A numerical simulation of intimal thickening under shear in arteries.

abstract：:The thixotropic parameters of whole blood from 314 healthy subjects (154 women, 160 men) were measured with our modified method by Low shear 30 Rheometer and calculated according Huang's equation. This communication offered the reference range of thixotropic parameters from man and woman group. The results demonstrate...

journal_title：Biorheology

authors： Chen HQ,Zhong GH,Li L,Wang XY,Zhou T,Chen ZY

更新日期：1991-01-01 00:00:00

abstract：:A non-biodegradable polyhedral oligomeric silsesquioxane (POSS) nanocomposite biopolymer has been developed for fabrication of medical devices and for tissue engineering human organs. The polymer in solution, containing 2 wt% of POSS, has been synthesized, characterized and investigated to determine its key rheologica...

journal_title：Biorheology

authors： Kidane AG,Edirisinghe MJ,Bonhoeffer P,Seifalian AM

更新日期：2007-01-01 00:00:00

abstract：:The aim of this study was to investigate the effect of hydrostatic pressure on the expression of messenger ribonucleic acid (mRNA) for specific extracellular matrix proteins in chondrocytes. Chondrocytes obtained from bovine metatarsophalangeal joints were embedded in cylindrical 2% agarose gels. A novel experimental ...

journal_title：Biorheology

authors： Toyoda T,Seedhom BB,Kirkham J,Bonass WA

更新日期：2003-01-01 00:00:00

abstract：:Platelet margination (enhanced platelet concentration in the near wall region of a blood vessel) has been well documented in small vessels. In artery-sized vessels margination has only been demonstrated in one study, using ghost cell suspensions and under relatively non-physiologic conditions of steady flow and 50 cm ...

journal_title：Biorheology

authors： Xu C,Wootton DM

更新日期：2004-01-01 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：: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：:The assessment of vessel patency can be substantially improved by serial microvessel diameter measurements taken successively along an extensive length of the vessel. It is possible to avoid making the a priori assumptions about the existence or location of local constriction sites implicit in single diameter measurem...

journal_title：Biorheology

authors： Miles FP,Nuttall AL

更新日期：1991-01-01 00:00:00

abstract：:Articular cartilage is a tissue designed to withstand compression during joint movement and, in vivo, is subjected to a wide range of mechanical loading forces. Mechanosensitivity has been demonstrated to influence chondrocyte metabolism and cartilage homeostasis, but the mechanisms underlying mechanotransduction in t...

journal_title：Biorheology

authors： D'Andrea P,Calabrese A,Capozzi I,Grandolfo M,Tonon R,Vittur F

更新日期：2000-01-01 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：:It has long been recognized that understanding the rheological properties of blood is essential to a full understanding of the function of the circulatory system. Given the difficulty of obtaining carefully controlled measurements in vivo, most of our current concepts of the flow behavior of blood in vivo are based on...

journal_title：Biorheology

authors： Bishop JJ,Popel AS,Intaglietta M,Johnson PC

更新日期：2001-01-01 00:00:00

abstract：:Nonlinear mathematical techniques now make it possible to quantify the complexity of an irregular time series through calculation of a parameter known as fractal dimension. In the present study, we use such an analysis to provide evidence that histamine-induced pressure oscillations in an isolated rabbit ear resistanc...

journal_title：Biorheology

authors： Griffith TM,Edwards DH

更新日期：1993-09-01 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：:In micropipette experiments with small capillaries and moderate high pressure difference (approximately 1000 Pa) cell fragmentation (fission) of human red blood cells without hemolysis was observed by TV-system for a large number of fresh red blood cells of different donors. After separation, the fragment moves away f...

journal_title：Biorheology

authors： Meier W,Lerche D,Wendt MO,Paulitschke M

更新日期：1987-01-01 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：:The biorheological properties and behavior of red blood cells (RBCs), as other types of cells, have a biochemical and molecular basis. The shape maintenance and deformability of RBCs depend on the structural and functional integrity of the membrane proteins. These proteins are composed of transmembrane proteins insert...

