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Effects of microwave radiation (340 and 900 MHz) on different structural levels of erythrocyte membranes

✍ Scribed by Y. A. Kim; B. S. Fomenko; T. A. Agafonova; Dr. I. G. Akoev

Publisher: John Wiley and Sons
Year: 1985
Tongue: English
Weight: 474 KB
Volume: 6
Category: Article
ISSN: 0197-8462
DOI: 10.1002/bem.2250060310

No coin nor oath required. For personal study only.

✦ Synopsis

By use of fluorescence probes 1-anilinonaphthalene-8-sulfonic acid, 2-toluidinylnaphthalene-6-sulfonate, pyrene, perylene and chemical label phosphatidylethanolamine 2,4,6-trinitrobenzele sulfonic acid, the effect of microwave radiation on the erythrocyte membrane was studied. The studies with the fluorescence probes were carried out on erythrocyte ghosts and with 2,4,6-trinitrobenzene sulfonic acid on whole erythrocytes. The fluorescence was measured during irradiation of the membranes with 340-MHz microwaves at an SAR of 100 W/kg. Trinitrophenylation of phosphatidylethanolamine from whole erythrocytes was performed simultaneously with microwave irradiation at 900 MHz (10 mW1 cm2). It was shown that the microwave field decreased lipid viscosity, altered the structural state of lipid-protein contact regions, and decreased the protein shielding of lipids. These changes corresponded to those produced by thermal action of microwaves.

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