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Biophysical Journal 22: 121-124 (1978)
© 1978 the Biophysical Society

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Kinetics of the 580-nm ultrafast bacteriorhodopsin transient.

K J Kaufmann, V Sundstrom, T Yamane and P M Rentzepis

ABSTRACT

We have observed, by low-temperature picosecond spectroscopy, a photo-induced transient at 580 nm in light-adapted bacteriorhodopsin. The transient was characterized by bleaching in the 550-585-nm regions within 6 ps and recovery in approximately 20 ps. The spectral intensity of the transient is found to be enhanced at lower temperatures, and the lifetime slightly elongated.






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Copyright © 1978 by the Biophysical Society.