解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
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
pub_type: 杂志文章
doi:10.3233/bir-1994-31102
更新日期:1994-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1993-305-605
更新日期:1993-09-01 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
pub_type: 杂志文章
doi:10.3233/bir-1993-305-615
更新日期:1993-09-01 00:00:00
abstract::A study using both experimental and numerical methods was conducted to determine flow dynamics in the vicinity of an end-to-end anastomosis. In vitro experiments were performed to determine the variations in the conduit cross-section at the anastomosis in specimens under static loading. The experimentally determined g...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1993-30203
更新日期:1993-03-01 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
pub_type: 杂志文章
doi:
更新日期:1993-01-01 00:00:00
abstract::The rheological properties of the vitreous body of the eye are believed to be a function of composition and to differ among species, as well as to vary regionally within the vitreous. These properties are essential to the mechanical functioning of the eye. Although there are gross, qualitative data on vitreous rheolog...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1992-295-612
更新日期:1992-09-01 00:00:00
abstract::The Cell Transit Analyser (CTA) provides a means to rapidly measure the deformability of large numbers of individual cells. It combines many of the advantages of micropipette studies with the simplicity and speed of filtrometry methods by measuring the duration of each resistive pulse generated as a cell passes throug...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1992-292-301
更新日期:1992-03-01 00:00:00
abstract::A model of intima thickening proposed by Friedman and his coworkers (1,2) is incorporated in our computer code to simulate the growth of intima under shear. The computer code is based on a finite volume method in a boundary-fitted coordinate system. It is found that the model yields an evenly-distributed thickening ov...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1992-292-312
更新日期:1992-03-01 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
pub_type: 杂志文章
doi:10.3233/bir-1991-281-209
更新日期:1991-01-01 00:00:00
abstract::The application of principles of biorheology, hemorheology and perihemorheology on problems of the nervous system in health and disease was suggested by Alfred L. Copley (1982, 1987). Late in 1988 Copley and Sourander considered neurobiorheology to be an appropriate term for a new branch of biorheology bridging the ga...
journal_title:Biorheology
pub_type: 历史文章,杂志文章
doi:10.3233/bir-1991-28603
更新日期:1991-01-01 00:00:00
abstract::Plasma fractionation by membrane filtration permits the reinfusion of the patient with his own albumin. In this study, the influence of membrane nature and plasma flux on plasma fractionation in dead-end mode is investigated with acetate hollow fiber filters. It is found that transmembrane pressure TMP rises exponenti...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1991-281-204
更新日期:1991-01-01 00:00:00
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
pub_type: 杂志文章
doi:10.3233/bir-1991-283-409
更新日期:1991-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1991-283-420
更新日期:1991-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1990-27505
更新日期:1990-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1990-27104
更新日期:1990-01-01 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
pub_type: 杂志文章,评审
doi:10.3233/bir-1990-273-410
更新日期:1990-01-01 00:00:00
abstract::Pentoxifylline (PTX) has been reported to enhance the early accumulation of neutrophils at the site of Staphylococcus aureus subcutaneous infection in mice (1) and to stimulate in vitro PMN chemotaxis, particularly under dense agarose (2). Among the biochemical events contributing to chemotaxis are actin polymerizatio...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1990-273-421
更新日期:1990-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1990-273-433
更新日期:1990-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1990-27613
更新日期:1990-01-01 00:00:00
abstract::Although most apparent in permanently misshapen irreversibly sickled erythrocytes (ISC), biochemical and structural alterations are present in the majority of sickle cell membranes. The relationship of membrane rigidity to cell shape and its dependence upon the internal hemoglobin cytosol are not clarified. We therefo...
journal_title:Biorheology
pub_type: 杂志文章
doi:
更新日期:1989-01-01 00:00:00
abstract::Magnitude and time-dependence of the effects of red cell aggregation and sedimentation on the rheology of human blood were studied during low shear (tau W 2.5 to 92 mPa) flow through horizontal tubes (ID 25 to 105 microns). Immediately following reduction of perfusion pressure to a low value the red cell concentration...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1989-26210
更新日期:1989-01-01 00:00:00
abstract::A rigidity index (RI) related to red blood cell deformability was measured by using the hemorheometre. The RI for 13 patients homozygous for sickle cell disease was 109 +/- 44 at 37 degrees C and at atmospheric pO2. The filtration time curve as a function of pO2 is biphasic for sickle cell suspensions. The pO2 at whic...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1989-26409
更新日期:1989-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1988-251-221
更新日期:1988-01-01 00:00:00
abstract::The separation process of blood and RBC suspensions in a hematocrit range between 0.3-0.7 was investigated with a centrifuge allowed to run at low accelerations (100 xg-1000 xg). The position of the interface between the supernatant of plasma and the RBC column was continuously recorded by a new optoelectronic measuri...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1988-251-233
更新日期:1988-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1988-251-242
更新日期:1988-01-01 00:00:00
abstract::A non-linear elastic model taking into account the microscopic structure of biological soft tissues is briefly presented and extended to quasi linear viscoelasticity. The modelling of the rheological behavior for near zero stress values is then discussed. ...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1988-251-216
更新日期:1988-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1988-25407
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
pub_type: 杂志文章
doi:10.3233/bir-1988-25309
更新日期:1988-01-01 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
pub_type: 杂志文章,评审
doi:10.3233/bir-1987-24609
更新日期:1987-01-01 00:00:00
abstract::The relationships between mucus rheology, depth of mucus layer and clearance by simulated cough were examined in a study employing a model plexiglass trachea lined with gels formed from locust bean gum crosslinked with sodium tetraborate. The viscoelastic properties of the mucus simulants were determined by magnetic r...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1987-24611
更新日期:1987-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1987-24626
更新日期:1987-01-01 00:00:00
abstract::The erythrocytes sedimentation profiles (ESP) of normal blood and of blood mixed with saline, albumin (7%), and various molecular weight dextrans of different concentrations, at various height and widths of the sample holder are determined. These observations show that the sedimentation characteristics of the erythroc...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1987-24106
更新日期:1987-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1987-24104
更新日期:1987-01-01 00:00:00
abstract::A theory for the rheological behavior and fluid flux in swelling tissues under small deformations is presented. Tissues are considered as bicomponent solid-fluid mixtures. Concentration effects are included. The driving forces (body, surface and interactive), are discussed and their constitutive relationships to the t...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1987-24210
更新日期:1987-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1987-24302
更新日期:1987-01-01 00:00:00
abstract::A generalized dispersion model is used to obtain exact solution for unsteady convective diffusion in the presence of couple stresses. The effect of the couple stress parameter 'a' on the most dominant dispersion coefficient is clearly depicted. The dimensionless mean concentration distribution is obtained as a functio...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1986-23404
更新日期:1986-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1986-23103
更新日期:1986-01-01 00:00:00
abstract::The viscosity and the order in the interior of human erythrocyte membranes were investigated by the fluorescence depolarization technique in the nanosecond region with 1,6-diphenyl-1,3,5-hexatriene (DPH). After pulsed excitation with a polarized light, the fluorescence anisotropy ratio of DPH in membranes rapidly decr...
journal_title:Biorheology
pub_type: 杂志文章
doi:10.3233/bir-1986-23504
更新日期:1986-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1985-22302
更新日期:1985-01-01 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
pub_type: 杂志文章
doi:10.3233/bir-1985-22106
更新日期:1985-01-01 00:00:00