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This research examines the behavior of red blood cells under shear flow conditions, specifically focusing on their membrane dynamics.

November 24, 1978Science424 citations

The Red Cell as a Fluid Droplet: Tank Tread-Like Motion of the Human Erythrocyte Membrane in Shear Flow

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TFThomas M. FischerUniversity of Bayreuth MSM. Stöhr-LiesenWestfälische Hochschule HSH. Schmid‐SchönbeinUniversitätsklinikum Aachen

Key Points

This research examines the behavior of red blood cells under shear flow conditions, specifically focusing on their membrane dynamics.
Observed individual red cells in viscometric flow of whole human blood and dilute suspensions.
Measured and analyzed cell elongation and orientation in the shear field.
Quantitatively assessed tank tread-like motion of the erythrocyte membrane.
Red cells exhibit elongation and orientation in shear flow.
Membrane demonstrates a tank tread-like motion around the cell content.
Quantitative measurements affirm the observed behavior in dilute suspensions.

Abstract

When whole human blood is subjected to viscometric flow, individual red cells are seen to be elongated and oriented in the shear field. In addition, a tank tread-like motion of the membrane around the cell content occurs. In dilute suspensions of erythrocytes in viscous media, the same behavior is better observed and can also be measured quantitatively.

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The Red Cell as a Fluid Droplet: Tank Tread-Like Motion of the Human Erythrocyte Membrane in Shear Flow

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