Two‐dimensional impedance studies of BSA buoyant density separated human erythrocytes

Combined DC (Coulter Volume) and radio frequency impedance studies were performed on human erythrocytes which had been separated by buoyant density in linear, neutral, isotonic bovine serum albumin gradients. The individual buoyant density fractions showed no reproducible shift in volume with buoyan...

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Veröffentlicht in:Cytometry (New York, N.Y.) N.Y.), 1985-01, Vol.6 (1), p.13-21
Hauptverfasser: Leif, R. C., Schwartz, S., Rodriguez, C. M., Pell‐Fernandez, L., Groves, M., Leif, S. B., Cayer, M., Crews, H.
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container_end_page 21
container_issue 1
container_start_page 13
container_title Cytometry (New York, N.Y.)
container_volume 6
creator Leif, R. C.
Schwartz, S.
Rodriguez, C. M.
Pell‐Fernandez, L.
Groves, M.
Leif, S. B.
Cayer, M.
Crews, H.
description Combined DC (Coulter Volume) and radio frequency impedance studies were performed on human erythrocytes which had been separated by buoyant density in linear, neutral, isotonic bovine serum albumin gradients. The individual buoyant density fractions showed no reproducible shift in volume with buoyant density but did show a shift with opacity, radio frequency impedance divided by dc impedance. This new electronic parameter of opacity can be related to cell age, since both it and cell age are directly related to buoyant density. This increase in opacity with buoyant density is correlated with a change in shape.
doi_str_mv 10.1002/cyto.990060104
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection
subjects Adult
Biological and medical sciences
bovine serum albumin (BSA)
buoyant density
Cell Separation
Centrifugation, Density Gradient
Coulter electronic cell volume
density gradient centrifugation
Diverse techniques
Electric Conductivity
Erythrocyte Aging
erythrocytes
Erythrocytes - cytology
Female
Fundamental and applied biological sciences. Psychology
Humans
impedance
Male
Molecular and cellular biology
opacity
radio frequency
Radio Waves
Serum Albumin, Bovine
title Two‐dimensional impedance studies of BSA buoyant density separated human erythrocytes
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