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Hunter Amanda L - - 2014
BackgroundMyocardial infarction is the leading cause of death in fire fighters and has been linked with exposure to air pollution and fire suppression duties. We therefore investigated the effects of wood smoke exposure on vascular vasomotor and fibrinolytic function, and thrombus formation in healthy fire fighters.MethodsIn a double-blind randomized cross-over ...
Wu Qiang Q Department of Orthopaedics, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, 314 An Shan Xi Road, Nan Kai District, Tianjin, 300000, People's Republic of - - 2014
Tranexamic acid (TXA) is well established as a versatile intraarticular and intravenous (IV) antifibrinolytic agent that has been successfully used to control bleeding after total knee arthroplasty (TKA). The present meta-analysis aimed at assessing the effectiveness and safety of TXA in reducing blood loss and transfusion in TKA. We searched ...
Matsuto Toshihiko T Laboratory of Solid Waste Disposal Engineering, Faculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan. Electronic address: - - 2014
The semi-aerobic landfill is a widely accepted landfill concept in Japan because it promotes stabilization of leachates and waste via passive aeration without using any type of mechanical equipment. Ambient air is thought to be supplied to the landfill through a perforated pipe network made of leachate collection pipe laid ...
Portillo-Soto Andrea A Indiana State University , Terre Haute, - - 2014
Abstract Objectives: Instrument-assisted soft tissue mobilization and massage therapy are manual techniques that claim to increase blood flow to treated areas, yet no data on these techniques are available. This study sought to compare the effects of the Graston Technique(®) (GT) and massage therapy on calf blood flow, using skin ...
Zolfaghari Mitra M Nursing & Midwifery Care Research Center, Virtual School, Tehran University of Medical Science, Tehran, - - 2014
To evaluate the effects of henna on the results of pulse oximetry in healthy women. 100 young women (20-60 years of age) were recruited. The Iranian original red henna was used to colour the index finger of THE non-dominant hand; the middle finger of the same hand was the control. Blood ...
Kiseli M M Department of Obstetrics and Gynecology, Faculty of Medicine, Ufuk University , Ankara , - - 2014
The purpose of this study was to investigate whether levels of fetal hypoxia markers, S100 and ischaemia modified albumin (IMA) change in case of intrauterine growth restriction (IUGR). This case-control study included 15 intrauterine growth restricted fetuses and 20 age-matched controls. During delivery of the fetuses, cord blood and maternal ...
Kim Juyoung J Dept. of Environmental Sciences and Biotechnology, Hallym University, Chuncheon, Gangwon-do 200-702, - - 2014
Air injected into an aquifer during air sparging normally flows upward according to the pressure gradients and buoyancy, and the direction of air flow depends on the natural hydrogeologic setting. In this study, a new method for controlling air flow paths in the saturated zone during air sparging processes is ...
Salama Ibrahim E IE School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, - - 2014
Novel dispersions of the volatile inhalation anesthetic sevoflurane have been formulated that can provide controlled, sustainable release of anesthetic over clinically useful timescales. The emulsions can be simply formed with manual shaking, reproducibly yielding droplets of the order of 250nm diameter, i.e. within the nanoemulsion range. Using a custom flow-rig, ...
Ortiz-Ortega E E División de Investigación y Posgrado, Facultad de Ingeniería, Universidad Autónoma de Querétaro, 76010 Querétaro, - - 2014
The use of three-dimensional flow-through nanoporous electrodes and the merging of a flow-through and air-breathing cathode were explored and successfully applied in a formic acid air-breathing nanofluidic fuel cell. The effects of fuel concentration, reaction stoichiometry and catalyst mass loading were investigated, resulting in power densities ranging from 28 to ...
Koga Shunsaku S Applied Physiology Laboratory, Kobe Design University, 8-1-1 Gakuennishi-machi, Nishi-Ku, Kobe, 651-2196, Japan, - - 2014
We quantified the contribution of skin blood flow (SkBF) to tissue oxygenation/deoxygenation of the flexor digitorum profundus muscle during cutaneous vasodilation. Time-resolved near-infrared spectroscopy (TRS-NIRS) was utilized to measure the potential influence of optical factors [mean optical pathlength (PL) and coefficients of absorption (μa) and reduced scattering ([Formula: see text])] ...
