Filterability of sickle cells as a function of pO2: role of physico-chemical factors.

abstract：:It is widely accepted that whilst exhibiting clinically useful anti-inflammatory and analgesic activity, the application of non-steroidal anti-inflammatory drugs (NSAIDs) does not affect the underlying pathogenesis of articular diseases such as rheumatoid arthritis. The demonstration of a role for COX-2 in the resolut...

journal_title：Biorheology

authors： Colville-Nash PR,Willoughby DA

更新日期：2002-01-01 00:00:00

abstract：:The purpose of this study was to examine the theoretical impact of the local bifurcation geometry on the shear rate gradient in a divergent arteriolar-type bifurcation. Newtonian flow through an arteriolar bifurcation was modeled using 3-dimensional computational fluid dynamics (CFD). Branching angles of 30 degrees, 5...

journal_title：Biorheology

authors： Noren D,Palmer HJ,Frame MD

更新日期：2000-01-01 00:00:00

abstract：:During the recent years various investigators have developed the technique of kryophotometric measurements of oxyhemoglobin saturation with oxygen (psi) in small vessels. In this paper, on the basis of the statistical model of the organ developed by the authors, a theoretical relationship is established between the di...

journal_title：Biorheology

authors： Sharikov AN,Zaiko VM

更新日期：1982-01-01 00:00:00

abstract：:The electrical properties of red blood cell (RBC) suspensions are influenced by flow conditions, and prior studies indicate that electrical properties may reflect the kinetics of RBC aggregation. Changes of conductance and capacitance were monitored and had a time course resembling a "syllectogram" (i.e., temporal cha...

journal_title：Biorheology

authors： Baskurt OK,Uyuklu M,Meiselman HJ

更新日期：2009-01-01 00:00:00

abstract：:The viscosity: shear rate relationship of whole blood is shown to be described to a good approximation by a bi-linear plot on log: log axes. This has allowed an analytical solution to be obtained which gives a full description of the flow properties of blood in rigid tubes of a size where the Fahraeus-Lindqvist effect...

journal_title：Biorheology

authors： Rampling MW,Challoner T

更新日期：1983-01-01 00:00:00

abstract：:The membrane shear elastic modulus (mu) and the time constant for extensional shape recovery (tc) were measured for normal, control human red blood cells (RBC) and for RBC heat treated (HT) at 48 degrees C. Three separate methods for the measurement of mu were compared (two used a micropipette and one employed a flow ...

journal_title：Biorheology

authors： Nash GB,Meiselman HJ

更新日期：1985-01-01 00:00:00

abstract：:In this study, we simulated multiple red blood cells flowing through straight microvessels with the immersed-boundary lattice-Boltzmann model to examine the shear stress variation on the microvessel surface and its relation to the properties of cell-free layer. Significant variation in shear stress has been observed d...

journal_title：Biorheology

authors： Yin X,Zhang J

更新日期：2012-01-01 00:00:00

abstract：:Adhesion of monocytes (U-937 cells) along a silicone tube deployed with circular ring stents was studied to test the hypothesis that by intentionally inducing swirling flow in an endovascular stent, the adhesion of monocytes would be suppressed. The results revealed that under a normal flow condition, the flow disturb...

journal_title：Biorheology

authors： Chen Z,Zhang X,Deng X

更新日期：2012-01-01 00:00:00

abstract：:The supply of oxygen to tissue from capillaries may be influenced by hemorheological factors. A hemorheological model is developed for elucidating which factors play a major role in the oxygen transport to tissue. For a capillary tissue unit, a modified cylindrical model of Krogh is used. For blood, two fluids model o...

journal_title：Biorheology

authors： Niimi H,Sugihara M,Yamakawa T

更新日期：1983-01-01 00:00:00

abstract：:The purpose of the present study was to investigate the intracellular IL-1beta production and beta1 integrins (alpha4/beta1 and alpha5/beta1) expression on chondrocytes. Chondroytes monolayer (human chondrosarcoma cell line HEM-C55) were incubated for 12, 24 and 48 hours in the presence of Tumor Necrosis Factor-alpha ...

journal_title：Biorheology

authors： Gigant-Huselstein C,Dumas D,Payan E,Muller S,Bensoussan D,Netter P,Stoltz JF

