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Room temperature steady-state absorption (thicker solid line), fluorescence (thinner solid line), and fluorescence excitation (dotted line; observing wavelength 700 nm) spectra of the Cyt b6f complex form B. corticulans. The absorption spectrum of all-trans-α-carotene in n-hexane (dashed line) is also shown. Vertical arrow indicates the excitation wavelength (480 nm) in the time-resolved measurements. Inset shows the chemical structure of all-trans-α-carotene.
