to 125 MPa. On warming, spectra at ambient pressure indicated a progressive coalescence from small bilayered disks undergoing isotropic reorientation to more extended micellar ...
Dewangan K N - - 2013
The apparent mass (AM) responses of human body seated on elastic seat, without and with a vertical back support, are measured using a seat pressure sensing mat under three levels of vertical vibration (0.25, 0.50 and 0.75 m/s(2) rms acceleration) in 0.50-20 Hz frequency range. The responses were also measured with a ...
Gritti Fabrice - - 2013
The influence of the modifier concentration in supercritical mixtures of carbon dioxide and methanol on the speed-resolution properties of columns packed with 1.7μm core-shell particles was investigated from a theoretical viewpoint. Molar fractions of methanol up to 30% were considered. The column was assumed to be operated under strict adiabatic ...
Chirumbolo Salvatore - - 2013
I read the recent article by Prof. Hansson about the inaccuracy of label on homeopathic drugs, to which I feel fully in agreement(1,2) ; however, labels should refer to a well known chemistry and pharmacology, from which homeopaths are used to fly off "quite aghast". Due to the formal absence ...
Kumar Kitu - - 2013
We demonstrate the chemical vapor deposition (CVD) growth of 2-lobed symmetrical curvilinear graphene domains specifically on Cu{100} surface orientations at atmospheric pressure. We utilize electron backscattered diffraction, scanning electron microscopy and Raman spectroscopy to determine an as-yet unexplored growth mode producing such a shape and demonstrate how its growth and ...
Fekete Szabolcs - - 2013
In this study, pressure induced changes in retention were measured for model peptides possessing molecular weights between ∼1 and ∼4kDa. The goal of the present work was to evaluate if such changes were only attributed to the variation of molar volume and if they could be estimated prior to the ...
Guerrero Hernando - - 2013
The pTx behavior of the binary mixtures n-hexane + isomeric chlorobutane has been studied over the whole composition range at temperatures between 283.15 and 323.15 K and pressures from 0.1 to 65.0 MPa. Experimental densities have been used to obtain different excess properties: excess molar volume, excess isobaric expansibility, excess ...
Kumar Pradeep P Center for Studies in Physics and Biology, Rockefeller University, New York, New York, USA. - - 2013
We have investigated the growth of Escherichia coli, a mesophilic bacterium, as a function of pressure (P) and temperature (T). Escherichia coli can grow and divide in a wide range of pressure (1-400 atm) and temperature (23-40°C). For T > 30°C, the doubling time of E. coli increases exponentially with ...
Le Merrer Marie - - 2013
In aqueous foams, the diffusive gas transfer among neighboring bubbles drives a coarsening process which is accompanied by intermittent rearrangements of the structure. Using time-resolved diffusing-wave spectroscopy, we probe the dynamics of these events as a function of the rigidity of the gas-liquid interfaces, liquid viscosity, bubble size, and confinement ...
Maeno Akihiro - - 2013
The utility of tyrosine/tyrosinate fluorescence for pressure-unfolding studies of Trp-lacking proteins has been explored for the first time, with chicken ovomucoid (OVM) as target. A newly developed fluorescence spectrometer working in the range 0.1-700MPa is employed for this purpose. At 25°C at pH12, all six Tyr residues give tyrosine emission ...
Yanagisawa Yukio Y Department of Rehabilitation, Health Insurance Naruto Hospital ; Graduate School of Rehabilitation, Kobe Gakuin - - 2013
[Purpose] The purpose of this study was to investigate the effect of expiratory resistance load on the tongue area encompassing the suprahyoid and genioglossus muscles. [Subjects] The subjects were 30 healthy individuals (15 males, 15 females, mean age: 28.9 years). [Methods] Magnetic resonance imaging was used to investigate morphological changes in ...
Liu Zhiwei - - 2013
A novel ultra-high pressure device, multilayer stagger-split die, has been constructed based on the principle of "dividing dies before cracking." Multilayer stagger-split die includes an encircling ring and multilayer assemblages, and the mating surfaces of the multilayer assemblages are mutually staggered between adjacent layers. In this paper, we investigated the ...
Ge Wanyin - - 2013
We report ambient pressure chemical vapor deposition (CVD) growth of single-crystalline NbS2 nanosheets with controlled orientation. On Si and SiO2 substrates, NbS2 nanosheets grow almost perpendicular to the substrate surface. However, when we apply transferred CVD graphene on SiO2 as a substrate, NbS2 sheets grow laterally lying on the graphene. ...
Heljo V P - - 2013
The objective of this study was to explore the effects of freeze drying parameters and formulation composition on polyclonal IgG stability during processing. Samples were freeze dried with different primary drying pressures and secondary drying heating rates. After drying, changes in IgG in vitro binding activity, monomer recovery and average ...
