Abstract
THE formation of bands of red cells in the blood vessels of live chick embryos during ultrasonication has been reported by Dyson, Woodward and Pond1. It was suggested that the segregation was primarily caused by Bernoulli forces between the cells owing to the displacement of the cells relative to the plasma, and that the standing wave was operative only in fixing the position of the segregation pattern. Here we suggest that it is primarily the standing wave which is the cause of the segregation.
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References
Dyson, M., Woodward, B., and Pond, J. B., Nature, 232, 572 (1971).
Hill, C. R., Physics Med. Biol., 15, 241 (1970).
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BAKER, N. Segregation and Sedimentation of Red Blood Cells in Ultrasonic Standing Waves. Nature 239, 398–399 (1972). https://doi.org/10.1038/239398a0
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DOI: https://doi.org/10.1038/239398a0
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