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Isomerisierung Y. Toker et al. bestimmen in ihrer Zuschrift auf S. 4830 ff. die Energiebarriere für die Isomerisierung des protonierten Retinal‐Schiff‐Base‐Chromophors und zeigen, dass sie beträchtlich kleiner ist als die in Opsinproteinen.
Isomerizations of the retinal chromophore were investigated using the IMS‐IMS technique. Four different structural features of the chromophore were observed, isolated, excited collisionally, and the resulting isomer and fragment distributions were measured. By establishing the threshold activation voltages for isomerization for each of the reaction pathways, and by measuring the threshold activation...
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