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Negative charge distribution and density on the surface of oxygenated normal and sickle red cells

LJ Clark, LS Chan, DR Powars and RF Baker

Negative charges on the external surface of red cells were visualized by colloidal iron hydroxide labelling of 50% of the membrane area after osmotic hemolysis and glutaraldehyde fixation. Counts were made over randomly selected areas on electron micrographs at 350,000 x magnification. Statistical analyses showed that at the 95% level of confidence there was no significant difference between oxygenated normal (AA) and sickle (SS) cells in either the distribution or the density of negative charges.

Volume 57, Issue 4, pp. 675-678, 04/01/1981
Copyright © 1981 by The American Society of Hematology


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  Copyright © 1981 by American Society of Hematology         Online ISSN: 1528-0020