Abstract
A SMALL drop of citrated human blood is placed on a slide next to a somewhat larger drop of Ponceau 2R and the two drops are mixed, covered with a cover glass and examined both with ordinary and polarized light. Under the double action of the dye and the hypotonicity, all the red cells become perfectly spherical with a diameter ranging from 5.0 to 5.6µ and stain weakly orange-red. No birefringence is observed.
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TEITAL, A., MARCUS, N. Physicochemical Investigations of Erythrocyte Membranes. Nature 181, 714–715 (1958). https://doi.org/10.1038/181714a0
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DOI: https://doi.org/10.1038/181714a0
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