Energy transfer in the core pigments of phycobilisomes from Mastigocladus laminosus as studied by temperature-dependent hole burning

Alessandro Feis, Josef Friedrich, Lothar Gottschalk, Hugo Scheer

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Abstract

Persistent optical hole burning has been performed in the allophycocyanin band of phycobilisomes of Mastigocladus laminosus. The homogeneous transition line width has been obtained by a careful analysis of the hole-burning data. The dependence of the line width on temperature has been measured in the range 1.5-4.2 K. A lifetime-limited value of 1.08 ± 0.21 GHz is obtained as a result of linear back extrapolation to T = 0 K. It corresponds to an energy transfer time of 147 ± 15 ps from allophycocyanin to the terminal emitters of the phycobilisome core.

Original languageEnglish
Pages (from-to)6087-6089
Number of pages3
JournalJournal of Physical Chemistry
Volume96
Issue number14
DOIs
StatePublished - 1992
Externally publishedYes

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