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. 2012 Dec 3;109(51):20808–20813. doi: 10.1073/pnas.1210236109

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Fig. 3. — Flipping of RBCs observed in the shear plane (y-view). (A) Experimental time variation of the inclination angle θ ( = 9 s⁻¹) and fit by the function (solid curve). (B) Variation of the orbit of one flipping RBC with increasing shear rate [dextran 2 10⁶ g/mol, c = 9% (wt/wt)]. (B, 1) , time sequence of 10.6 s. (B, 2) , time sequence of 13.72 s. (B, 3) , time sequence of 3.84 s. (C) Variation of the product with the shear rate, where A and B are determined from the fit: . The variation is in agreement with Jeffery and KS laws (solid line: bisector). (C, Inset) Histogram of values of A obtained by the fits for RBCs in various conditions. Stiffened and normal cells in dextran 10⁵ g/mol, c = 9% (wt/wt) (green) , (blue) . Cells in dextran 2 10⁶ g/mol, c = 9% and 7.5%: (green) , (blue) .

Inline graphic — Flipping of RBCs observed in the shear plane (y-view). (A) Experimental time variation of the inclination angle θ ( = 9 s⁻¹) and fit by the function (solid curve). (B) Variation of the orbit of one flipping RBC with increasing shear rate [dextran 2 10⁶ g/mol, c = 9% (wt/wt)]. (B, 1) , time sequence of 10.6 s. (B, 2) , time sequence of 13.72 s. (B, 3) , time sequence of 3.84 s. (C) Variation of the product with the shear rate, where A and B are determined from the fit: . The variation is in agreement with Jeffery and KS laws (solid line: bisector). (C, Inset) Histogram of values of A obtained by the fits for RBCs in various conditions. Stiffened and normal cells in dextran 10⁵ g/mol, c = 9% (wt/wt) (green) , (blue) . Cells in dextran 2 10⁶ g/mol, c = 9% and 7.5%: (green) , (blue) .