Selective excitation, at room temperature, in the long wavelength absorption tail of the photosystem I antenna complexes, known as light harvesting complex 1, induces pronounced pre-equilibration fluorescence from the directly excited pigment state. This has allowed determination of the fluorescence band shape of this low energy photosystem I chlorophyll antenna state, at room temperature, for the first time. The emission maximum is near 735 nm. The remarkable band width (55 nm) and asymmetry have never been previously reported for chlorophyll a states.

The room temperature emission band shape of the lowest energy chlorophyll spectral form of LHCI / R.C. Jennings, F.M. Garlaschi, E. Engelmann, G. Zucchelli. - In: FEBS LETTERS. - ISSN 0014-5793. - 547:1-3(2003), pp. 107-110.

The room temperature emission band shape of the lowest energy chlorophyll spectral form of LHCI

R.C. Jennings
Primo
;
F.M. Garlaschi
Secondo
;
E. Engelmann
Penultimo
;
2003

Abstract

Selective excitation, at room temperature, in the long wavelength absorption tail of the photosystem I antenna complexes, known as light harvesting complex 1, induces pronounced pre-equilibration fluorescence from the directly excited pigment state. This has allowed determination of the fluorescence band shape of this low energy photosystem I chlorophyll antenna state, at room temperature, for the first time. The emission maximum is near 735 nm. The remarkable band width (55 nm) and asymmetry have never been previously reported for chlorophyll a states.
Chlorophyll band shape; Electron/phonon coupling; Light harvesting complex I; Red chlorophyll spectral state
Settore BIO/04 - Fisiologia Vegetale
2003
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/26407
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