Time‐resolved ultrafast blue‐shifted fluorescence from pea chloroplasts
- 5 June 1989
- journal article
- Published by Wiley in FEBS Letters
- Vol. 249 (2) , 285-288
- https://doi.org/10.1016/0014-5793(89)80642-8
Abstract
The antenna chlorophylls in higher plants can produce fluorescence that is blue‐shifted (anti‐Stokes‐shifted) relative to the exciting light. Global analysis of the time‐resolved fluorescence spectra resolves an ultrafast fluorescence emission component with a lifetime of about 15 ps which is attributed to exciton equilibration in the antenna. These results support the hypothesis that the overall exciton decay kinetics in PS I and PS II is trap‐limited as suggested by us earlier.Keywords
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