Schatz, A. and Reitstetter, R. and Briegleb, W. and Linke-Hommes, A. (1990) Gravity Effects on Biological Systems. In: Advances in Space Research. Pergamon Press. XXVIII COSPAR Plenary Meeting and Associated Activities, 25 June- 6 July 1990, The Hague. Symposium "Biological Response to Gravity".
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Theoretical investigations of the membrane-solution interface predict different effects on vertically and horizontally oriented planar membranes. Single channel events of gramicidin incorporated into phosphatidylserine planar bilayer membranes were measured in 0.1 M KCl solution, pH 7, at room temperature. The potential difference across the membrane was set to +- 70 mV. The mean channel current was observed to be about 20 % higher in horizontally oriented membranes compared to vertical membranes. This is in good agreement with the theoretical considerations and demonstrates that gravity doedoes affect membrane processes by interaction with the membrane- solution interface which is a ubiquitous structure in biological systems.
|Document Type:||Conference or Workshop Item (Paper)|
|Additional Information:||institution=COSPAR, LIDO-Berichtsjahr=1990, pages=7,|
|Title:||Gravity Effects on Biological Systems.|
|Journal or Publication Title:||Advances in Space Research|
|Event Title:||XXVIII COSPAR Plenary Meeting and Associated Activities, 25 June- 6 July 1990, The Hague. Symposium "Biological Response to Gravity"|
|HGF - Research field:||UNSPECIFIED|
|HGF - Program:||other|
|HGF - Program Themes:||other|
|DLR - Research area:||UNSPECIFIED|
|DLR - Program:||no assignment|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institute of Aerospace Medicine|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||02 Apr 2006|
|Last Modified:||27 Apr 2009 06:16|
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