Luminescence from Photosystem I at High Temperatures
Open Access
- 1 April 1980
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung C
- Vol. 35 (3-4) , 289-292
- https://doi.org/10.1515/znc-1980-3-419
Abstract
The changes in the fluorescence and delayed fluorescence intensity of spinach leaf as affected by temperature were studied. It was observed that the delayed fluorescence showed a maximum at about 45 °C whereas the fluorescence maximum was at about 55 °C. An examination of the emission spectra of delayed fluorescence at different temperatures showed that at higher temperatures the relative emission at 735 nm was increased. It is argued that at higher temperatures the luminescence from photosystem I contributes to delayed fluorescence.Keywords
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