Adams Rachel A RA Cardiff School of Health Sciences, Cardiff Metropolitan University, Cardiff, - - 2014
Exposure to particulate air pollution is associated with an increased risk of cardiovascular disease. The mechanism by which exposure increases risk is poorly understood but could involve changes in the flow properties of blood.OBJECTIVE: The aim of this investigation was to assess the effect, in rats, of intratracheal instillation of ...
Haynes Christopher A CA Newborn Screening and Molecular Biology Branch, Centers for Disease Control and Prevention, Atlanta, GA 30341. Electronic address: - - 2014
Newborn screening for X-linked adrenoleukodystrophy utilizes tandem mass spectrometry to analyze dried-blood spot specimens. Quality control materials (dried-blood spots enriched with hexacosanoyl lysophosphatidylcholine) were prepared and stored at different temperatures for up to 518days to evaluate the stability of this biomarker for X-linked adrenoleukodystrophy. Dried-blood spot storage included desiccant (45, ...
Loehrer Elizabeth E Department of Epidemiology, Erasmus MC University Medical Center, Rotterdam, the - - 2014
Observations that migraine increases risk of cardiovascular disease and ischemic brain changes may suggest sustained vascular differences between migraineurs and controls. In a population-based setting, we compared cerebral blood flow between migraineurs in the attack-free period and controls. Between 2006 and 2008, 2642 participants, aged 45-65, from the Rotterdam Study ...
Medow Marvin S MS New York Medical College - - 2014
Chronic Fatigue Syndrome (CFS), with orthostatic intolerance is characterized by neurocognitive deficits, impaired working memory, concentration, and information processing. In CFS, upright tilting (HUT) caused decreased cerebral blood flow velocity (CBFv) related to hyperpnea/hypocapnia and impaired cerebral autoregulation; increasing orthostatic stress resulted in decreased neurocognition. We loaded the baroreflex with ...
Olson Jeffrey L JL Ophthalmology Department, University of Colorado School of Medicine, Rocky Mountain Lions Eye Institute, Aurora, CO, - - 2014
To assess the capabilities of a new glaucoma drainage device regulator in controlling fluid flow as well as to demonstrate that this effect may be titratable by noninvasive means. A rigid eye model with two main ports was used. On the first port, we placed a saline solution column. On ...
Rodrigues Fábio Gontijo FG Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, - - 2014
To evaluate the splenic parenchymal blood distribution through scintigraphic study. Thirty Wistar rats were randomly divided into six groups (n = 5). Group 1 (spleen - 30 minutes) and Group 2 (spleen - 90 minutes) underwent laparotomy with direction of blood flow to the spleen by ligature of the aorta ...
Khlifi Rim R Unit of Marine and Environmental Toxicology, UR 09-03, Sfax University, IPEIS, BP 1172, 3018, Sfax, Tunisia, - - 2014
Nasosinusal polyposis (NSP) is a chronic inflammatory disease of the nasal mucosa. Although the pathophysiology underlying NSP formation is not fully understood, environmental factors appear to be contributed the development of this disease. A case-control study of Tunisian patients was examined to assess the levels of cadmium (Cd) and nickel ...
Zhang Qiang Q Single-Cell Center, CAS Key Laboratory of Biofuels and Shandong Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China. mabo@qibebt.ac.cn - - 2014
A simple, low-cost and on-demand microfluidic flow controlling platform was developed based on a unique capillary-tuned solenoid microvalve suction effect without any outer pressure source. The suction effect was innovatively employed as a stable and controllable driving force for the manipulation of the microfluidic system by connecting a piece of ...
Calkoen Emmeline E EE Division of Paediatric Cardiology, Department of Paediatrics, Leiden University Medical Center, Leiden, The Netherlands; Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The - - 2014
To evaluate trans-left atrioventricular valve (LAVV) blood flow and optimize left ventricular inflow quantification in healthy controls and patients after atrioventricular septal defect (AVSD) correction. Twenty-five patients after AVSD correction and 25 controls underwent 4DFlow MRI. Using streamline visualization in four- and two-chamber views, inflow direction at early and late ...
Pedrigi Ryan M RM From the Department of Bioengineering, Imperial College London, London, United Kingdom (R.M.P., S.M.B., V.M., R.K.); NHLI, Imperial College London and NIHR Cardiovascular Biomedical Research Unit, Royal Brompton and Harefield NHS Foundation Trust, London, United Kingdom (R.d.S.); and MRC-Clinical Sciences Centre, Imperial College London, London, United Kingdom - - 2014
In this review, we summarized the effect of mechanical factors (shear and wall stress) on thin-cap fibroatheroma formation and rupture. To make this review understandable for a biology-oriented audience, we start with detailed definitions of relevant mechanical metrics. We then describe how biomechanics has supported histopathologic efforts to understand the ...
