Precipitation membrane effects in biologic membranes: The role of calcium
| Autor: | Günter Bähr, Paul Hirsch-Ayalon, Amram H. Ayalon |
|---|---|
| Rok vydání: | 1979 |
| Předmět: |
Chromatography
Physiology Precipitation (chemistry) Electric Conductivity Biophysics Rana esculenta chemistry.chemical_element Membranes Artificial Cell Biology Human physiology Calcium Membrane Electrical current chemistry Skin Physiological Phenomena Animals Chemical Precipitation Anura Frog Skin Edetic Acid |
| Zdroj: | The Journal of Membrane Biology. 51:7-14 |
| ISSN: | 1432-1424 0022-2631 |
| Popis: | Biologic membranes display rectification of electrical current, as well as other properties, in many respects, similar to precipitation membranes. The experiments reported here, performed in frog skin, show that these characteristics are dependent upon the presence of calcium. Upon elimination of calcium from the bathing solution, the property of electrical rectification is lost, the current-voltage relation assuming a linear form. Read-ministration of calcium brings about complete recovery of the rectification pattern. This behavior is analogous to chemical deconditioning of precipitation membranes. Our findings support the assumption that the binding of calcium in biologic membranes produces electrical effects characteristic of precipitation membranes. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full text from SpringerLink