Revay Edita E - - 2013
The present study assessed the personal protection efficiency of seven commercially available mosquito control devices (MCD) under field conditions in Israel. Trials were performed in a high biting-pressure area inhabited by large populations of mosquito and biting midge species, using human volunteers as bait in landing catch experiments. Results show ...
Wang Yu - - 2013
High-pressure atom transfer radical polymerization (ATRP) of n-butyl acrylate (BA) is performed in acetonitrile (MeCN) with Cu(I) Br/TPMA [TPMA: tris(2-pyridylmethyl)-amine] as the catalyst up to 5 kbar. Increasing either pressure or temperature significantly enhances the rate of polymerization, while retaining control over the polymerization. The polymerizations under high pressure could ...
Henstock J R - - 2013
Mechanical loading of bone and cartilage in vivo results in the generation of cyclic hydrostatic forces as bone compression is transduced to fluid pressure in the canalicular network and the joint synovium. It has therefore been suggested that hydrostatic pressure is an important stimulus by which osteochondral cells and their ...
Dokter Adriaan M - - 2013
At temperate latitudes the synoptic patterns of bird migration are strongly structured by the presence of cyclones and anticyclones, both in the horizontal and altitudinal dimensions. In certain synoptic conditions, birds may efficiently cross regions with opposing surface wind by choosing a higher flight altitude with more favourable wind. We ...
Ohke Yoshie - - 2013
The facultative piezophile Shewanella violacea DSS12 is known to have respiratory components that alter under the influence of hydrostatic pressure during growth, suggesting that its respiratory system is adapted to high pressure. We analyzed the expression of the genes encoding terminal oxidases and some respiratory components of DSS12 under various ...
Naganawa Takuya - - 2013
Aims: To investigate the reliability and magnitude of intraoral mechanical pain sensitivity by using a palpometer with add-on devices with different physical properties. Methods: Sixteen healthy volunteers participated. Three palpometers (0.5, 1.0, and 2.0 kg) were used. Add-on devices were put on the circular metal stamp of the palpometer. Four ...
Motani Ryosuke R Department of Earth and Planetary Sciences, University of California Davis, Davis, California, United States of - - 2013
Mesozoic marine reptiles and modern marine mammals are often considered ecological analogs, but the extent of their similarity is largely unknown. Particularly important is the presence/absence of deep-diving suction feeders among Mesozoic marine reptiles because this would indicate the establishment of mesopelagic cephalopod and fish communities in the Mesozoic. A ...
Aikens Kathleen R KR Department of Natural Resource Sciences, McGill University , Ste-Anne-de-Bellevue, Quebec , - - 2013
The forest canopy offers a vertical gradient across which variation in predation pressure implies variation in refuge quality for arthropods. Direct and indirect experimental approaches were combined to assess whether canopy strata differ in ability to offer refuge to various arthropod groups. Vertical heterogeneity in impact of avian predators was ...
Premkumar Sridhar S Professor, Department of Orthodontics, Tamil Nadu Government Dental College and Hospital, Chennai, Tamil Nadu, India e-mail: - - 2013
Every treatment in the dental specialty has its own set of complications, Orthodontic therapy being no exception. Such a problem during the course of treatment puts the specialist in a dilemma as to whether to continue or stop the treatment. One such case in which during headgear therapy, a rare ...
Eick Stefan S Aesculap AG, Am Aesculap-Platz, Tuttlingen, 78532, Germany. - - 2013
In 1998, an electrothermal bipolar vessel sealing (EBVS) system was introduced and quickly became an integral component of the surgical armamentarium in various surgical specialties. Currently available EBVS instruments use a scissor-like jaw configuration and closing mechanism, which causes decreasing compression pressure from the proximal to the distal end of ...
Gökçen-Röhlig Bilge - - 2012
Abstract Objective. To evaluate the effect of low-level laser therapy on occlusal contact area, occlusal pressure and bite force in temporomandibular disorder patients. Patients and method. Twenty patients (14 women, six men, mean age 33.1 ± 3.8 years) diagnosed with myofascial pain according to the Research Diagnostic Criteria for Temporomandibular ...
Brunelli Marcello - - 2012
Various procedures involving stimulations of facial regions are known to induce so-called trigemino-cardiac reflexes that entail a decrease of heart rate and blood pressure. We here report the effects of a specific stimulation that consists in a submaximal passive mandibular extension obtained by means of a dilatator applied for 10 ...
Birkenfeld Falk - - 2012
Purpose: The purpose of this study was to investigate the increases in intraosseous temperature generated by a modern ultrasonic device for bone surgery (UDBS) and the influences of working pressure and cooling irrigation on this temperature. Materials and Methods: Twenty human mandibular bone specimens (20 x 15 x 5 to ...
Rieu Jean-Paul - - 2012
The Dictyostelium slug is an excellent model system for studying collective movements, as it is comprised of about 10(5) cells all moving together in the same direction. It still remains unclear how this movement occurs and what the physical mechanisms behind it are. By applying our recently developed 3D traction force ...
1 2 3 4 5 6 7 8 9 10 >