journal_title：Biorheology

authors： Chien S,Sung LP

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:Osteoarthritis is a common, localized joint disease that causes pain, stiffness and reduced mobility. Osteoarthritis is particularly common in the knees. The effects of osteoarthritis on the rheology of synovial fluid in the knees are not fully understood and consequently require further study. OBJECTIVE:Th...

journal_title：Biorheology

authors： Madkhali A,Chernos M,Grecov D,Kwok E

更新日期：2016-11-09 00:00:00

abstract：:Since the sweet ketohexose L-sorbose causes overt hemolysis in dogs but not in man, we examined the possibility that L-sorbose induces a "prehemolytic state" of human red cells, manifesting itself as impairment of rheological red cell properties. After 2 hours incubation at 37 degrees C relative viscosity of red cell ...

journal_title：Biorheology

authors： Stäubli M,Wälchli P,Straub PW

更新日期：1985-01-01 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：:A biophysical model for the equilibrium curvature of a composite membrane element is derived taking into account the mechanical bilayer properties and the adjacent charged protein layers. The minimum of the total free energy density with respect to the curvature of such a membrane curved was estimated from the sum of ...

journal_title：Biorheology

authors： Lerche D,Kozlov MM,Markin VS

更新日期：1987-01-01 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：:In this work, we studied the effects of tensile strain on limb bud mesenchymal cells (MSC) cultured on a collagen type I tubular scaffold. A novel bioreactor was designed to culture the cells while subjecting the tubular scaffold to tensile stress and strain. Control samples included unseeded and MSC-seeded tubes cult...

journal_title：Biorheology

authors： Amos JR,Li S,Yost M,Ploehn H,Potts JD

更新日期：2009-01-01 00:00:00

abstract：:Ciliary metachronism and motility were examined optically in muco-ciliary tissue cultures from three different systems: a) frog's palate epithelium, b) frog's oesophagus, and c) human nasal polyps. In addition, lateral cilia of Mytilus edulis (water transporting cilia) were examined. It was revealed that the degree of...

journal_title：Biorheology

authors： Gheber L,Priel Z

更新日期：1990-01-01 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：: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：: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：:The compressive stiffness of an elastic material is traditionally characterized by its Young's modulus. Young's modulus of articular cartilage can be directly measured using unconfined compression geometry by assuming the cartilage to be homogeneous and isotropic. In isotropic materials, Young's modulus can also be de...

journal_title：Biorheology

authors： Saarakkala S,Korhonen RK,Laasanen MS,Töyräs J,Rieppo J,Jurvelin JS

更新日期：2004-01-01 00:00:00

abstract：:Sudden increase of viscosity in former times indicated the start of coagulation. Yet its measurement destroyed the structure of coagulum. By the precursor method of thrombelastography the author 1944 found elasticity to be the essential physiological property of coagulum. In the production of elastic fibrin structure ...

journal_title：Biorheology

authors： Hartert H

更新日期：1988-01-01 00:00:00

abstract：:Drag-reducing polymers (DRPs) are blood-soluble macromolecules that can increase blood flow and reduce vascular resistance. The purpose of the present study is to examine the effects of DRPs on microcirculation in rat hind limb during acute femoral artery occlusion. Two groups of 20 male Wistar rats were subjected to ...

journal_title：Biorheology

authors： Hu F,Zha D,Du R,Chen X,Zhou B,Xiu J,Bin J,Liu Y

更新日期：2011-01-01 00:00:00

abstract：:We have previously observed a stimulatory effect of fluid shear stress on the regeneration of cultured endothelial cell layers after mechanical denudation. In this study we examined how fluid shear stress affects endothelial cell DNA synthesis during regeneration. Following mechanical denudation of narrow linear areas...

journal_title：Biorheology

authors： Ando J,Komatsuda T,Ishikawa C,Kamiya A

更新日期：1990-01-01 00:00:00