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. [Figure not available: see fulltext.].
Original language | English |
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Pages (from-to) | 2152-2159 |
Number of pages | 8 |
Journal | Journal of the American Society for Mass Spectrometry |
Volume | 29 |
Issue number | 11 |
DOIs | |
State | Published - 1 Nov 2018 |
Bibliographical note
Publisher Copyright:© 2018, American Society for Mass Spectrometry.
Funding
We would like to thank Evan Bieske for sharing his data on PSB2 and for stimulating conversations, and Steen Brøndsted Nielsen for his valuable input. Funding Information This study was funded by the Israeli Science Foundation and by the Israeli ministry of science technology and space.
Funders | Funder number |
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Israeli Science Foundation | |
Israeli ministry of science technology and space | |
Ministry of science and technology, Israel |
Keywords
- Action spectroscopy
- Ion mobility spectroscopy
- Retinal protonated Schiff base
- Vision