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X-ray reflectivity of solid-supported, multilamellar membranes

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Abstract:

We have investigated the structure of solid-supported, multilamellar membranes by X-ray reflectivity. The density profile is obtained by fitting the full q-range to a model using the bilayer Fourier coefficients as fitting parameters. The effect of hydration and the substrate boundary condition are discussed in view of the well-known Landau-Peierls effect and its implications for structure determination. The resulting bilayer density profile agrees remarkably well with previously published data of a molecular dynamics (MD) simulation for 1,2-oleoyl-palmitoyl-sn-glycero-3-phosphocholine (OPPC).

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Authors and Affiliations

  1. Experimentphysik, Universität des Saarlandes, Postfach 15 11 50, 66041 Saarbrücken, Germany, , , , , , DE

    T. Salditt, C. Li, A. Spaar & U. Mennicke

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  1. T. Salditt
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  2. C. Li
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  3. A. Spaar
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  4. U. Mennicke
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Received 1 October 2001 and Received in final form 21 December 2001

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Salditt, T., Li, C., Spaar, A. et al. X-ray reflectivity of solid-supported, multilamellar membranes. Eur. Phys. J. E 7, 105–116 (2002). https://doi.org/10.1140/epje/i200101154

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  • DOI: https://doi.org/10.1140/epje/i200101154

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