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Open Access Green as soon as Postprint is submitted to ZB.
Axial concentration in narrow tube flow for various RBC suspensions as function of wall shear stress.
Pflugers Arch. 355, 40 (1975)
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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Publication type
Article: Journal article
Document type
Meeting abstract
ISSN (print) / ISBN
0031-6768
e-ISSN
1432-2013
Journal
Pflügers Archiv
Quellenangaben
Volume: 355,
Pages: 40
Publisher
Springer
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Departments & Institutes