Shear linear behavior of brain tissue over a large frequency range.

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：:The effects of platelet margination and enhanced platelet diffusivity, as induced by red blood cells, on the adhesion of platelets, were investigated for a range of haematocrits, under 2D axi-symmetric flow, simulating previous in vitro experiments [Microvasc. Res. 17 (1979), 238-262]. The effect of margination was in...

journal_title：Biorheology

authors： Jordan A,David T,Homer-Vanniasinkam S,Graham A,Walker P

更新日期：2004-01-01 00:00:00

abstract：:Mechanical forces influence articular cartilage structure by regulating chondrocyte activity. Mechanical stimulation results in activation of an alpha5beta1 integrin dependent intracellular signal cascade involving focal adhesion kinase and protein kinase C, triggering the release of interleukin-4 from the cell. In no...

journal_title：Biorheology

authors： Salter DM,Wright MO,Millward-Sadler SJ

更新日期：2004-01-01 00:00:00

abstract：:An acinus is the principal secretion unit of an exocrine gland. This paper sets up a mathematical model of an acinus and examines the effect on the output of varying the operating parameters, both of the secretion mechanism and the fluid properties. Particular reference is made to acini of the pancreas. The question o...

journal_title：Biorheology

authors： Grigg CH,Fitz-Gerald JM

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:In order to play different roles in vascular functions as a mechanosensor to blood flows and as a barrier to transvascular exchange, the endothelial surface glycocalyx (ESG) should have an organized structure. Due to the limitations of optical and electron microscopy, the ultra-structure of ESG has not been ...

journal_title：Biorheology

authors： Fan J,Sun Y,Xia Y,Tarbell JM,Fu BM

更新日期：2019-01-01 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

abstract：:In channel flow of multicomponent suspensions, segregation behavior of suspended components perpendicular to the flow direction is often observed, which is considered to be caused by the differential properties of the lateral migration depending on their shape, size, flexibility, and other characteristics. In the pres...

journal_title：Biorheology

authors： Makino M,Sugihara-Seki M

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:In the microcirculation, red blood cells (RBCs) were observed to be confined to an axial stream surrounded by a marginal RBC depleted layer. This axial accumulation of RBCs is considered to arise from the RBC deformability. OBJECTIVE:To quantitatively evaluate the effect of RBC deformability on their axial ...

journal_title：Biorheology

authors： Sasaki T,Seki J,Itano T,Sugihara-Seki M

更新日期：2018-01-01 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 role of clustered of L-selectin receptors on the leukocyte surface is discussed in connection with the postulated velocity-dependent formation of selectin-ligand tether bonds to interpret the mechanism of leukocyte tethering to, and rolling along, the vascular endothelium. The distinct feature of this step-wise pr...

journal_title：Biorheology

authors： Riha P,Dumas D,Latger V,Muller S,Stoltz JF

更新日期：2003-01-01 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：:Ciliary metachronism and motility were examined optically in tissue cultures from frog palate epithelium as a function of extracellular ATP concentration in the range of 10(-7)-10(-3) M. The main findings were: a) upon addition of ATP the metachronal wavelength increased by a factor of up to 2. b) the velocity of the ...

journal_title：Biorheology

authors： Ovadyahu D,Eshel D,Priel Z

更新日期：1988-01-01 00:00:00

abstract：:The goal of this study was to determine the duration of time that ligaments from a study group need to be loaded in order to adequately determine their collective viscoelastic behavior. Rat ligaments were subjected either to creep or stress relaxation for 1,000 s or stress relaxation for 10,000 s to compare estimates ...

journal_title：Biorheology

authors： Manley E Jr,Provenzano PP,Heisey D,Lakes R,Vanderby R Jr

更新日期：2003-01-01 00:00:00

abstract：:The fractionation of micron-size particles according to physical properties of size, density and surface characteristics by centrifugation and electrophoresis is hindered when the particles behave collectively rather than individually. The formation and sedimentation of droplets containing particles is an extreme exam...

journal_title：Biorheology

authors： Omenyi SN,Snyder RS

更新日期：1983-01-01 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：:This paper reports a novel, physiologically significant, microfluidic phenomenon generated by nanomolar concentrations of drag-reducing polymers (DRP) dissolved in flowing blood, which may explain previously demonstrated beneficial effects of DRP on tissue perfusion. In microfluidic systems used in this study, DRP add...

journal_title：Biorheology

authors： Marhefka JN,Zhao R,Wu ZJ,Velankar SS,Antaki JF,Kameneva MV

更新日期：2009-01-01 00:00:00

abstract：:The aim of this study was to investigate the effects of a surgical limb lengthening procedure on the biorheological features of some lengthened soft tissues. In this procedure external fixators were applied to goats' right radius to stretch the tissues. The right forelegs of goats were lengthened by 2, 4 cm, respectiv...

journal_title：Biorheology

authors： Huang K,Zeng Y,Xia H,Liu C

更新日期：1998-07-01 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：:The present study was designed to investigate the oxidant susceptibility of red blood cells (RBC) from four species (echidna, human, koala, Tasmanian devil) based on changes in cellular deformability. These species were specifically chosen based on differences in lifestyle and/or biology associated with varied levels ...

journal_title：Biorheology

authors： Simmonds MJ,Meiselman HJ,Marshall-Gradisnik SM,Pyne M,Kakanis M,Keane J,Brenu E,Christy R,Baskurt OK

更新日期：2011-01-01 00:00:00

abstract：:It is has been known for more than 80 years that compared to in vitro determinations, blood behaves as a less viscous fluid under in vivo flow conditions. The experiments of Whittaker and Winton were among the first dealing with the in vivo effects of altered blood rheology, and experimental studies during the second ...

journal_title：Biorheology

authors： Baskurt OK

更新日期：2008-01-01 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：: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：:Over the past several decades, blood-soluble drag reducing polymers (DRPs) have been shown to significantly enhance hemodynamics in various animal models when added to blood at nanomolar concentrations. In the present study, the effects of the DRPs on blood circulation were tested in anesthetized rats exposed to acute...

journal_title：Biorheology

authors： Kameneva MV,Wu ZJ,Uraysh A,Repko B,Litwak KN,Billiar TR,Fink MP,Simmons RL,Griffith BP,Borovetz HS

更新日期：2004-01-01 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：:Orbitometry (Hartert) is a rheological ex-vivo method to follow up physical assembly of a coagulum in layers during natural intensity of flow by orbital movement. Fibrin elasticity in the Orbitometers mode of Resonance Thrombography is differentiated from platelet activity as well as e.g. from the effects of dissemina...

journal_title：Biorheology

authors： Hartert H

更新日期：1990-01-01 00:00:00

abstract：:Skeletal muscle tissue is highly susceptible to sustained compressive straining, eventually leading to tissue breakdown in the form of pressure sores. This breakdown begins at the cellular level and is believed to be triggered by sustained cell deformation. To study the relationship between compressive strain-induced ...

journal_title：Biorheology

authors： Bouten CV,Breuls RG,Peeters EA,Oomens CW,Baaijens FP

更新日期：2003-01-01 00:00:00

abstract：:The presented paper is based on the conclusions of the preceding paper (1). On the basis of a general theoretical approach to the mechanics of heterogeneous materials published earlier / (2) , (3) , (4) / macroscopic constitutive equation of trabecular bone is deduced from the description of its microstructure. For th...

journal_title：Biorheology

authors： Kafka V,Jírová J

更新日期：1983-01-01 00:00:00

abstract：:A fine structure of blood flow through a curved vessel with an aneurysm was studied in in vitro experiments in relation to rheological factors of arterial diseases such as arteriosclerosis or thrombosis. On the basis of the in vivo data related to cerebral circulation, red blood cell suspension was flowed through curv...

journal_title：Biorheology

authors： Niimi H,Kawano Y,Sugiyama I

更新日期：1984-01-01 00:00:00

abstract：:We previously reported that intraarticular injections of hyaluronan (HA), administered prophylactically to dogs in whom knee osteoarthritis had been induced by transection of the anterior cruicate ligament, did not significantly modify the intraarticular pathology but decreased the proteogylcan concentration of the ar...

journal_title：Biorheology

authors： Brandt KD,Smith GN,Myers SL

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Devices gauging viscoelastic properties of blood during coagulation like the thromboelastograph support fundamental research as well as point of care needs. Associated fibrinolysis data are based on endogenous species or plasminogen activator added to a homogeneous sample prior to clot formation. Digestion i...

journal_title：Biorheology

authors： Lee JS,Kaibara M,O'Rear EA

更新日期：2016-07-29 00:00:00