Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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SHR Neuro Krebs Kardio Lipid Stoffw Microb
Dorogi, M; Balint, Z; Mikó, C; Vileno, B; Milas, M; Hernadi, K; Forró, L; Varó, G; Nagy, L.
Stabilization effect of single-walled carbon nanotubes on the functioning of photosynthetic reaction centers.
J Phys Chem B. 2006; 110(43):21473-21479
Doi: 10.1021/jp060828t
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- Co-Autor*innen der Med Uni Graz
- Balint Zoltan
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- Abstract:
- The interaction between single-walled carbon nanotubes and photosynthetic reaction centers purified from purple bacterium Rhodobacter sphaeroides R-26 has been investigated. Atomic force microscopy studies provide evidence that reaction center protein can be attached effectively to the nanotubes. The typical diameter of the nanotube is 1-4 nm and 15 +/- 2 nm without and with the reaction centers, respectively. Light-induced absorption change measurements indicate the stabilization of the P+(Q(A)Q(B))- charge pair, which is formed after single saturating light excitation after the attachment to nanotubes. The separation of light-induced charges is followed by slow reorganization of the protein structure. The stabilization effect of light-initiated charges by the carbon nanotubes opens a possible direction of several applications, the most promising being in energy conversion and storage devices.
- Find related publications in this database (using NLM MeSH Indexing)
- Electrochemistry -
- Kinetics -
- Nanotubes, Carbon - chemistry
- Photosynthetic Reaction Center Complex Proteins - chemistry Photosynthetic Reaction Center Complex Proteins - metabolism
- Protein Binding -
- Rhodobacter sphaeroides - chemistry Rhodobacter sphaeroides - metabolism