descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1973 English Publisher:Elsevier BVJournal:Biophysical Chemistry, volume 1, pages 125-129 (issn: 0301-4622,

Authors: D. Wróbel; Danuta Frackowiak;

doi: 10.1016/0301-4622(73)80009-2

pmid: 4803120

Energy transfer between Chlorophyll C and Chlorophyll A

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Abstract

Abstract Spectral properties of solutions containing mixtures of chlorophyll a and chlorophyll c are investigated. The yield of excitation energy migration from chlorophyll c to chlorophyll a is obtained ranging from 23 to 48% dependent on the used dye concentrations. The back transfer from chlorophyll a to chlorophyll c is negligible. The shape of the polarization excitation spectrum of chlorophyll c in the Soret band region is less composed than that of chlorophyll a. Depolarization of chlorophyll a fluorescence by chlorophyll c is in agreement with the conclusion drawn from fluorescence quenching that excitation energy migrates from chlorophyll c to chlorophyll a.

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Keywords

Chlorophyll, Ethyl Ethers, Spectrometry, Fluorescence, Energy Transfer, Spectrophotometry, Thermodynamics

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