Influence of Ca2+ and temperature on the interaction of gangliosides with valinomycin in mixed monolayers at the air/water interface.

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概要

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• The effects of Ca2+ and temperature on mixed ganglioside-valinomycin-monolayers at the air/water interface were studied. Surface pressure-area isotherms of the pure gangliosides (GM1, GD1a) exhibited the typical monolayer characteristics. Pressure-area isotherms of the cyclodepsipeptide, valinomycin, were determined. In mixed monolayers, positive and negative deviation from the mean molecular area indicated the two components were miscible. Especially in GD1a mixtures, the addition of 0.01mM calcium exhibited, with low molar fractions of valinomycin, a demixing effect in the direction of the phase separation of the components.

• 社団法人 日本生化学会の論文

著者

• BEITINGER Heinz

  Zoological Institute, University of Stuttgart-Hohenheim

• PROBST Wolfgang

  Zoological Institute, University of Stuttgart-Hohenheim

• MÖBIUS Dietmar

  Max-Planck-Institute for Biophysical Chemistry

• RAHMANN Hinrich

  Zoological Institute, University of Stuttgart-Hohenheim

関連論文

• Influence of Ca2+ and temperature on the interaction of gangliosides with valinomycin in mixed monolayers at the air/water interface.

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