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Action and Ion Mobility Spectroscopy of a Shortened Retinal Derivative |
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| Authors: | Lihi Musbat Shirrel Assis Jonathan M Dilger Tarick J El-Baba Daniel R Fuller Jeppe Langeland Knudsen Hjalte V Kiefer Amiram Hirshfeld Noga Friedman Lars H Andersen Mordechai Sheves David E Clemmer Yoni Toker |
| Institution: | 1.Department of Physics and Institute of Nanotechnology,Bar-Ilan University,Ramat-Gan,Israel;2.Spectrum Warfare Systems Department,NSWC Crane Division,Crane,USA;3.Department of Chemistry,Indiana University Bloomington,Indiana,USA;4.Department of Physics and Astronomy,Aarhus University,Aarhus C,Denmark;5.Department of Organic Chemistry,Weizmann Institute of Science,Rehovot,Israel |
| Abstract: | The development of tandem ion mobility spectroscopy (IMS) known as IMS-IMS has led to extensive research into isomerizations of isolated molecules. Many recent works have focused on the retinal chromophore which is the optical switch used in animal vision. Here, we study a shortened derivative of the chromophore, which exhibits a rich IM spectrum allowing for a detailed analysis of its isomerization pathways, and show that the longer the chromophore is, the lower the barrier energies for isomerization are. |
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