Quantum‐Assisted Metrology of Neutral Vitamins in the Gas Phase

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Quantum‐Assisted Metrology of Neutral Vitamins in the Gas Phase

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Title: Quantum‐Assisted Metrology of Neutral Vitamins in the Gas Phase
Author: Mairhofer, Lukas; Eibenberger, Sandra; Cotter, Joseph P.; Romirer, Marion; Shayeghi, Armin; Arndt, Markus

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Citation: Mairhofer, Lukas, Sandra Eibenberger, Joseph P. Cotter, Marion Romirer, Armin Shayeghi, and Markus Arndt. 2017. “Quantum‐Assisted Metrology of Neutral Vitamins in the Gas Phase.” Angewandte Chemie (International Ed. in English) 56 (36): 10947-10951. doi:10.1002/anie.201704916. http://dx.doi.org/10.1002/anie.201704916.
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Abstract: Abstract It has recently been shown that matter‐wave interferometry can be used to imprint a periodic nanostructure onto a molecular beam, which provides a highly sensitive tool for beam displacement measurements. Herein, we used this feature to measure electronic properties of provitamin A, vitamin E, and vitamin K1 in the gas phase for the first time. The shift of the matter‐wave fringes in a static electric field encodes the molecular susceptibility and the time‐averaged dynamic electric dipole moment. The dependence of the fringe pattern on the intensity of the central light‐wave diffraction grating was used to determine the molecular optical polarizability. Comparison of our experimental findings with molecular dynamics simulations and density functional theory provides a rich picture of the electronic structures and dynamics of these biomolecules in the gas phase with β‐carotene as a particularly interesting example.
Published Version: doi:10.1002/anie.201704916
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5582605/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34492130
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