Effect of Extracellular Alkali Metal Salts on the Electric Parameters of Human Erythrocytes in Normal and Pathological Conditions (Homozygous β-Thalassemia)

Author:

Ballario C.1,Bonincontro A.1,Cametti C.2,Rosi A.3,Sportelli L.4

Affiliation:

1. Dipartimento di Fisica - Università di Roma “La Sapienza”, I-00185 Rome, Italy

2. Dipartimento di Fisica - Università di Roma “La Sapienza”, 1-00185 Rome, Italy

3. Laboratorio di Fisica, Istituto Superiore di Sanità, Viale Regina Elena, 299 Rome, Italy

4. Dipartimento di Fisica, Gruppo di biofisica molecolare Università della Calabria, Arcavacata di Rende, Italy

Abstract

Abstract The conductivity of human erythrocyte cells dispersed in various uni-univalent electrolyte solutions (NaCl, KCl, LiCl, CsCl; 0.15 ᴍ) have been measured in the frequency range from 10 KHz to 100 MHz at five temperatures between 5 and 45 °C. The results were analyzed in the light of the theory of conductivity polarization of a suspension of ellipsoidal particles covered with two confocal shells. Differences in the electrical parameters of the membrane between normal and homozygous β-thalassemic cells have been evidentiated.

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

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