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Proceedings Paper

Fluorescence microscopy on single light-harvesting complexes
Author(s): Carsten Tietz; Alexander Draebenstedt; Joerg Schuster; Joerg Wrachtrup
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Paper Abstract

Fluorescence microscopy on single light harvesting 2 complexes from photosynthetic bacterium Rhodopseudomonas Acidophila strain 10050 has been carried out. The polarization of the fluorescence emitted by individual complexes immobilized on a surface was detected as a function of time. Abrupt changes in the polarization of the emitted light of single chromophores were observed. These abrupt changes are attributed to a localization of the exciton on a small fraction of the chromophores on the closely coupled ring shaped aggregate of the complex.

Paper Details

Date Published: 17 June 1999
PDF: 8 pages
Proc. SPIE 3607, Scanning and Force Microscopies for Biomedical Applications, (17 June 1999); doi: 10.1117/12.350619
Show Author Affiliations
Carsten Tietz, Technische Univ. Chemnitz (Germany)
Alexander Draebenstedt, Technische Univ. Chemnitz (Germany)
Joerg Schuster, Technische Univ. Chemnitz (Germany)
Joerg Wrachtrup, Technische Univ. Chemnitz (Germany)


Published in SPIE Proceedings Vol. 3607:
Scanning and Force Microscopies for Biomedical Applications
Eiichi Tamiya; Shuming Nie, Editor(s)

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