A blue shift of protonated retinal schif
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Mordechai Sheves; Timor Baasov
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Article
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1983
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Elsevier Science
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French
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A blue shift was observed in the absorption maxima of protonated retinal Schiff base. The shift is due to electrostatic interaction of a non-conjugated positive charge, located in the vicinity of the ionone moiety, with the polyene chromophore.