Red Cell Rheology

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Publisher : Springer Science & Business Media
ISBN 13 : 3642670598
Total Pages : 418 pages
Book Rating : 4.6/5 (426 download)

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Book Synopsis Red Cell Rheology by : M. Bessis

Download or read book Red Cell Rheology written by M. Bessis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hemolysis during filtration through micropores studied by Chien et al. [I] showed a dependence on pressure gradient and pore diameter that, at the time of publication, did not permit an easy interpretation of the hemolytic mechanism. Acting on the assumption that thresholds of hemolysis are easier to correlate with physical forces than extents of hemolysis, we performed a series of experi ments repeating some of the conditions reported in [I] and then focusing on low L1P in order to define better the thresholds of hemolysis for several pore sizes. Employing a model of a deformed red cell shape at the pore entrance (based on micropipette observations) we related the force field in the fluid to a biaxial tension in the membrane. The threshold for lysis correlated with a membrane tension of 30 dynes/cm. This quantity is in agreement with lysis data from a number of other investigators employing a variety of mechanisms for introduc ing membrane tension. The sequence of events represented here is: a. Fluid forces and pressure gradients deform the cell into a new, elongated shape. b. Extent of deformation becomes limited by the resistance of the cell mem brane to undergo an increase in area. c. Fluid forces and pressure gradients acting on the deformed cell membrane cause an increase in biaxial tension in the membrane. d. When the strain caused by this tension causes pores to open in the membrane, the threshold for hemolysis has been reached [2].

Red Cell Rheology (I)

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Publisher :
ISBN 13 :
Total Pages : 221 pages
Book Rating : 4.:/5 (157 download)

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Book Synopsis Red Cell Rheology (I) by : Stephen B. Shohet

Download or read book Red Cell Rheology (I) written by Stephen B. Shohet and published by . This book was released on 1977 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Physiology in Intensive Care Medicine

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Publisher : Springer Science & Business Media
ISBN 13 : 3540373632
Total Pages : 367 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Applied Physiology in Intensive Care Medicine by : Michael R. Pinsky

Download or read book Applied Physiology in Intensive Care Medicine written by Michael R. Pinsky and published by Springer Science & Business Media. This book was released on 2007-05-19 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: Te practice of intensive care medicine is at the very forefront of titration of treatment andmonitoringresponse. Te substrateofthiscareisthe criticallyill patientwho,by defnition, is at the limits of his or her physiologic reserve. Such patients need immediate, aggressive but balanced life-altering interventions to minimize the detrimental aspects of acute illness and hasten recovery. Treatmentdecisionsandresponsetotherapyareusually assessed by measures of physiologic function, such as assessed by cardio-respiratory monitoring. However, how one uses such information is ofen unclear and rarely supported by prospective clinical trials. In reality, the bedside clinician is forced to rely primarily on physiologic principles in determining the best treatments and response to therapy. However, the physiologic foundation present in practicing physicians is uneven and occasionally supported more by habit or prior training than science. A series of short papers published in Intensive Care Medicine since 2002 under the heading Physiologic Notes attempts to capture the essence of the physiologic perspectives that underpin both our understanding of disease and response to therapy. Tis present volume combines the complete list of these Physiologic Notes up until July 2006 with the ass o cia t ed r e vie w a r tic les o v er t h e s a m e in t er val t ha t a ls o addr ess e d t hes e cen tral issues.

Red Blood Cell Aggregation

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Publisher : CRC Press
ISBN 13 : 1439841810
Total Pages : 310 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Red Blood Cell Aggregation by : Oguz Baskurt

Download or read book Red Blood Cell Aggregation written by Oguz Baskurt and published by CRC Press. This book was released on 2011-09-28 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Red blood cells in humans-and most other mammals-have a tendency to form aggregates with a characteristic face-to-face morphology, similar to a stack of coins. Known as rouleaux, these aggregates are a normally occurring phenomenon and have a major impact on blood rheology. What is the underlying mechanism that produces this pattern? Does this real

Computer Simulation Study of Collective Phenomena in Dense Suspensions of Red Blood Cells under Shear

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Publisher : Springer Science & Business Media
ISBN 13 : 3834823767
Total Pages : 169 pages
Book Rating : 4.8/5 (348 download)

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Book Synopsis Computer Simulation Study of Collective Phenomena in Dense Suspensions of Red Blood Cells under Shear by : Timm Krüger

Download or read book Computer Simulation Study of Collective Phenomena in Dense Suspensions of Red Blood Cells under Shear written by Timm Krüger and published by Springer Science & Business Media. This book was released on 2012-10-02 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rheology of dense red blood cell suspensions is investigated via computer simulations based on the lattice Boltzmann, the immersed boundary, and the finite element methods. The red blood cells are treated as extended and deformable particles immersed in the ambient fluid. In the first part of the work, the numerical model and strategies for stress evaluation are discussed. In the second part, the behavior of the suspensions in simple shear flow is studied for different volume fractions, particle deformabilities, and shear rates. Shear thinning behavior is recovered. The existence of a shear-induced transition from a tumbling to a tank-treading motion is demonstrated. The transition can be parameterized by a single quantity, namely the effective capillary number. It is the ratio of the suspension stress and the characteristic particle membrane stress. At the transition point, a strong increase in the orientational order of the red blood cells and a significant decrease of the particle diffusivity are observed. However, the average cell deformation shows no signature of the transition.