Gülan Utku U Institute of Environmental Engineering, ETH Zurich, Zurich, Switzerland. Electronic address: - - 2014
Cardiovascular diseases can lead to abnormal blood flows, some of which are linked to hemolysis and thrombus formation. Abnormal turbulent flows of blood in the vessels with stenosis create strong shear stresses on blood elements and may cause blood cell destruction or platelet activation. We implemented a Lagrangian (following the ...
Vavic Nataša N Department of Blood Collection, Blood Transfusion Institute, Sv.Save 39, Belgrade, - - 2014
The vasovagal reaction has been widely studied but its anatomic and physiological nature remains uncertain. The mechanisms underlying vasovagal reaction related to blood donation are not completely understood either. Does its occurrence depend on the blood donors' physical characteristics and health variables or psychological factors? On the basis that a ...
Kang Yu-Jung YJ Department of Pharmacology, Institute of Natural Medicine, College of Medicine, Hallym University, 39 Hallymdaehak-gil, Chuncheon, 200-702, Gangwon-do, South - - 2014
The blood glucose profiles were characterized after mice were forced into immobilization stress with various exposure durations. The blood glucose level was significantly enhanced by immobilization stress for 30 min or 1 h, respectively. On the other hand, the blood glucose level was not affected in the groups which were forced into ...
van der Poel Erwin P EP Department of Physics, Mesa+ Institute, and J. M. Burgers Centre for Fluid Dynamics, University of Twente, 7500 AE Enschede, The - - 2014
The effect of various velocity boundary condition is studied in two-dimensional Rayleigh-Bénard convection. Combinations of no-slip, stress-free, and periodic boundary conditions are used on both the sidewalls and the horizontal plates. For the studied Rayleigh numbers Ra between 10^{8} and 10^{11} the heat transport is lower for Γ=0.33 than for ...
Liu Dingsheng D Department of Chemistry, University of Washington , Seattle, Washington 98195-17000, - - 2014
This paper describes the use of electro-hydrodynamic actuation to control the transition between three major flow patterns of an aqueous-oil Newtonian flow in a microchannel: droplets, beads-on-a-string (BOAS), and multi-stream laminar flow. We observed interesting transitional flow patterns between droplets and BOAS as the electric field was modulated. The ability ...
Ruef Peter P Department of Pediatrics, Clinic of Neonatology, University of Heidelberg, Germany. - - 2014
The LS300 viscometer permits automated measurements of viscosity at several shear rates of non-Newtonian fluids. We determined whole blood and plasma viscosity, aggregation, red blood cell deformability, and hematocrit of 66 healthy adults. The effects of the anticoagulants EDTA, heparin and citrate, and of centrifugation on blood viscosity (n = ...
Teilmann A Charlotte AC Department of Experimental Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark - - 2014
Facial vein (cheek blood) and caudal vein (tail blood) phlebotomy are two commonly used techniques for obtaining blood samples from laboratory mice, while automated blood sampling through a permanent catheter is a relatively new technique in mice. The present study compared physiological parameters, glucocorticoid dynamics as well as the behavior ...
Dokmanović M M Department for Food Hygiene Technology, Faculty of Veterinary Medicine, University of Belgrade, Bulevar Oslobodjenja 18, 11000 Belgrade, Serbia. Electronic address: - - 2014
Lairage time (short - 8min to 2.7h, n=28 vs. long - 14 to 21.5h, n=72) and pig handling (gentle - no use of stick or electric prod, pig not slipping, falling, nor emitting high-pitched vocalizations vs. rough - where any of these occurred) effects on pig stress and meat quality ...
O'Loughlin Aran A Animal and Bioscience Research Department, Animal & Grassland Research and Innovation Centre, Teagasc, Grange, Dunsany, Co. Meath, Ireland; Department of Biology, National Institute for Cellular Biotechnology, National University of Ireland Maynooth, Co. Kildare, - - 2014
The study objective was to investigate the physiological effects of weaning on beef calves and identify a panel of blood-based welfare biomarkers. On the day (d) of weaning (d 0), 16 spring-born, single-suckled, beef bull calves that previously grazed with their dams at pasture, were assigned to one of two ...
