1987
DOI: 10.3233/bir-1987-24630
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Thixotropic properties of whole blood from healthy human subjects

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Cited by 29 publications
(18 citation statements)
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“…However, the non-Newtonian behavior is most evident at very low shear rates when the red blood cells clump together into larger particles. According to Berger and Jou [1] and Huang et al [18], the shear rates fall below that asymptotic level when the viscosity of blood increases and the non-Newtonian properties of blood are exhibited, especially when the shear rates drop below 10 s −1 . Blood also exhibits non-Newtonian behavior in small branches and capillaries, where the cells squeeze through microvasculature and a cell-free skimming layer reduces the effective viscosity through the tube.…”
Section: Introductionmentioning
confidence: 99%
“…However, the non-Newtonian behavior is most evident at very low shear rates when the red blood cells clump together into larger particles. According to Berger and Jou [1] and Huang et al [18], the shear rates fall below that asymptotic level when the viscosity of blood increases and the non-Newtonian properties of blood are exhibited, especially when the shear rates drop below 10 s −1 . Blood also exhibits non-Newtonian behavior in small branches and capillaries, where the cells squeeze through microvasculature and a cell-free skimming layer reduces the effective viscosity through the tube.…”
Section: Introductionmentioning
confidence: 99%
“…The matrix inversion process can be computationally intense, and if deconvolution is employed, it can amplify noise in the image [14]. Moreover, the system matrix estimate is often acquired from nanoparticles in water, which may not match the viscosity of blood, a thixotropic fluid [15]. Further, blood viscosity is known to decrease by about 35% [16] from larger vessels (0.5 mm in diameter) to capillaries (40 microns in diameter) due to the Fåhræus–Lindqvist effect.…”
Section: Introductionmentioning
confidence: 99%
“…The thixotropic nature of blood stems from the aggregation/disaggregation of rouleaux which is governed by its own time scales affected by the concentration of plasma proteins [42] and hematocrit [9]. In particular, the yield stress in dense, soft colloidal suspensions such as blood is typically attributed to an internal structure that develops, deforms, and decays in a way that depends critically not only on the current flow kinematics but also on its deformation history, thus giving rise to thixotropy [9,21,43,44]. Some of the first reports were those of Lacombe and Quemada [21,45], who focused on the description of these transient blood flow phenomena.…”
Section: Introductionmentioning
confidence: 99%