Abstract
The main advantages of measuring fluorescence emission and excitation spectra at low (77 K) instead of room (293 K) temperature are spectra with narrower and higher, better distinguishable bands, and the possibility to study rapid changes in the structure of photosynthetic apparatus. The sample for measuring correct fluorescence spectra must not contain a large amount of pigments (only pale thin leaves or chloroplast preparations are appropriate), must be properly mounted (chloroplasts on a translucent filter) and rapidly frozen, and not affected by substances causing degradation of pigment-protein complexes (not even mild detergents). Combination of emission and excitation spectra with their second derivatives and with calculated difference spectra enables to determine the presence of individual chlorophyll-protein complexes, their synthesis and degradation in thylakoids, chloroplasts and whole leaves.
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© 1988 Kluwer Academic Publishers
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Šiffel, P., Šesták, Z. (1988). Low Temperature Fluorescence Spectra of Chloroplasts: Methodical Aspects and Possible Applications. In: Lichtenthaler, H.K. (eds) Applications of Chlorophyll Fluorescence in Photosynthesis Research, Stress Physiology, Hydrobiology and Remote Sensing. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2823-7_6
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DOI: https://doi.org/10.1007/978-94-009-2823-7_6
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-7771-2
Online ISBN: 978-94-009-2823-7
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