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND:Red blood cell (RBC) deformability may increase, or decrease, following application of shear stress ("shear conditioning"), depending upon the specific magnitude and duration of exposure. However, the time course of altered RBC deformability following shear remains unresolved. OBJECTIVE:We utilised shear co...

journal_title：Biorheology

authors： Kuck L,Grau M,Simmonds MJ

更新日期：2018-01-01 00:00:00

abstract：:Frozen, stored mucus has been extensively used for transport studies but there is no clear evidence of the influence that the temperature and length of time of storage may have on the results. We stored frog mucus samples at -20 and -80 degrees C and analysed them on days zero, 2, 10, 30 and 90. At each temperature, a...

journal_title：Biorheology

authors： Gastaldi AC,Jardim JR,King M

更新日期：2000-01-01 00:00:00

abstract：:Aggregation of human red blood cells (RBCs) induced by dextrans of various molecular weight has been studied by using a new ultrasonic interferometry method. This method, based on A-mode echography, allowed for the measurement of the accumulation rate of particles on a solid plate which is related to their sedimentati...

journal_title：Biorheology

authors： Razavian SM,Guillemin MT,Guillet R,Beuzard Y,Boynard M

更新日期：1991-01-01 00:00:00

abstract：:There have been few reports describing the effects of mechanical loading on the metabolism of meniscal cells. The aim of this study was to investigate the effects of hydrostatic pressure on meniscal cell metabolism. Human meniscal cells were cultured in alginate beads for 3 days. They were then subjected to 4 MPa hydr...

journal_title：Biorheology

authors： Suzuki T,Toyoda T,Suzuki H,Hisamori N,Matsumoto H,Toyama Y

更新日期：2006-01-01 00:00:00

abstract：:The goal of this work is to better understand the association between renal artery aneurysms and secondary hypertension through modeling the blood flow and the mechanics of diseased arteries. A large number of patients with renal artery aneurysms exhibit hypertension. Following surgical intervention, some patients exp...

journal_title：Biorheology

authors： Down LA,Papavassiliou DV,O'Rear EA

更新日期：2013-01-01 00:00:00

abstract：:Different methods are commonly used to study the red blood cell aggregation phenomenon. The major interest of the ultrasonic method presently discussed is to assess the mean size of red blood cell (RBC) aggregates by measuring ultrasonic intensity backscattered by blood. Applying Rayleigh theory of sound to blood medi...

journal_title：Biorheology

authors： Boynard M,Lelievre JC

更新日期：1990-01-01 00:00:00

abstract：:Arterial hemodynamic forces may play a role in the localization of early atherosclerotic lesions. We have been developing numerical techniques based on overset or "Chimera" type formulations to solve the Navier-Stokes equations in complex geometries simulating arterial bifurcations. This paper presents three-dimension...

journal_title：Biorheology

authors： Cheer AY,Dwyer HA,Barakat AI,Sy E,Bice M

更新日期：1998-11-01 00:00:00

abstract：:The blood flow immediately adjacent to the wall of a blood vessel or an artificial surface is of great interest. This flow defines the shear stress at the wall and is known to have a great physiological importance. The use of models is a viable method to investigate this flow. However, even in models the shear stress ...

journal_title：Biorheology

authors： Affeld K,Kertzscher U,Goubergrits L

更新日期：2002-01-01 00:00:00

abstract：:Atherosclerosis is the most frequent cause of death and severe chronic disability in North America and Europe. The atherosclerosis-prone apolipoprotein E (apoE)-deficient mice contain the entire spectrum of lesions observed during atherogenesis. Significant remodelling of the artery occurs in atherosclerosis. The aim ...

journal_title：Biorheology

authors： Gregersen H,Zhao J,Lu X,Zhou J,Falk E

更新日期：2007-01-01 00:00:00

abstract：:This study aims at quantifying the cellular mechanical properties based on a partitioning of the cytoskeleton in a cortical and a cytosolic compartments. The mechanical response of epithelial cells obtained by magnetocytometry - a micromanipulation technique which uses twisted ferromagnetic beads specifically linked t...

