Spin label partition in gamma-irradiated lysophosphatidylcholine-water systems |
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Authors: | C. Giori G. Schianchi G. Erriu S. Onnis P. Randaccio N. Zucca |
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Affiliation: | (1) Istituto di Scienze Fisiche, Facoltà di Medicina, Università di Parma, Via Massimo d'Azeglio 85, I-43100 Parma, Italia;(2) Istituto di Fisica, Facoltà di Medicina, Università di Cagliari, Via della Pineta 77, I-09125 Cagliari, Italia |
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Abstract: | Summary Nonbilayer structures, as lysophospholipid micelles, can be produced in membranes by gamma irradiation. Interesting information on the gamma-ray effect on the lysophospholipid organization can be obtained by spin-label techniques. Variations of the TEMPO partition are appreciable, particularly in the range of the lipid thermotropic transition, even from relatively low doses. With increasing dose this transition becomes more and more complex and wider, according to the previous thermodinamic analysis. |
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Keywords: | Biological effects of radiation |
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