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[Change in the absorption spectra of carotenoids in dry films of Rhodospirillum rubrum chromatophores in an external electric field].

Borisevich Gp, Alexander A. Kononenko, Venediktov Ps, Verkhoturov Vn, Rubin Ab

Abstract

Electrochromic spectra of carotenoids in dried films of chromatophores of Rhodospirillum rubrum in 450-600 nm region are obtained. Their good agreement with the photoinduced absorption changes of the same chromatophores under different conditions is shown.

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Key concepts: Rhodospirillum rubrum, Chromatophore, Electrochromism, Absorption (acoustics), Carotenoid, Absorption spectroscopy, Spectral line, Photochemistry