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Phosphatidyl-Glycerol in Mixtures with Positively Charged Amphiphiles: A 2H- and 31P-NMR Study of the Phase Behaviour and Headgroup Structure

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The Structure and Conformation of Amphiphilic Membranes

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 66))

Abstract

The thermotropic behaviour of membranes composed of 1-palmitoy 1-2-oleoyl-sn3-phosphatidyl-glycerol (POPG) and dimethyl-dihexadecyl-ammonium bromide (DHAB) was investigated with differential scanning calorimetry and 2H- and 31Pnmr spectroscopy. The main transition temperature, Tm , from the gel state to the liquid-crystalline state (l.c.) showed a local maximum around 40 mole % DHAB in the membranes. With nmr spectroscopy we also detected non-bilayer properties of the system. Both the DSC scans and the phase diagram of the system are presented.

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References

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Author information

Authors and Affiliations

  1. Department of Biophysics, Biocenter of the University of Basel, Klingelbergstr. 70, CH-4056, Basel, Switzerland

    R. G. K. Habiger & J. Seelig

Authors
  1. R. G. K. Habiger
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  2. J. Seelig
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Editor information

Editors and Affiliations

  1. Institut für Festkörperforschung Forschungszentrum Jülich, W-5170, Jülich, Fed. Rep. of Germany

    Reinhard Lipowsky , Dieter Richter  & Kurt Kremer ,  & 

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© 1992 Springer-Verlag Berlin Heidelberg

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Habiger, R.G.K., Seelig, J. (1992). Phosphatidyl-Glycerol in Mixtures with Positively Charged Amphiphiles: A 2H- and 31P-NMR Study of the Phase Behaviour and Headgroup Structure. In: Lipowsky, R., Richter, D., Kremer, K. (eds) The Structure and Conformation of Amphiphilic Membranes. Springer Proceedings in Physics, vol 66. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84763-9_9

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  • DOI: https://doi.org/10.1007/978-3-642-84763-9_9

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-84765-3

  • Online ISBN: 978-3-642-84763-9

  • eBook Packages: Springer Book Archive

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