Nechyporchuk Oleksandr O Univ. Grenoble Alpes, LRP, F-38000 Grenoble, France; CNRS, LRP, F-38000 Grenoble, France; Univ. Grenoble Alpes, LGP2, F-38000 Grenoble, France; CNRS, LGP2, F-38000 Grenoble, France; Agefpi. Electronic address: - - 2014
The rheological properties of enzymatically hydrolyzed and TEMPO-oxidized microfibrillated/nanofibrillated cellulose (MFC/NFC) aqueous suspensions were investigated in oscillation and steady-flow modes and were compared with the morphology of the studied materials. The flow instabilities, which introduce an error in the rheological measurements, were discovered during flow measurements. A wall-slip (interfacial slippage ...
Crowe Jennfier J Regional Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa RicaUmea University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Epidemiology and Public Health Sciences, Umea, - - 2014
Sugarcane harvesters in Costa Rica are exposed to heat stress, a likely major risk factor in the Mesoamerican nephropathy epidemic. Routine urinalyses provide important information about kidney function, but have not been reported in detail for this population. Sugarcane cutters (n = 48) provided six spot urine samples, pre- and ...
Boehning Fiete F Department of Cardiovascular Engineering, Institute of Applied Medical Engineering, RWTH Aachen University, Aachen, - - 2014
Reducing hemolysis has been one of the major goals of rotary blood pump development and in the investigational phase, the capability of hemolysis estimation for areas of elevated shear stresses is valuable. The degree of hemolysis is determined by the amplitude of shear stress and the exposure time, but to ...
De Geer Jakob J Faculty of Health Sciences, Department of Medical and Health Sciences, Department of Radiology in Linköping, Center for Medical Image Science and Visualization (CMIV), Linköping University, County Council of Östergötland, Linköping, - - 2014
Dynamic cardiac CT perfusion (CTP) is based on repeated imaging during the first-pass contrast agent inflow. It is a relatively new method that still needs validation. To evaluate the variation in adenosine stress dynamic CTP blood flow as compared to (99m) Tc SPECT. Secondarily, to compare manual and automatic segmentation. ...
Galie Peter A PA Departments of Bioengineering,Physiology, - - 2014
The density and architecture of capillary beds that form within a tissue depend on many factors, including local metabolic demand and blood flow. Here, using microfluidic control of local fluid mechanics, we show the existence of a previously unappreciated flow-induced shear stress threshold that triggers angiogenic sprouting. Both intraluminal shear ...
Gibson Laura A LA School of Environmental Studies, Queen's University, Kingston, ON, K7L 3N6, - - 2014
Mercury (Hg) is a widespread contaminant that has been shown to induce a wide range of adverse health effects in birds including reproductive, physiological and neurological impairments. Here we explored the relationship between blood total Hg concentrations ([THg]) and oxidative stress gene induction in the aquatic piscivorous Double-crested Cormorants (Phalacrocorax ...
Bejaei M M Avian Research Centre, The University of British Columbia, Vancouver, British Columbia, Canada, V6T - - 2014
Ostrich (Struthio camelus) production is a relatively young industry and there has been little research on ostrich welfare during pretransport handling and the transportation process. A heavy body with a high center of gravity makes ostriches' handling and transportation problems different from other livestock. The main objective of this study ...
Taylor Joshua - - 2014
Thrombosis and thromboembolization remain large obstacles in the design of cardiovascular devices. The separated flows that can occur within their geometries are strong contributors to thrombus formation. In this study, thrombus growth within a backward-facing step (BFS) model is investigated, as this geometry can mimic the flow separation found in ...
Heo Kyung-Sun KS Aab Cardiovascular Research Institute, University of Rochester, Rochester, NY 14642, - - 2014
Hemodynamic shear stress, the frictional force acting on vascular endothelial cells, is crucial for endothelial homeostasis under normal physiological conditions. When discussing blood flow effects on various forms of endothelial (dys)function, one considers two flow patterns: steady laminar flow and disturbed flow because endothelial cells respond differently to these flow ...
Cho Young I YI Department of Mechanical Eng. and Mechanics, Drexel University, 3141 Chestnut Street, Philadelphia, PA, 19104, USA, - - 2014
This review examines the emerging role of endothelial shear stress (ESS) and blood viscosity on the initiation and progression of atherosclerosis in peripheral arterial disease. Among the variables determining ESS, blood viscosity has to date been the most overlooked by clinical researchers. Blood viscosity is a laboratory assessment that is ...
