Результаты поиска по 'absorption and fluorescence spectra':
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  1. Krasilnikov P.M., Zlenko D.V., Stadnichuk I.N.
    Exciton interaction of the chromophores — a tool to fine-tune the mechanism of non-photochemical quenching of phycobilisome in cyanobacteria
    Computer Research and Modeling, 2015, v. 7, no. 1, pp. 125-144

    It was carried out a theoretical analysis of the energy migration rate in the process of non-photochemical quenching of fluorescence pigment-protein complex that performed by means of orange carotenoid-protein in the phycobilisomes of cyanobacteria. It is shown that the observed rate of energy transfer can not be interpreted in the framework of inductive-resonant mechanism of energy migration (Förster’s theory). On the contrary, according to the calculations the implementation of the exciton mechanism is fully consistent with the experimentally observed high quenching rate. An essential feature of the implementation of the exciton mechanism is to comply with a number of structural and functional conditions that require fine-tuning of the molecular system in the interaction of donor and acceptor molecules both each other and with the local molecular environment.

    Keywords: energy transfer, exciton, transition dipole moment, absorption and fluorescence spectra.
    Views (last year): 2. Citations: 2 (RSCI).

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