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The present study aimed to investigate the rheological properties of rat blood serum at wide range of shear rates after whole body irradiation with different gamma radiation doses in vivo. flow pattern and rheological properties of blood [9]. The aim of the present paper is to determine blood resistivity using a procedure based on dielectric spectroscopy and to . 2 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 its properties in vitro.

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In order to better understand the blood flow in an arterial stenosis, it is important to investigate the rheological properties of blood. Blood is often classified as a non-Newtonian fluid due to the behavior of red blood cells and the nonlinear relationship observed between blood viscosity and shear rate. The effects of transfusion on the rheological properties of blood in sickle cell anemia were studied in 15 patients. Blood samples were obtained before and after transfusion of normal (hemoglobin AA) packed cells.

charantia L. (M. charantia) nanoparticles and polyethylene glycol (PEG) microspheres adsorbed with M. charantia nanoparticles on the blood of hyperglycemic patients is presented. Blood samples were collected according to glycemic status: normoglycemic and hyperglycemic .

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The effects of transfusion on the rheological properties of blood in sickle cell anemia were studied in 15 patients. Blood samples were obtained before and after transfusion of normal (hemoglobin AA) packed cells. Blood viscosity was determined with a coaxial cylinder viscometer over a wide range of shear rates.

Rheological properties of blood

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Rheological properties of blood

The aim of the present paper is to determine blood resistivity using a procedure based on dielectric spectroscopy and to . 2 Abstract. The data on the state of the rheological properties of blood and the thrombocytic‐vascular chain of hemostasis in the dynamics of development of transitional ischemic attacks and acute ischemic insult are presented and compared to the indices of healthy persons and patients with chronic cerebrovascular pathology.

Alterations of these properties play significant roles in disease processes. Blood viscosity is determined by plasma viscosity, hematocrit and mechanical properties of red blood cells. Red blood cells have unique mechanical behavior, which can [Rheological properties of blood]. [Article in Czech] Bulvas M. PMID: 6380096 [PubMed - indexed for MEDLINE] Publication Types: English Abstract; Review; MeSH Terms. Blood Viscosity* Erythrocyte Aggregation; Erythrocyte Count; Erythrocytes/physiology; Humans; Plasma/physiology; Rheology* Blood rheology is the scientific field working on the biophysical properties and flow properties of blood.
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Rheological properties of blood

However, salvaged blood contained highly activated neutrophils with a prolonged transit time of the ‘fast‐flowing’ cells in the analysis compared to bank blood. Rheological properties of blood serum of rats after irradiation with different gamma radiation doses in vivo 352 Pak. J. Pharm. Sci., Vol.29 No.1(Suppl), January 2016, pp.351-355 [(The 1st group irradiated with 25Gy gamma radiation (n=10); the 2nd group irradiated with 50Gy (n=10); the 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 its properties in vitro.

Br J Haematol 1998:101:291-303. 9. Lee MT  Referenser. 1. Bohlin L, Method for measuring rheological. properties and rheometer for carrying out the met- platelets in blood coagulation - Effects of platelet.
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Rheological properties of blood

For instance, the apparent viscosity of blood in microvessels is substantially lower than its bulk value (Fahraeus and Lindqvist, 1931) over a wide range of vessel diameters. Blood Fluidity as a Consequence of Red Cell Fluidity: Flow Properties of Blood and Flow Behavior of Blood in Vascular Diseases 2 July 2016 | Angiology, Vol. 31, No. 5 Deterimental effect of prolonged hypothermia in cats and monkeys with and without regional cerebral ischemia. The technique involving filtration of diluted blood enables the separate analysis of the flow properties of different cell subpopulations. This study was designed to assess the changes occurring in the flow properties and function of blood cells in stored bank blood and salvaged blood compared to patient blood in a given clinical situation. Blood viscosity is an important determinant of local flow characteristics, which exhibits shear thinning behavior: it decreases exponentially with increasing shear rates. Both hematocrit and plasma viscosity influence blood viscosity. The shear thinning property of blood is mainly attributed to red blood cell (RBC) rheological properties.

With increasing cellular fraction in blood, viscosity increases. Plasma expanders are typically Newtonian fluids of viscosity different from that of blood. They alter the rheological prop-erties of blood as a consequence of The rheological properties of blood and blood vessels are a ected by the body intake of uids, nutrients and medication [2{5], although in most cases the e ect is not substantial except possibly over short periods of time and normally does not have lasting consequences. Blood, a valuable by-product of livestock slaughter, has numerous food, industrial, and pharmaceutical uses. Physical and rheological properties, including apparent viscosity, density, surface tension, thermal conductivity, and specific heat, are needed for the design of transport processes and by-product applications such as spray drying, blending, and extrusion. In contrast, one season of winter swimming did not influence swimmers' median value of fibrinogen concentration. In summary, this study revealed positive effects of winter swimming on the rheological properties of blood, manifested by an increase in erythrocyte deformability without accompanying changes in erythrocyte aggregation.
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[Article in Czech] Bulvas M. PMID: 6380096 [PubMed - indexed for MEDLINE] Publication Types: English Abstract; Review; MeSH Terms. Blood Viscosity* Erythrocyte Aggregation; Erythrocyte Count; Erythrocytes/physiology; Humans; Plasma/physiology; Rheology* Rheological properties of blood and parameters of platelets aggregation in arterial hypertension.