Gramicidin promotes formation of the hexagonal HII phase in aqueous dispersions of phosphatidylethanolamine and phosphatidylcholine |
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| Authors: | C.J.A. Van Echteld R. Van Stigt B. De Kruijff J. Leunissen-Bijvelt A.J. Verkleij J. De Gier |
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| Affiliation: | Laboratory of Biochemistry and Institute of Molecular Biology, State University of Utrecht, Transitorium III, Padualaan 8, NL-3584 CH Utrecht The Netherlands |
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| Abstract: | It is shown by 31P-NMR and electron microscopy that gramicidin promotes the formation of the hexogonal HII phase in aqueous dispersions of dielaidoylphosphatidylethanolamine and dioleoylphosphatidylethanolamine, when present in molar ratios of 1 : 200 and higher. In addition gramicidin also induces the hexogonal HII phase in aqueous dispersions of dioleoylphosphatidylcholine, when present in molar ratios of 1 : 25 and higher. |
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| Keywords: | Gramicidin Phosphatidylethanolamine Phosphatidylcholine |
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