Spin-dependent electron transmission through bacteriorhodopsin embedded in purple membrane
Mishra D., Markus T., Naaman R., Kettner M., Göhler B., Zacharias H., Friedman N., Sheves M., Fontanesi C.
Research article (journal) | Peer reviewedAbstract
Spin-dependent photoelectron transmission and spin-dependent electrochemical studies were conducted on purple membrane containing bacteriorhodopsin (bR) deposited on gold, aluminum/aluminum-oxide, and nickel substrates. The result indicates spin selectivity in electron transmission through the membrane. Although the chiral bR occupies only about 10% of the volume of the membrane, the spin polarization found is on the order of 15%. The electrochemical studies indicate a strong dependence of the conduction on the protein's structure. Denaturation of the protein causes a sharp drop in the conduction through the membrane.
Details about the publication
Journal: Proceedings of the National Academy of Sciences of the United States of America (Proc. Natl. Acad. Sci. U.S.A.)
Volume: 110
Issue: 37
Page range: 14872-14876
Status: Published
Release year: 2013
Language in which the publication is written: English
Link to the full text: http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84883757347&origin=inward
Keywords: Chirality; Electrochemistry; Electron transfer; Magnetic effect
Authors from the University of Münster
| Kettner, Matthias | Institute of Physics (PI) |
| Zacharias, Helmut | Workgroup Ultrafast Dynamics on Interfaces Experiment (Prof. Zacharias) |