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Role of various carotenoids in mediating electron transfer sensitized by chlorophyll and pheophytin
Author(s) -
Rich M.,
Brody S.S.
Publication year - 1982
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(82)80269-x
Subject(s) - citation , library science , pheophytin , chemistry , computer science , biochemistry , photosynthesis , photosystem ii
Numerous studies demonstrating the photoconductive properties of bilayer lipid membranes containing chlorophyll have appeared [l]. The conjugated bond system found in carotenoids may play a major role in mediating photoconductivity [2,3]. Here we investigate the role of the functional groups on the ionone ring of carotenoids in modifying the photosensitivity of chlorophyll bilayer membranes. sium ferrocyanide (reducing side) and 10 mM potassium ferricyanide (oxidizing side). Both phases contained 10 mM KC1 buffered at pH 7.8 (10 mM potassium phosphate). For illumination (632.8 mm) a 5 mW He-Ne laser (Spectra Physics, model 150) was used.