Ultrafast Exciton Relaxation in the B850 Antenna Complex of Rhodobacter sphaeroides

Spectral changes were measured with femtosecond resolution following low-intensity, broad-band excitation of the peripheral antenna complex of the purple photosynthetic bacterium Rhodobacter sphaeroides. Absorption anisotropy decays also were measured. We identified a 35-fs relaxation of the absorpt...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 1996-11, Vol.93 (24), p.13774-13779
Hauptverfasser:	Nagarajan, V., Alden, R. G., Williams, J. C., Parson, W. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption spectra Anisotropy Antennas Bacteria Bacterial Chromatophores - physiology Biochemistry Biological Sciences Excitons Genes, Bacterial Kinetics Laser beams Lasers Light-Harvesting Protein Complexes Molecular biology Molecules Photosynthetic Reaction Center Complex Proteins - biosynthesis Photosynthetic Reaction Center Complex Proteins - chemistry Pumps Rhodobacter sphaeroides Rhodobacter sphaeroides - genetics Rhodobacter sphaeroides - metabolism Sequence Deletion Spectrophotometry, Infrared Thermodynamics Time constants Time Factors Wavelengths
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