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Review article

Possibility of a Double Well Potential in the Proton Bridge of Visual Pigments and Bacteriorhodopsin

Jean-Marie Leclercq ; Department de Chimie, Universite de Montreal, Montreal, Quebec, Canada H3C 3Vl
Paul Dupuis ; Department de Chimie, Universite de Montreal, Montreal, Quebec, Canada H3C 3Vl
Camille Sandorfy ; Department de Chimie, Universite de Montreal, Montreal, Quebec, Canada H3C 3Vl

Fulltext: english, pdf (13 MB) pages 105-119 downloads: 76* cite
APA 6th Edition
Leclercq, J., Dupuis, P. & Sandorfy, C. (1982). Possibility of a Double Well Potential in the Proton Bridge of Visual Pigments and Bacteriorhodopsin. Croatica Chemica Acta, 55 (1-2), 105-119. Retrieved from https://hrcak.srce.hr/194283
MLA 8th Edition
Leclercq, Jean-Marie, et al. "Possibility of a Double Well Potential in the Proton Bridge of Visual Pigments and Bacteriorhodopsin." Croatica Chemica Acta, vol. 55, no. 1-2, 1982, pp. 105-119. https://hrcak.srce.hr/194283. Accessed 22 Apr. 2021.
Chicago 17th Edition
Leclercq, Jean-Marie, Paul Dupuis and Camille Sandorfy. "Possibility of a Double Well Potential in the Proton Bridge of Visual Pigments and Bacteriorhodopsin." Croatica Chemica Acta 55, no. 1-2 (1982): 105-119. https://hrcak.srce.hr/194283
Harvard
Leclercq, J., Dupuis, P., and Sandorfy, C. (1982). 'Possibility of a Double Well Potential in the Proton Bridge of Visual Pigments and Bacteriorhodopsin', Croatica Chemica Acta, 55(1-2), pp. 105-119. Available at: https://hrcak.srce.hr/194283 (Accessed 22 April 2021)
Vancouver
Leclercq J, Dupuis P, Sandorfy C. Possibility of a Double Well Potential in the Proton Bridge of Visual Pigments and Bacteriorhodopsin. Croatica Chemica Acta [Internet]. 1982 [cited 2021 April 22];55(1-2):105-119. Available from: https://hrcak.srce.hr/194283
IEEE
J. Leclercq, P. Dupuis and C. Sandorfy, "Possibility of a Double Well Potential in the Proton Bridge of Visual Pigments and Bacteriorhodopsin", Croatica Chemica Acta, vol.55, no. 1-2, pp. 105-119, 1982. [Online]. Available: https://hrcak.srce.hr/194283. [Accessed: 22 April 2021]

Abstracts
The resonance Raman effect is examined in the case of vibrations
which are governed by a double well potential. It is shown
that in such a case the intensity of a resonance Raman line depends
on three factors: the relative populations of the two wells in the .
ground state and in the resonating electronic excited state and the
displacement of the potential minima between the ground state
and the excited state. Depending on the shapes of the potentials
in the two states, the ground state populations might become
unimportant as a factor determining intensities and the only
observed Raman line might be due to the less populated well. It
is suggested that such a situation is likely to exist for the proton
bridge of the chromophore of visual pigments and bacteriorhodopsin,
the Schiff bases of 11-cis and all-trans retinals respectively.
This raises the question if resonance Raman spectra alone
are capable of giving evidence of the extent of protonation of the
chromophore in the ground state.

Hrčak ID: 194283

URI
https://hrcak.srce.hr/194283

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