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Devendran, T. ; Schmid-Schöenbein, H.J.

Axial concentration in narrow tube flow for various RBC suspensions as function of wall shear stress.

Pflugers Arch. 355, 40 (1975)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The flow of RBC suspensions (Hct 25 and 30%) in a constricted section (of length 35 mm and diameter 0.20 mm) in a glass tube was photographed under dark field illumination. The wall shear stress ranged from 0 to 150 dynes/cm2. The following supensions were investigated: normal RBC in plasma (highly deformable); osmotically crenated RBC in hypertonic plasma (hardly deformable); RBC in a 4:1 mixture of plasma and Rheomacrodex (non aggregating). The thickness δ of the cell free medium at the wall was plotted as function of wall shear stress E(w). It was observed that: on increasing E(w) from zero, δ increases to a maximum for values of E(w) between 1.5 and 5.0 dynes/cm2 (maximum axial concentration), then decreases to zero at very high E(w) (no axial concentration); osmotic crenation as well as inhibition of aggregation result in decreased axial concentration for all E(w).
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Meeting abstract
Korrespondenzautor
ISSN (print) / ISBN 0031-6768
e-ISSN 1432-2013
Zeitschrift Pflügers Archiv
Quellenangaben Band: 355, Heft: , Seiten: 40 Artikelnummer: , Supplement: ,
Verlag Springer
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed