Energy transfer in adsorption layers of chlorophyll a on the surface of a proteinстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация: Absorption and fluorescence spectra of chlorophyll a (Chl a) adsorbed on the surface of bovine serum albumin (BSA) were measured and decomposed into Gaussian components. The contributions from the individual components to the absorption and fluorescence spectra as functions of the Chl a surface concentration were determined. It was shown that a decrease in the average distances between the molecules of the pigment in the system results in the transfer of singlet excitation energy from Chl a monomers to various associates of the pigment. Energy transfer in adsorption layers of the pigment on BSA involves Chl a forms characteristic of the chloroplast membranes of higher plants