journal_title：Biorheology

authors： Laurent VM,Planus E,Fodil R,Isabey D

更新日期：2003-01-01 00:00:00

abstract：:Flow-induced changes in the red cell microstructure of human blood are identified from mechanical and optical evidence. On initiation of steady flow, a new microstructure develops as the shear strain increases through unit strain. This structure is identified with the formation of layers of red cells that slide on pla...

journal_title：Biorheology

authors： Thurston GB

更新日期：1994-03-01 00:00:00

abstract：:Shear stress-induced platelet aggregation requires von Willebrand factor (vWF), platelet glycoprotein (GP) Ib, GPIIb-IIIa, Ca2+, and adenosine diphosphate (ADP). Recent reports using vWF labeled with either 125I or fluorescein isothiocyanate (FITC) have demonstrated that in shear-fields, vWF binds to both GPIb and GPI...

journal_title：Biorheology

authors： Konstantopoulos K,Chow TW,Turner NA,Hellums JD,Moake JL

更新日期：1997-01-01 00:00:00

abstract：:Flow induced shear stress influences vascular cellular biology and pathophysiology in numerous ways. Previous in vitro studies on interactions between flow and endothelial cells using parallel-plate flow chambers involve two-dimensional flows, whereas flows in larger vessels are commonly three-dimensional. We have con...

journal_title：Biorheology

authors： Watkins NV,Caro CG,Wang W

更新日期：2002-01-01 00:00:00

abstract：:Several noninvasive light scattering techniques are reviewed that can be utilized in rheological studies of mucus and other soft biological matrices. Included are quasielastic light scattering techniques to determine the compressibility moduli of polymer lattices, resonance methods that can be used to measure the shea...

journal_title：Biorheology

authors： Nossal R

更新日期：1987-01-01 00:00:00

abstract：:Human red cell aggregability and disaggregability represent important hemorheological parameters of blood. Several techniques have been proposed to evaluate the tendency of red cells to form aggregates and to disrupt in the presence of shear stress. One of the most recent approaches is based on the characterization of...

journal_title：Biorheology

authors： Cloutier G,Shung KK

更新日期：1993-09-01 00:00:00

abstract：:A dilute suspension of Spirulina Microalgae is found to exhibit radial migration in laminar flow in a 650 micron vertical tube. As the tube Reynolds number increases, the particles concentrate in a narrower region around the tube axis. When the turbulent regime is approached, the particles disperse as expected. ...

journal_title：Biorheology

authors： Rakow AL,Chappell ML

更新日期：1987-01-01 00:00:00

abstract：:The rate of onset of erythrocyte flow orientation at normal concentration has not previously been established. Reflectivity of blood and resuspended non-aggregated red cells at normal (41%) and elevated (60%) hematocrit has been used to examine this process. Video recordings were made before, during, and after shearin...

journal_title：Biorheology

authors： McMillan DE,Utterback NG,Lee MM

更新日期：1988-01-01 00:00:00

abstract：:Rheological measurements on a high molecular weight Hyaluronic Acid (from rooster combs) were performed to obtain information on the viscoelastic and temporary network characteristics of Hyaluronic Acid solutions as a function of the concentration. From rheological experiments, the critical concentration c* and the co...

journal_title：Biorheology

authors： De Smedt SC,Dekeyser P,Ribitsch V,Lauwers A,Demeester J

更新日期：1993-01-01 00:00:00

abstract：:In normal male rabbits loaded dietary cholesterol, intravital-microscopy revealed a marked acceleration of intravascular adhesiveness of white blood cells and aggregability of red blood cells and a swarming of lipid-laden macrophages in connective tissue space concurrently with a systemic hyperlipidemia and anemia. Po...

journal_title：Biorheology

authors： Asano M,Ohkubo C,Hirokawa A,Sasaki A,Tochihara Y,Chiba Y

更新日期：1988-01-01 00:00:00

abstract：:Under some conditions, such as inhalation injury, an array of longitudinal channels without cilia may be formed on the epithelial surface, affecting mucus transport in the lung during coughing. Moreover, in certain cases of the diseased state of the lung, immotile cilia remain embedded in the serous fluid and may form...

journal_title：Biorheology

authors： Agarwal M,King M,Shukla JB

更新日期：1994-01-01 00:00:00