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Biorheology is an international interdisciplinary journal that publishes research on the deformation and flow properties of biological systems or materials. It is the aim of the editors and publishers of
Biorheology to bring together contributions from those working in various fields of biorheological research from all over the world. A diverse editorial board with broad international representation provides guidance and expertise in wide-ranging applications of rheological methods to biological systems and materials.
The aim of biorheological research is to determine and characterize the dynamics of physiological processes at all levels of organization. Manuscripts should report original theoretical and/or experimental research promoting the scientific and technological advances in a broad field that ranges from the rheology of macromolecules and macromolecular arrays to cell, tissue and organ rheology. In all these areas, the interrelationships of rheological properties of the systems or materials investigated and their structural and functional aspects are stressed.
The scope of papers solicited by
Biorheology extends to systems at different levels of organization that have never been studied before, or, if studied previously, have either never been analyzed in terms of their rheological properties or have not been studied from the point of view of the rheological matching between their structural and functional properties. This biorheological approach applies in particular to molecular studies where changes of physical properties and conformation are investigated without reference to how the process actually takes place, how the forces generated are matched to the properties of the structures and environment concerned, proper time scales, or what structures or strength of structures are required.
Biorheology invites papers in which such 'molecular biorheological' aspects, whether in animal or plant systems, are examined and discussed. While we emphasize the biorheology of physiological function in organs and systems, the biorheology of disease is of equal interest. Biorheological analyses of pathological processes and their clinical implications are encouraged, including basic clinical research on hemodynamics and hemorheology.
In keeping with the rapidly developing fields of mechanobiology and regenerative medicine,
Biorheology aims to include studies of the rheological aspects of these fields by focusing on the dynamics of mechanical stress formation and the response of biological materials at the molecular and cellular level resulting from fluid-solid interactions. With increasing focus on new applications of nanotechnology to biological systems, rheological studies of the behavior of biological materials in therapeutic or diagnostic medical devices operating at the micro and nano scales are most welcome.
Abstract: Peristaltik tritt als physiologischer Pumpvorgang in verschiedenen Hohlorganen des Körpers auf. Es ist das Ziel dieses Beitrages, bestehende Modelle um den Einfluß unsymmetrischer Wellenformen, größ erer Amplitudenverhältnisse und höherer Reynoldszahlen zu erweitern. Hierzu sind theoretische und experimentelle Untersuchungen unter den Bedingungen ebener Stromung durchgeführt worden. Der theoretische Teil beruht auf einer Finite-Elemente-Näherung mit knotenlosen Druckvariablen unter Verwendung eines modifizierten Galerkin-Verfahrens. Der Versuchsstand besteht aus einem geraden Kanal mit flexiblem Boden, der durch ein Förderband, auf dem Nocken unterschiedlicher Höhe die Wellenform bilden, transversal bewegt wird. Volumenstrom, Förderhöhe und Druckverteilung sind abhängig von der Form der flexiblen Wandung gemessen worden.…Bei niedrigen Reynoldszahlen besteht ein hohes Maß an Übereinstimmung zwischen Rechnung und Experiment. Es zeigt sich, daß eine Änderung der Wellenform einen starken Einfluß auf die Druckverläufe im Kanal hat. Jedoch übt die Wellenform zumindest für kleine Reynoldszahlen keinen nennenswerten Einfluß auf Förderhohe und Volumenstrom aus.
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DOI: 10.3233/BIR-1978-155-623
Citation: Biorheology,
vol. 15, no. 5-6, pp. 501-510, 1978
Abstract: Change in the length of segments along the muscle elicited by electrical stimulation was measured on intact canine and pig papillary muscles that were held isometric end to end (overall). All papillary muscles showed a non-uniform pattern of contraction and extension along their length. The pattern of deformation was not unique. These observations are scrutinized in the light of current conflicts in papillary muscle mechanics.
DOI: 10.3233/BIR-1978-155-624
Citation: Biorheology,
vol. 15, no. 5-6, pp. 511-522, 1978
Abstract: Using a physical model of convenient macroscopic scale with blood simulated by gelatin pellets in a silicone fluid, the red cell distribution in the pulmonary alveoli was studied. Information pertaining to the flow characteristics of blood at the bifurcation lines of the inter alveolar septa was obtained. The vascular space in each interalveolar septa is said to be a sheet. The results show that when a sheet branches into two daughter sheets, the hematocrits in the daughter sheets depend on the difference of velocity of flow in these branches.
DOI: 10.3233/BIR-1978-155-625
Citation: Biorheology,
vol. 15, no. 5-6, pp. 523-536, 1978