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  Spectroscopy of Small and Large Biomolecular Ions in Helium-Nanodroplets

Mucha, E., Thomas, D., Lettow, M., Meijer, G., Pagel, K., & Helden, G. v. (2022). Spectroscopy of Small and Large Biomolecular Ions in Helium-Nanodroplets. In A. Slenczka, & J. P. Toennies (Eds.), Molecules in Superfluid Helium Nanodroplets Spectroscopy, Structure, and Dynamics (pp. 241-280). Berlin Heidelberg: Springer. doi:10.1007/978-3-030-94896-2_6.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000A-AC30-E Version Permalink: https://hdl.handle.net/21.11116/0000-000B-4769-0
Genre: Book Chapter

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 Creators:
Mucha, Eike1, Author           
Thomas, Daniel1, 2, Author           
Lettow, Maike1, Author           
Meijer, Gerard1, Author           
Pagel, Kevin1, Author           
Helden, Gert von1, Author           
Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              
2Department of Chemistry, University of Rhode Island, Kingston, RI 02881, USA, ou_persistent22              

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 Abstract: A vast number of experiments have now shown that helium nanodroplets are an exemplary cryogenic matrix for spectroscopic investigations. The experimental techniques are well established and involve in most cases the pickup of evaporated neutral species by helium droplets. These techniques have been extended within our research group to enable nanodroplet pickup of anions or cations stored in an ion trap. By using electrospray ionization (ESI) in combination with modern mass spec- trometric methods to supply ions to the trap, an immense variety of mass-to-charge selected species can be doped into the droplets and spectroscopically investigated. We have combined this droplet doping methodology with IR action spectroscopy to investigate anions and cations ranging in size from a few atoms to proteins that consist of thousands of atoms. Herein, we show examples of small complexes of fluoride anions (F-) with CO2 and H2O and carbohydrate molecules. In the case of the small complexes, novel compounds could be identified, and quantum chemistry can in some instances quantitatively explain the results. For biologically relevant complex carbohydrate molecules, the IR spectra are highly diagnostic and allow the differentiation of species that would be difficult or impossible to identify by more conventional methods.

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Language(s): eng - English
 Dates: 2022-05-29
 Publication Status: Published online
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1007/978-3-030-94896-2_6
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Title: Molecules in Superfluid Helium Nanodroplets Spectroscopy, Structure, and Dynamics
Source Genre: Book
 Creator(s):
Slenczka, Alkwin, Editor
Toennies, Jan Peter, Editor
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Publ. Info: Berlin Heidelberg : Springer
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 241 - 280 Identifier: ISBN: 978-3-030-94895-5

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Title: Topics in Applied Physics
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Pages: - Volume / Issue: 145 Sequence Number: - Start / End Page: - Identifier: -