Raman spectroscopic and X-ray diffraction studies of the effect of temperature and Ca2+ on phosphatidylethanolamine dispersions |
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| Authors: | S.Y.K. Wen D. Hess J.W. Kauffman J.M. Collins L.J. Lis |
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| Affiliation: | 1. Department of Materials Science and Engineering, Northwestern University, The Technological Institute, Evanston, IL 60201 U.S.A.;2. Department of Physics, Illinois Institute of Technology, Chicago, IL 60616 U.S.A. |
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| Abstract: | Raman spectroscopy and X-ray diffraction are used to study the effect of heat and Ca2+ on dimyristoylphosphatidylethanolamine dispersions. Unlike phosphatidylcholine dispersions, dimyristoylphosphatidylethanolamine bilayers (at pH 8) require heating above Tm in order for hydration to occur and apparently bind Ca2+ at very low levels. These results are related to models for membrane fusion. |
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| Keywords: | Raman spectroscopy X-ray diffraction phosphatidylethanolamine |
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