Acid-base equilibria at interface separating electrolyte solution and lipid bilayer formed from phosphatidylcholine |
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| Authors: | Petelska Aneta D Figaszewski Zbigniew A |
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| Institution: | Laboratory of Interfacial Electrochemistry, Faculty of Chemistry, University of Warsaw, Pasteur St. 1, 02-093 Warsaw, Poland. |
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| Abstract: | The dependence of the interfacial tension of a lipid membrane formed from phosphatidylcholine on the pH of the aqueous solution has been studied. The model describing the H(+) and OH(-) ions adsorption in the bilayer lipid surface has been presented in this work. We take suitable equations to describe the dependence of interfacial tension of a lipid bilayer membrane on H(+) and OH(-) ion concentrations. A theoretical equation is derived to describe this dependence in the whole pH range. |
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