Biorheology

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Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Biorheology by : Alfred L. Copley

Download or read book Biorheology written by Alfred L. Copley and published by . This book was released on 1978 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Hemorheology and Hemodynamics

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Publisher : IOS Press
ISBN 13 : 1607502631
Total Pages : 468 pages
Book Rating : 4.6/5 (75 download)

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Book Synopsis Handbook of Hemorheology and Hemodynamics by : O.K. Baskurt

Download or read book Handbook of Hemorheology and Hemodynamics written by O.K. Baskurt and published by IOS Press. This book was released on 2007-10-03 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication primarily focuses on the macro- and micro-rheological behavior of blood and its formed elements, on interactions between the formed elements and blood vessel walls, and on the microvascular aspects of hemodynamics. Since many aspects of hemorheology and hemodynamics are affected by disease or clinical states, these effects are discussed as are hyperviscosity syndromes, therapy for disturbed blood rheology, and methods in hemorheology and hemodynamics. Sections of the Handbook include History of Hemorheology; Hemorheology, covering basic aspects, blood composition, blood rheology, cell mechanics, pathophysiology, methods and comparative studies; Hemodynamics, covering basic principles, microcirculation, in vivo effects, endothelium and methods; and Clinical Aspects of Hemorheology, covering hyperviscosity, clinical significance and treatment. The goal is to foster greater interchange between workers in the fields so as to promote collaborative efforts and, hopefully, improved health. In selecting topics for this handbook the editors have attempted to provide a general overview of both basic science and clinical hemorheology and hemodynamics. Hemorheology and hemodynamics are closely related, the former dealing with all aspects of the flow and interactions of the individual blood cells mostly studied in vitro, the latter with the in vivo relationships among vessel architecture, driving pressure, flow rate and shear stress. The linkage between the in vitro and in vivo research described in the book will be of interest to both basic science and clinical investigators. The editors of the handbook have each been active in the fields of bio- and hemorheology for many years, and have published extensively. They have successfully achieved their objective to publish a well-written and well-edited handbook that will be valuable for researchers and students in the field.

Encyclopedia of Exercise Medicine in Health and Disease

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Publisher : Springer
ISBN 13 : 9783540360650
Total Pages : 0 pages
Book Rating : 4.3/5 (66 download)

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Book Synopsis Encyclopedia of Exercise Medicine in Health and Disease by : Frank C. Mooren

Download or read book Encyclopedia of Exercise Medicine in Health and Disease written by Frank C. Mooren and published by Springer. This book was released on 2012-04-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Exercise Medicine is intelligently structured, easy accessible and user-friendly: A-Z format, clear, concise language and uniform essay structure as well as extensive cross references between keywords and related articles enables efficient searches in a user-friendly manner both for experts and newcomers. It is intended to be a comprehensive up-to-date data base on the adaptation of the human body to exercise and on the therapeutic use of exercise with up to 2,000 keywords. It covers all aspects within the full range of modern exercise medicine of each particular scientific discipline (cancer, parasitology, aging, etc.). This includes information on methodological approaches to measuring the principle components of motor fitness, and practical aspects of their enhancement by trainings regimes as well as by nutrition and the application of drugs. Such a wide range of entries, all written by leading experts in their respective fields, will therefore address both the basic/clinical scientist as well as the practitioner. Moreover, the Encyclopedia of Exercise Medicine is aimed at people in related fields, health care professionals, physiotherapists, trainers, students, informed athletes and interested laypersons. It is available both in print and as a fully searchable and hyperlinked electronic online edition.

White Blood Cells

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Publisher : Springer Science & Business Media
ISBN 13 : 9400975856
Total Pages : 181 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis White Blood Cells by : U. Bagge

Download or read book White Blood Cells written by U. Bagge and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings, with Commentary, of the Symposium held at London, England October 3-4, 1981

Clinical Blood Rheology

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Publisher : CRC Press
ISBN 13 : 0429536763
Total Pages : 284 pages
Book Rating : 4.4/5 (295 download)

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Book Synopsis Clinical Blood Rheology by : Gordon D.O. Lowe

Download or read book Clinical Blood Rheology written by Gordon D.O. Lowe and published by CRC Press. This book was released on 2019-06-04 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published in 1988: Study of blood flow properties (rheology) has attracted growing interest from clinicians in recent years. A United Kingdom meeting and a European meeting in 1979 resulted in previous publications summarizing the literature up to that time.

