Comments on "Erythrocyte and ghost cytoplasmic resistivity and voltage-dependent apparent size"

Pilwat, G.; Zimmermann, U.

doi:10.1016/s0006-3495(85)83822-4

Biophysical Journal

1985

DOI: 10.1016/s0006-3495(85)83822-4

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Comments on "Erythrocyte and ghost cytoplasmic resistivity and voltage-dependent apparent size"

G. Pilwat¹,

U. Zimmermann²

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1986

1989

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Cited by 3 publications

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Membrane and cytoplasmic resistivity properties of normal and sickle red blood cells

Richieri

Mel

1986

Cell Biophysics

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The cytoplasmic resistivities and membrane breakdown potentials of normal (AA), sickle-cell-trait (AS), as sickle (SS) red blood cells have been measured by the biophysical methodology of resistive pulse spectroscopy over a range of osmolalities. At isotonicity, the average membrane breakdown potentials are virtually identical for the three types of cells occurring at about 1150 V/cm. Average isotonic cytoplasmic resistivities are somewhat higher for the SS cells (166.7 +/- 7.49 ohm-cm) compared to the AA (147.6 +/- 1.98 ohm-cm) or AS cells (148.7 +/- 1.79 ohm-cm). As medium osmolality is varied, the differences in resistive properties become enlarged, especially at very low and very high osmolalities. At high osmolalities, both types of sickle cells show a large increase in internal resistivity compared to the normals; at low osmolality, the SS samples exhibit a distinctly different membrane breakdown characteristic, decreasing in this parameter, whereas the other two groups increase. Of the 15 SS samples tested, three displayed much higher cytoplasmic resistivities at isotonicity: 218.2 +/- 5.25 ohm-cm, compared to an average of 153.5 +/- 3.46 ohm-cm for the other 12. The relationship between these high resistivities and the subfraction of irreversibly sickled cells in the sample is discussed.

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Membrane and cytoplasmic resistivity properties of normal and sickle red blood cells

Richieri

Mel

1986

Cell Biophysics

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Ac-field-induced KCl leakage from human red cells at low ionic strengths

Georgiewa¹,

Donath²,

Gimsa³

et al. 1989

Journal of Electroanalytical Chemistry and Interfacial Electroc

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Ac-field-induced KCl leakage from human red cells at low ionic strengths

Georgiewa

Donath

Gimsa

et al. 1989

Bioelectrochemistry and Bioenergetics

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Comments on "Erythrocyte and ghost cytoplasmic resistivity and voltage-dependent apparent size"

Cited by 3 publications

References 12 publications

Membrane and cytoplasmic resistivity properties of normal and sickle red blood cells

Membrane and cytoplasmic resistivity properties of normal and sickle red blood cells

Ac-field-induced KCl leakage from human red cells at low ionic strengths

Ac-field-induced KCl leakage from human red cells at low ionic strengths

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