Dandekar Vineet K - - 2014
Despite increasing clinical use, there is limited data regarding regadenoson in stress perfusion cardiovascular magnetic resonance (CMR). In particular, given its long half-life the optimal stress protocol remains unclear. Although Myocardial Perfusion Reserve (MPR) may provide additive prognostic information, current techniques for its measurement are cumbersome and challenging for routine ...
Ryotokuji Kenji K Faculty of Health Sciences, Ryotokuji University, Urayasu, - - 2014
We have developed a Stress-free Therapy(®) device wherein "Pinpoint Plantar Long-wavelength Infrared Light Irradiation (PP-LILI)" increases peripheral-deep body temperature and blood flow volume and stabilizes blood pressure as well as significantly reduces stress hormones such as adrenocorticotrophic hormone and cortisol without using drugs. Moreover, we have found this therapy to ...
Yan Z Z University of Wisconsin-Madison, Madison, Wisconsin 53706, - - 2014
Comprehensive 2D turbulence and eddy flow velocity measurements on DIII-D demonstrate a rapidly increasing turbulence-driven shear flow that develops ∼100  μs prior to the low-confinement (L mode) to high-confinement (H mode) transition and appears to trigger it. These changes are localized to a narrow layer 1-2 cm inside the magnetic boundary. Increasing ...
Ghose Somdeb S The Institute of Mathematical Sciences, CIT Campus, Chennai 600113, - - 2014
Recent experiments imaging fluid flow around swimming microorganisms have revealed complex time-dependent velocity fields that differ qualitatively from the stresslet flow commonly employed in theoretical descriptions of active matter. Here we obtain the most general flow around a finite sized active particle by expanding the surface stress in irreducible Cartesian ...
Yen Jen-Hong JH Department of Water Resources and Environmental Engineering, Tamkang University, 151 Ying-Chuan Road, Tamsui, New Taipei, 251, Taiwan, - - 2014
Non-physiologic turbulent flow occurs in medical cardiovascular devices resulting in hemodynamic stresses that may damage red blood cells (RBC) and cause hemolysis. Hemolysis was previously thought to result from Reynolds shear stress (RSS) in turbulent flows. A more recent hypothesis suggests that turbulent viscous shear stresses (TVSS) at spatial scales ...
Evans David J DJ Department of Thoracic Medicine, Hemel Hempstead Hospital, Hemel Hempstead, - - 2014
Previous studies have highlighted flow shear stress as a possible damage mechanism for small airways, in particular those liable to constriction through disease or injury due to mechanical ventilation. Flow experiments in vitro have implicated shear stress as a relevant factor for mechanotransduction pathways with respect to airway epithelial cell ...
Blagojević Milan - - 2014
Practical difficulties, particularly long model development time, have limited the types and applicability of computational fluid dynamics simulations in numerical modeling of blood flow in serial manner. In these simulations, the most revealing flow parameters are the endothelial shear stress distribution and oscillatory shear index. The aim of this study ...
Moh Jeong-Hah JH Division of Mechanical and Automotive Engineering, Wonkwang University, Jeollabuk-do, South - - 2014
The present research investigated the role of blood viscosity on flow within a microvascular network to identify the conditions of blood flow stagnation. When the yield stress of blood was less than 0.005 Pa, there were no stagnant regions in the microvasculature. However, when the yield stress increased to 0.05 ...
Teległów Aneta A Department of Clinical Rehabilitation, University School of Physical Education, Cracow, - - 2014
The aim of this study was to analyze the changes in blood rheology resulting from regular winter swimming. The study was carried out on 12 male winter swimmers. Venous blood for morphological, biochemical and rheological analysis was sampled twice from each winter swimmer - at the beginning of the season ...
Watanabe-Asaka Tomomi - - 2014
The development of blood flow in the heart is crucial for heart function and embryonic survival. Recent studies have revealed the importance of the extracellular matrix and the mechanical stress applied to the valve cushion that controls blood flow to the formation of the cardiac valve during embryogenesis. However, the ...
Kynkäänniemi Sanna-Mari SM Department of Biology, University of Oulu, P.O. Box 3000, FI-90014, Oulu, Finland, - - 2014
Blood-sucking ectoparasites have often a strong impact on the behaviour of their hosts. The annual insect harassment of reindeer (Rangifer tarandus tarandus) has increased in the southern part of the Finnish reindeer herding area because of the recent invasion of a blood-feeding ectoparasitic louse-fly, the deer ked (Lipoptena cervi). We ...
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