Dynamics of Blood Cell Suspensions in Microflows

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Publisher : CRC Press
ISBN 13 : 1315395134
Total Pages : 457 pages
Book Rating : 4.3/5 (153 download)

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Book Synopsis Dynamics of Blood Cell Suspensions in Microflows by : Annie Viallat

Download or read book Dynamics of Blood Cell Suspensions in Microflows written by Annie Viallat and published by CRC Press. This book was released on 2019-12-09 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book to provide a physical perspective of blood microcirculation Draws attention to the potential of this physical approach for novel applications in medicine Edited by specialists in this field, with chapter contributions from subject area specialists

Clinical Aspects of Blood Viscosity and Cell Deformability

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Publisher : Springer Science & Business Media
ISBN 13 : 1447131053
Total Pages : 268 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Clinical Aspects of Blood Viscosity and Cell Deformability by : G. D. O. Lowe

Download or read book Clinical Aspects of Blood Viscosity and Cell Deformability written by G. D. O. Lowe and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: After many years of relative neglect, the importance of study of factors governing blood flow has at last achieved recognition; in this volume are documented many of the techniques, and the basic scientific and clinical observations, which have helped to open up understanding of this highly important aspect of human physiology and pathology in recent years. The text is logically divided into five sections beginning with blood cell deformability, then moving on to theoretical consideration of blood rheology, followed by accounts of the interrelationships between rheology, blood flow and vascular occlusion. The final two sections deal with blood rheology in clinical practice and therapeutic aspects of the study of blood flow. As regards blood cell deformability (Section A), the basic problem is set out by Kiesewetter and colleagues in the first paragraph of chapter 1 (p. 3), in which they point out that whereas human erythrocytes at rest have a diameter of approxi mately 7. 5 /-tm, nutritive capillaries have diameters ranging from 3-5 /-tm, and chapters in section A give an account of the ways in which the red cell can undergo deformation to permit capillary perfusion and the maintenance of the microcirculation.

Blood Cells, Rheology and Aging

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Publisher : Springer
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Blood Cells, Rheology and Aging by : Dieter Platt

Download or read book Blood Cells, Rheology and Aging written by Dieter Platt and published by Springer. This book was released on 1988 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the third Erlangen-Nuremberg symposium on experimental geronto logy we discussed the effect of aging on blood cells and rheology. Most studies with red cells have been performed on humans, rats, and rabbits. All these erythrocytes have no nucleus; the cells are therefore a model in which new synthesis of proteins is impossible. All the processes are age dependent except for exchange with the plasma. Investigations of red cells have attracted attention because of the latter's availability in large quantities from biochemists, physiologists, immunologists, and micro scopists. We now have a relative abundance of data on the biochemical and immunologic composition as well as on the ultrastructure of the cells. The second topic under discussion at the symposium was the immune system and cell receptors. One of the most apparent features of aging of the organism is progressive dysregulation of the immune system. As a result, the incidence of infection, cancer, and autoimmune and immune complex diseases increases. While we have a lot of new data on the function and differentiation of lymphoid cells, we have little informa tion on lymphocyte receptors during the aging process. Rheologic studies reflect changes in red cell deformability and blood coagulation. The erythrocyte deformability influences blood flow in all parts of the circulation. The fluidity of the red cell membranes controls whole blood viscosity. During aging, there are significant alterations in blood coagulation and hemostasis. One of the best known modifications of blood co agulation is a typical thrombophilic tendency with aging.

Red Blood Cell Membranes

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Publisher : CRC Press
ISBN 13 : 9780824780227
Total Pages : 768 pages
Book Rating : 4.7/5 (82 download)

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Book Synopsis Red Blood Cell Membranes by : Peter Agre

Download or read book Red Blood Cell Membranes written by Peter Agre and published by CRC Press. This book was released on 1989-03-24 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the red blood cell membrane, its structure and function, and abnormalities in disease states. It presents a well-documented and well-illustrated comprehensive picture of clinical manifestations of red blood cell disorders.

Hemorheology in Practice

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Publisher : IOS Press
ISBN 13 : 9789051994353
Total Pages : 142 pages
Book Rating : 4.9/5 (943 download)

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Book Synopsis Hemorheology in Practice by : J. F. Stoltz

Download or read book Hemorheology in Practice written by J. F. Stoltz and published by IOS Press. This book was released on 1999 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Haemorheology is the study of how the blood, the blood cells and the vessels can function and interact as parts of the living organism. It is presented in this text as a sensitive tool for the recognition of the functional evidences and defects of blood flow.

The Lattice Boltzmann Equation

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Publisher : Oxford University Press
ISBN 13 : 9780198503989
Total Pages : 308 pages
Book Rating : 4.5/5 (39 download)

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Book Synopsis The Lattice Boltzmann Equation by : S. Succi

Download or read book The Lattice Boltzmann Equation written by S. Succi and published by Oxford University Press. This book was released on 2001-06-28 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Certain forms of the Boltzmann equation, have emerged, which relinquish most mathematical complexities of the true Boltzmann equation. This text provides a detailed survey of Lattice Boltzmann equation theory and its major applications.

Rheology of Biological Systems

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Publisher : Charles C. Thomas Publisher
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Rheology of Biological Systems by : American Institute of Chemical Engineers

Download or read book Rheology of Biological Systems written by American Institute of Chemical Engineers and published by Charles C. Thomas Publisher. This book was released on 1973 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: