Spheroidene analogs

MR (1997) Spectroscopic properties of spheroidene analogs having different extents of r-electron conjugation. J Phys Chem A 101 149-157... 

Table 6. The 2Ag lifetimes and energies (values estimated by the energy-gap law in parentheses) of /L carotene and spheroidene analogs...

Farhoosh et al. (1997) have reported on the successful insertion of spheroidene and two synthetic spheroidene analogs with shorter polyene chains,... 

Triplet energy transfer between the primary donorand carotenoids in Rhodobacter sphaeroides R-26.1 reaction centers incorporated with spheroidene analogs havi ng different extents of ff-electron conjugation. Photochem Photobiol 66 97-104 Feher G and Okamura Y (1978) Chemical composition and properties of reaction centers. In Clayton RK and Sistrom WR (eds) The Photosynthetic Bacteria, pp 349-386. Plenum Press, New Y ork... 

Figure 13 (open circles) shows the 2A" energies of the shorter analogs of spheroidene, neurosporene and spheroidene determined by fluorescence spectroscopy (DeCoster et al., 1992 Fuji et al., 1998b) as a function of 1 / (2n -i- 1), where n is the number of conjugated double bonds (Koyama et al.,... 

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