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Biophysical Journal 46: 219-227 (1984)
© 1984 the Biophysical Society

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Anomalous diffusion of erythrocytes in the presence of polyvinylpyrrolidone.

O G Fritz, Jr

ABSTRACT

The diffusion coefficient of erythrocytes was measured using quasi-elastic light-scattering (QELS) techniques. The cells were suspended in phosphate-buffered saline solutions with and without a macromolecule, polyvinylpyrrolidone (PVP[360]). In the presence of the PVP(360) an anomalously high diffusion coefficient was measured for metabolizing cells with a normal transmembrane potential. The results are in agreement with experiments on rouleau formation by red blood cells and are supportive of the hypothesis of a long-range coherent interaction between metabolically active biological cells.






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Copyright © 1984 by the Biophysical Society.